ZyXEL Communications ZyAIR G-2000 Plus User Manual
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ZyXEL Communications ZyAIR G-2000 Plus User Manual

ZyXEL Communications ZyAIR G-2000 Plus User Manual

802.11g wireless 4-port router
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ZyAIR G-2000 Plus
802.11g Wireless 4-port Router
User's Guide
Version 3.60
4/2005

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Summary of Contents for ZyXEL Communications ZyAIR G-2000 Plus

  • Page 1 ZyAIR G-2000 Plus 802.11g Wireless 4-port Router User’s Guide Version 3.60 4/2005...

  • Page 3: Copyright

    ZyXEL Communications Corporation. Published by ZyXEL Communications Corporation. All rights reserved.

  • Page 4: Federal Communications Commission (Fcc) Interference Statement

    ZyAIR G-2000 Plus User’s Guide Federal Communications Commission (FCC) Interference This device complies with Part 15 of FCC rules. Operation is subject to the following two conditions: • This device may not cause harmful interference. • This device must accept any interference received, including interference that may cause undesired operations.

  • Page 5: Zyxel Limited Warranty

    3 Avoid using this product during an electrical storm. There may be a remote risk of electric shock from lightening. This product has been designed for the WLAN 2.4 GHz network throughout the EC region and Switzerland, with restrictions in France. ZyXEL Limited Warranty ZyAIR G-2000 Plus User’s Guide...

  • Page 6: Customer Support

    ZyAIR G-2000 Plus User’s Guide Please have the following information ready when you contact customer support. • Product model and serial number. • Warranty Information. • Date that you received your device. • Brief description of the problem and the steps you took to solve it.
  • Page 7 +34 913 005 345 +46 31 744 7700 www.zyxel.se +46 31 744 7701 www.zyxel.co.uk +44 (0) 8702 909091 ftp.zyxel.co.uk ZyAIR G-2000 Plus User’s Guide ZyXEL Communications Alejandro Villegas 33 1º, 28043 Madrid Spain ZyXEL Communications A/S Sjöporten 4, 41764 Göteborg...
  • Page 8 ZyAIR G-2000 Plus User’s Guide Customer Support...

  • Page 9: Table Of Contents

    1.2.2.11 Wireless LAN MAC Address Filtering ...39 1.2.2.12 WEP Encryption ...39 1.2.2.13 IEEE 802.1X Network Security ...39 1.2.2.14 Universal Plug and Play (UPnP) ...39 1.2.2.15 Dynamic DNS Support ...39 Table of Contents ZyAIR G-2000 Plus User’s Guide Table of Contents...
  • Page 10 ZyAIR G-2000 Plus User’s Guide 1.2.2.16 PPPoE Support (RFC2516) ...40 1.2.2.17 PPTP Encapsulation ...40 1.2.2.18 Network Address Translation (NAT) ...40 1.2.2.19 Traffic Redirect ...40 1.2.2.20 NAT for Single-IP-address Internet Access ...40 1.2.2.21 DHCP (Dynamic Host Configuration Protocol) ...40 1.2.2.22 Multicast ...41 1.2.2.23 IP Alias ...41...
  • Page 11 6.1.1 IBSS ...78 6.1.2 BSS ...78 6.1.3 ESS ...79 6.2 Wireless LAN Basics ...80 6.2.1 RTS/CTS ...80 6.2.2 Fragmentation Threshold ...81 6.3 Configuring Wireless ...82 6.4 Configuring Roaming ...84 6.4.1 Requirements for Roaming ...85 Table of Contents ZyAIR G-2000 Plus User’s Guide...
  • Page 12 ZyAIR G-2000 Plus User’s Guide Chapter 7 Wireless Security ... 88 7.1 Wireless Security Overview ...88 7.2 Security Parameters Summary ...90 7.3 WEP Overview ...90 7.3.1 Data Encryption ...90 7.3.1.1 Authentication ...90 7.4 Configuring WEP Encryption ...91 7.5 Introduction to WPA ...93 7.5.1 User Authentication ...93...
  • Page 13 11.2.1 Configuring Route Entry ...153 Chapter 12 Remote Management Screens ... 156 12.1 Remote Management Overview ...156 12.1.1 Remote Management Limitations ...156 12.1.2 Remote Management and NAT ...157 12.1.3 System Timeout ...157 12.2 Configuring WWW ...157 Table of Contents ZyAIR G-2000 Plus User’s Guide...
  • Page 14 ZyAIR G-2000 Plus User’s Guide 12.3 Configuring Telnet ...158 12.4 Configuring TELNET ...159 12.5 Configuring FTP ...160 12.6 SNMP ...161 12.6.1 Supported MIBs ...162 12.6.2 SNMP Traps ...162 12.6.3 Configuring SNMP ...163 12.7 Configuring DNS ...165 12.8 Configuring Security ...166 Chapter 13 UPnP...
  • Page 15 16.1 Introduction to Content Filtering ...210 16.2 Restrict Web Features ...210 16.3 Days and Times ...210 16.4 Configure Content Filtering ...210 Chapter 17 Certificates... 214 17.1 Certificates Overview ...214 17.1.1 Advantages of Certificates ...215 Table of Contents ZyAIR G-2000 Plus User’s Guide...
  • Page 16 ZyAIR G-2000 Plus User’s Guide 17.2 Self-signed Certificates ...215 17.3 Configuration Summary ...215 17.4 My Certificates ...215 17.5 Certificate File Formats ...218 17.6 Importing a Certificate ...218 17.7 Creating a Certificate ...219 17.8 My Certificate Details ...222 17.9 Trusted CAs ...225 17.10 Importing a Trusted CA’s Certificate ...227...
  • Page 17 25.2 Remote Node Profile Setup ...280 25.2.1 Ethernet Encapsulation ...280 25.2.2 PPPoE Encapsulation ...282 25.2.2.1 Outgoing Authentication Protocol ...283 25.2.2.2 Nailed-Up Connection ...283 25.2.3 PPTP Encapsulation ...284 25.3 Edit IP ...285 25.4 Remote Node Filter ...287 Table of Contents ZyAIR G-2000 Plus User’s Guide...
  • Page 18 ZyAIR G-2000 Plus User’s Guide Chapter 26 Static Route Setup ... 290 26.1 IP Static Route Setup ...290 Chapter 27 Dial-in User Setup ... 292 27.1 Dial-in User Setup ...292 Chapter 28 Network Address Translation (NAT) ... 294 28.1 Using NAT ...294 28.1.1 SUA (Single User Account) Versus NAT ...294...
  • Page 19 34.2 Backup Configuration ...351 34.2.1 Backup Configuration Using FTP ...351 34.2.2 Using the FTP command from the DOS Prompt ...352 34.2.3 GUI-based FTP Clients ...353 34.2.4 TFTP and FTP over WAN Management Limitations ...353 Table of Contents ZyAIR G-2000 Plus User’s Guide...
  • Page 20 ZyAIR G-2000 Plus User’s Guide 34.2.5 Backup Configuration Using TFTP ...354 34.2.6 Example: TFTP Command ...354 34.2.7 GUI-based TFTP Clients ...355 34.3 Restore Configuration ...355 34.3.1 Restore Using FTP ...355 34.3.2 Restore Using FTP Session Example ...356 34.4 Uploading Firmware and Configuration Files ...357 34.4.1 Firmware Upload ...357...
  • Page 21 ZyAIR G-2000 Plus User’s Guide Appendix D IP Address Assignment Conflicts ... 392 Appendix E IP Subnetting ... 396 Appendix F Command Interpreter... 404 Appendix G Log Descriptions... 406 Appendix H Wireless LAN and IEEE 802.11 ... 410 Appendix I Wireless LAN With IEEE 802.1x ...
  • Page 22 ZyAIR G-2000 Plus User’s Guide Table of Contents...
  • Page 23 ZyAIR G-2000 Plus User’s Guide List of Figures Figure 1 Internet Access Application Example ... 42 Figure 2 Change Password Screen ... 45 Figure 3 Replace Certificate Screen ... 45 Figure 4 The MAIN MENU Screen of the Web Configurator ... 47 Figure 5 Wizard 1 : General Setup ...
  • Page 24 ZyAIR G-2000 Plus User’s Guide Figure 37 Wireless: WPA ... 103 Figure 38 Wireless: 802.1x and Dynamic WEP ... 106 Figure 39 Wireless: 802.1x and Static WEP ... 108 Figure 40 Wireless: 802.1x ... 111 Figure 41 MAC Address Filter ... 113 Figure 42 ZyAIR Authenticates Wireless Stations ...
  • Page 25 Figure 116 Login Screen ... 253 Figure 117 Menu 23.1 System Security : Change Password ... 253 Figure 118 ZyAIR G-2000 Plus SMT Menu Overview Example ... 254 Figure 119 ZyAIR G-2000 Plus SMT Main Menu ... 256 Figure 120 Menu 23: System Security ... 257 Figure 121 Menu 23 System Password ...
  • Page 26 ZyAIR G-2000 Plus User’s Guide Figure 123 Menu 1.1 Configure Dynamic DNS ... 260 Figure 124 Menu 2 WAN Setup ... 262 Figure 125 Menu 3 LAN Setup ... 264 Figure 126 Menu 3.1 LAN Port Filter Setup..264 Figure 127 Menu 3.2 TCP/IP Setup ...
  • Page 27 ZyAIR G-2000 Plus User’s Guide Figure 166 Example 4: Menu 15.1.1 Address Mapping Rules ... 310 Figure 167 Menu 15.3 Trigger Port Setup ... 311 Figure 168 Outgoing Packet Filtering Process ... 312 Figure 169 Filter Rule Process ... 314 Figure 170 Menu 21: Filter and Firewall Setup ...
  • Page 28 ZyAIR G-2000 Plus User’s Guide Figure 209 Budget Management ... 364 Figure 210 Menu 24.9.2 - Call History ... 365 Figure 211 Menu 24.10 System Maintenance : Time and Date Setting ... 366 Figure 212 Menu 24.11 – Remote Management Control ... 369 Figure 213 Telnet Configuration on a TCP/IP Network ...
  • Page 29 ZyAIR G-2000 Plus User’s Guide List of Tables Table 1 IEEE 802.11b ... 37 Table 2 IEEE 802.11g ... 38 Table 3 Wizard 1 : General Setup ... 50 Table 4 Wizard 2 : Wireless LAN Setup ... 51 Table 5 Wizard 3: Wireless LAN Setup: Basic Security ... 52 Table 6 Wizard 3: Wireless LAN Setup: Extend Security ...
  • Page 30 ZyAIR G-2000 Plus User’s Guide Table 37 Ethernet Encapsulation ... 126 Table 38 PPPoE Encapsulation ... 128 Table 39 PPTP Encapsulation ... 130 Table 40 WAN: IP ... 132 Table 41 NAT Definitions ... 136 Table 42 NAT Mapping Types ... 140 Table 43 Services and Port Numbers ...
  • Page 31 ZyAIR G-2000 Plus User’s Guide Table 80 Firmware Upload ... 245 Table 81 Restore Configuration ... 248 Table 82 Main Menu Commands ... 254 Table 83 Main Menu Summary ... 256 Table 84 Menu 1 General Setup ... 259 Table 85 Menu 1.1 Configure Dynamic DNS ... 260 Table 86 Menu 2 WAN Setup ...
  • Page 32 ZyAIR G-2000 Plus User’s Guide Table 123 Call History Fields ... 365 Table 124 System Maintenance : Time and Date Setting ... 366 Table 125 Menu 24.11 – Remote Management Control ... 369 Table 126 Menu 26.1 Schedule Set Setup ... 373 Table 127 Troubleshooting the Start-Up of Your ZyAIR ...

  • Page 33: Preface

    Congratulations on your purchase of the ZyAIR G-2000 Plus - 802.11g Wireless 4 port Router. A wireless router is an access point and router rolled into one. It is a cost-effect solution to share Internet access with multiple computers and expand your wired network.

  • Page 34: User Guide Feedback

    • For brevity’s sake, we will use “e.g.,” as a shorthand for “for instance”, and “i.e.,” for “that is” or “in other words” throughout this manual. • The ZyAIR G-2000 Plus may be referred to simply as the ZyAIR in the user’s guide. Preface...
  • Page 35 Graphics Icons Key ZyAIR Server Modem Wireless Signal Preface ZyAIR G-2000 Plus User’s Guide Computer Notebook computer DSLAM Firewall Switch Router...
  • Page 36 ZyAIR G-2000 Plus User’s Guide Preface...

  • Page 37: Getting To Know Your Zyair

    This chapter introduces the main features and applications of the ZyAIR. 1.1 Introducing the ZyAIR The ZyAIR G-2000 Plus, an IEEE802.11g compliant broadband wireless sharing gateway, provides wireless connectivity. As an Internet gateway, your ZyAIR can share an Internet connection (through a cable or xDSL modem) with multiple computers using SUA/NAT and DHCP.

  • Page 38: 10/100 Mbps Ethernet Wan

    ZyAIR G-2000 Plus User’s Guide 1.2.1.4 10/100 Mbps Ethernet WAN The 10/100 Mbps Ethernet WAN port attaches to the Internet via broadband modem or router. 1.2.1.5 Reset Button The ZyAIR reset button is built into the side panel. Use this button to restore the factory default password to 1234;...

  • Page 39: Wireless Lan Standard

    MODULATION OFDM (Orthogonal Frequency Division Multiplexing) Note: The ZyAIR may be prone to RF (Radio Frequency) interference from other 2.4 GHz devices such as microwave ovens, wireless phones, Bluetooth enabled devices, and other wireless LANs. ZyAIR G-2000 Plus User’s Guide...

  • Page 40: Firewall

    ZyAIR G-2000 Plus User’s Guide 1.2.2.9 Firewall The ZyAIR employs a stateful inspection firewall with DoS (Denial of Service) protection. By default, when the firewall is activated, all incoming traffic from the WAN to the LAN is blocked unless it is initiated from the LAN. The ZyAIR firewall supports TCP/UDP inspection, DoS detection and prevention, real time alerts, reports and logs.

  • Page 41: Pppoe Support (Rfc2516)

    DNS servers to DHCP clients. The ZyAIR also acts as a surrogate DHCP server (DHCP Relay) where it relays IP address assignment from the actual real DHCP server to the clients. Chapter 1 Getting to Know Your ZyAIR ZyAIR G-2000 Plus User’s Guide...

  • Page 42: Multicast

    ZyAIR G-2000 Plus User’s Guide 1.2.2.22 Multicast Traditionally, IP packets are transmitted in two ways - unicast or broadcast. Multicast is a third way to deliver IP packets to a group of hosts. IGMP (Internet Group Management Protocol) is the protocol used to support multicast groups. The latest version is version 2 (see RFC 2236).

  • Page 43: Embedded Ftp And Tftp Servers

    Add a wireless LAN to your existing network without expensive network cables. Wireless stations can move freely anywhere in the coverage area and use resources on the wired network. . Figure 1 Internet Access Application Example Chapter 1 Getting to Know Your ZyAIR ZyAIR G-2000 Plus User’s Guide...
  • Page 44 ZyAIR G-2000 Plus User’s Guide Chapter 1 Getting to Know Your ZyAIR...

  • Page 45: Introducing The Web Configurator

    Type a new password (and retype it to confirm) and click Apply or click Ignore. Chapter 2 Introducing the Web Configurator H A P T E R Introducing the Web Configurator Note: If you do not change the password, the following screen appears every time you login. ZyAIR G-2000 Plus User’s Guide...

  • Page 46: Figure 2 Change Password Screen

    ZyAIR G-2000 Plus User’s Guide Figure 2 Change Password Screen 6 Click Apply in the Replace Certificate screen to create a certificate using your ZyAIR’s MAC address that will be specific to this device. Figure 3 Replace Certificate Screen You should now see the MAIN MENU screen..

  • Page 47: Resetting The Zyair

    MAIN MENU screen. Chapter 2 Introducing the Web Configurator Note: Follow the instructions you see in the MAIN MENU screen or click the icon (located in the top right corner of most screens) to view online help. ZyAIR G-2000 Plus User’s Guide...

  • Page 48: Figure 4 The Main Menu Screen Of The Web Configurator

    ZyAIR G-2000 Plus User’s Guide Figure 4 The MAIN MENU Screen of the Web Configurator Use submenus to configure ZyAIR features. Click WIZARD SETUP for initial configuration including general setup, wireless LAN setup, ISP Parameters for Internet Access and WAN IP/DNS/MAC Address Assignment.

  • Page 49: Chapter 3 Wizard Setup

    Both the wireless stations and the access points must use the same WEP key for data encryption and decryption. Chapter 3 Wizard Setup ZyAIR G-2000 Plus User’s Guide H A P T E R Wizard Setup...

  • Page 50: Wpa-Psk

    ZyAIR G-2000 Plus User’s Guide 3.1.4 WPA-PSK Wi-Fi Protected Access (WPA) is a subset of the IEEE 802.11i security specification draft. Key differences between WPA and WEP are user authentication and improved data encryption.The encryption mechanisms used for WPA and WPA-PSK are the same. The only difference between the two is that WPA-PSK uses a simple common password, instead of user-specific credentials.

  • Page 51: Wizard Setup: Wireless Lan

    "-" and underscores "_" are accepted. This is not a required field. Leave this field blank or enter the domain name here if you know it. Click Next to proceed to the next screen. ZyAIR G-2000 Plus User’s Guide...

  • Page 52: Wizard Setup: Screen 3

    ZyAIR G-2000 Plus User’s Guide Figure 6 Wizard 2 : Wireless LAN Setup The following table describes the labels in this screen. Table 4 Wizard 2 : Wireless LAN Setup LABEL Wireless LAN Setup ESSID Choose Channel ID Security Back Next 3.4 Wizard Setup: Screen 3...

  • Page 53: Figure 7 Wizard 3: Wireless Lan Setup: Basic Security

    Click Back to display the previous screen. Next Click Next to proceed to the next screen. Choose Extend (WPA-PSK) security in the Wireless LAN Setup screen to set up a Pre- Shared Key. Chapter 3 Wizard Setup ZyAIR G-2000 Plus User’s Guide...

  • Page 54: Wizard Setup: Screen 4

    ZyAIR G-2000 Plus User’s Guide Figure 8 Wizard 3: Wireless LAN Setup: Extend Security The following table describes the labels in this screen. Table 6 Wizard 3: Wireless LAN Setup: Extend Security LABEL DESCRIPTION Pre-Shared Type from 8 to 63 case-sensitive ASCII characters. You can set up the most secure wireless connection by configuring WPA in the advanced wireless screen.

  • Page 55: Figure 9 Wizard 4: Ethernet Encapsulation

    Telia server logs the ZyAIR out if the ZyAIR does not log in periodically. Type the number of minutes from 1 to 59 (30 default) for the ZyAIR to wait between logins. Back Click Back to return to the previous screen. Next Click Next to continue. Chapter 3 Wizard Setup ZyAIR G-2000 Plus User’s Guide...

  • Page 56: Pppoe Encapsulation

    ZyAIR G-2000 Plus User’s Guide 3.5.2 PPPoE Encapsulation Point-to-Point Protocol over Ethernet (PPPoE) functions as a dial-up connection. PPPoE is an IETF (Internet Engineering Task Force) draft standard specifying how a host personal computer interacts with a broadband modem (for example DSL, cable, wireless, etc.) to achieve access to high-speed data networks.

  • Page 57: Pptp Encapsulation

    Point-to-Point Tunneling Protocol (PPTP) is a network protocol that enables transfers of data from a remote client to a private server, creating a Virtual Private Network (VPN) using TCP/ IP-based networks. Chapter 3 Wizard Setup ZyAIR G-2000 Plus User’s Guide...

  • Page 58: Figure 11 Wizard 4: Pptp Encapsulation

    ZyAIR G-2000 Plus User’s Guide PPTP supports on-demand, multi-protocol, and virtual private networking over public networks, such as the Internet. Refer to the appendix for more information on PPTP. Figure 11 Wizard 4: PPTP Encapsulation The following table describes the fields in this screen...

  • Page 59: Wizard Setup: Screen 5

    Note: Regardless of your particular situation, do not create an arbitrary IP address; always follow the guidelines above. For more information on address assignment, please refer to RFC 1597, Address Allocation for Private Internets and RFC 1466, Guidelines for Management of IP Address Space. ZyAIR G-2000 Plus User’s Guide...

  • Page 60: Ip Address And Subnet Mask

    ZyAIR G-2000 Plus User’s Guide 3.6.2 IP Address and Subnet Mask Similar to the way houses on a street share a common street name, so too do computers on a LAN share one common network number. Where you obtain your network number depends on your particular situation. If the ISP or your network administrator assigns you a block of registered IP addresses, follow their instructions in selecting the IP addresses and the subnet mask.

  • Page 61: Table 11 Example Of Network Properties For Lan Servers With Fixed Ip Addresses

    Chapter 3 Wizard Setup Note: ZyXEL recommends you clone the MAC address from a computer on your LAN even if your ISP does not require MAC address authentication. 192.168.1.2-192.168.1.32; 192.168.1.65-192.168.1.254. 255.255.255.0 192.168.1.1(ZyAIR LAN IP) ZyAIR G-2000 Plus User’s Guide...

  • Page 62: Figure 12 Wizard 5: Wan Setup

    ZyAIR G-2000 Plus User’s Guide Figure 12 Wizard 5: WAN Setup The following table describes the labels in this screen Table 12 Wizard 5: WAN Setup LABEL WAN IP Address Assignment Get automatically from Use fixed IP address My WAN IP Address...

  • Page 63: Basic Setup Complete

    MAC address from a computer on your LAN even if your ISP does not presently require MAC address authentication. Click Back to return to the previous screen. Click Next to continue. ZyAIR G-2000 Plus User’s Guide...

  • Page 64: Figure 13 Wizard Finish

    ZyAIR G-2000 Plus User’s Guide Figure 13 Wizard Finish Well done! You have successfully set up the ZyAIR. A congratulations screen displays some information. Chapter 3 Wizard Setup...

  • Page 65: Chapter 4 System Screens

    This name can be up to 30 alphanumeric characters long. Spaces are not allowed, but dashes "-" and underscores "_" are accepted. This is not a required field. Leave this field blank or enter the domain name here if you know it. ZyAIR G-2000 Plus User’s Guide...

  • Page 66: Dynamic Dns

    ZyAIR G-2000 Plus User’s Guide Table 13 System General Setup LABEL Administrator Inactivity Timer System DNS Servers First DNS Server Second DNS Server Third DNS Server Apply Reset 4.3 Dynamic DNS Dynamic DNS allows you to update your current dynamic IP address with one or many dynamic DNS services so that anyone can contact you (in NetMeeting, CU-SeeMe, etc.).

  • Page 67: Configuring Dynamic Dns

    This option is available when CustomDNS is selected in the DDNS Type field. Check with your Dynamic DNS service provider to have traffic redirected to a URL (that you can specify) while you are off line. ZyAIR G-2000 Plus User’s Guide...

  • Page 68: Configuring Password

    ZyAIR G-2000 Plus User’s Guide Table 14 DDNS LABEL Use WAN IP address DDNS server auto detect IP Address Use specified IP Address IP Address Apply Reset 4.5 Configuring Password To change your ZyAIR’s password (recommended), click the SYSTEM link under ADVANCED and then the Password tab.

  • Page 69: Configuring Time Setting

    Enter the IP address or the URL of your time server. Check with your ISP/ network administrator if you are unsure of this information. This field displays the time of your ZyAIR. Each time you reload this page, the ZyAIR synchronizes the time with the time server. ZyAIR G-2000 Plus User’s Guide...
  • Page 70 ZyAIR G-2000 Plus User’s Guide Table 16 Time Setting LABEL New Time (hh:mm:ss) This field displays the last updated time from the time server. Current Date (yyyy/ mm/dd) New Date (yyyy/mm/ Time Zone Daylight Savings Start Date (mm-dd) End Date (mm-dd)

  • Page 71: Chapter 5 Lan Screens

    DHCP client capability. 5.3.1 Factory LAN Defaults The LAN parameters of the ZyAIR are preset in the factory with the following values: Chapter 5 LAN Screens ZyAIR G-2000 Plus User’s Guide H A P T E R LAN Screens...

  • Page 72: Ip Address And Subnet Mask

    ZyAIR G-2000 Plus User’s Guide • IP address of 192.168.1.1 with subnet mask of 255.255.255.0 (24 bits) • DHCP server enabled with 32 client IP addresses starting from 192.168.1.33. These parameters should work for the majority of installations. If your ISP gives you explicit DNS server address(es), read the embedded web configurator help regarding what fields need to be configured.

  • Page 73: Configuring Ip

    ZyAIR LAN and/or WAN interfaces in the web configurator (LAN; WAN). Select None to disable IP multicasting on these interfaces. 5.4 Configuring IP Click LAN to open the IP screen. Chapter 5 LAN Screens ZyAIR G-2000 Plus User’s Guide...

  • Page 74: Figure 18 Lan Ip

    ZyAIR G-2000 Plus User’s Guide Figure 18 LAN IP The following table describes the labels in this screen. Table 17 LAN IP LABEL DESCRIPTION DHCP Server DHCP (Dynamic Host Configuration Protocol, RFC 2131 and RFC 2132) allows individual clients (computers) to obtain TCP/IP configuration at startup from a server.
  • Page 75 PPPoE or PPTP, NetBIOS packets cause unwanted calls. However it may sometimes be necessary to allow NetBIOS packets to pass through to the WAN in order to find a computer on the WAN. Chapter 5 LAN Screens ZyAIR G-2000 Plus User’s Guide...

  • Page 76: Configuring Static Dhcp

    ZyAIR G-2000 Plus User’s Guide Table 17 LAN IP LABEL DESCRIPTION Allow between LAN Select this check box to forward NetBIOS packets from the LAN to the WAN and and WAN from the WAN to the LAN. If your firewall is enabled with the default policy set to block WAN to LAN traffic, you also need to enable the default WAN to LAN firewall rule that forwards NetBIOS traffic.

  • Page 77: Configuring Ip Alias

    Ethernet interface with the ZyAIR itself as the gateway for each LAN network. To change your ZyAIR’s IP Alias settings, click LAN, then the IP Alias tab. The screen appears as shown. Chapter 5 LAN Screens ZyAIR G-2000 Plus User’s Guide...

  • Page 78: Figure 20 Ip Alias

    ZyAIR G-2000 Plus User’s Guide Figure 20 IP Alias The following table describes the labels in this screen. Table 19 IP Alias LABEL DESCRIPTION IP Alias 1,2 Select the check box to configure another LAN network for the ZyAIR. IP Address Enter the IP address of your ZyAIR in dotted decimal notation.

  • Page 79: Wireless Configuration And Roaming

    A Basic Service Set (BSS) exists when all communications between wireless stations or between a wireless station and a wired network client go through one access point (AP). Chapter 6 Wireless Configuration and Roaming ZyAIR G-2000 Plus User’s Guide H A P T E R Roaming...

  • Page 80: Ess

    ZyAIR G-2000 Plus User’s Guide Intra-BSS traffic is traffic between wireless stations in the BSS. When Intra-BSS is enabled, wireless station A and B can access the wired network and communicate with each other. When Intra-BSS is disabled, wireless station A and B can still access the wired network but cannot communicate with each other.

  • Page 81: Wireless Lan Basics

    (AP) or wireless gateway, but out-of-range of each other, so they cannot “hear” each other, that is they do not know if the channel is currently being used. Therefore, they are considered hidden from each other. Chapter 6 Wireless Configuration and Roaming ZyAIR G-2000 Plus User’s Guide...

  • Page 82: Fragmentation Threshold

    ZyAIR G-2000 Plus User’s Guide Figure 24 RTS/CTS When station A sends data to the ZyAIR, it might not know that station B is already using the channel. If these two stations send data at the same time, collisions may occur when both sets of data arrive at the AP at the same time, resulting in a loss of messages for both stations.

  • Page 83: Configuring Wireless

    LAN and you change the ZyAIR’s ESSID or WEP settings, you will lose your wireless connection when you press Apply to confirm. You must then change the wireless settings of your computer to match the ZyAIR’s new settings. ZyAIR G-2000 Plus User’s Guide...

  • Page 84: Figure 25 Wireless

    ZyAIR G-2000 Plus User’s Guide Figure 25 Wireless The following table describes the general wireless LAN labels in this screen. Table 20 Wireless LABEL DESCRIPTION Enable Click the check box to activate wireless LAN. Wireless LAN ESSID (Extended Service Set IDentity) The ESSID identifies the Service Set with which a wireless station is associated.

  • Page 85: Configuring Roaming

    Figure 26 Roaming Example The steps below describe the roaming process. Chapter 6 Wireless Configuration and Roaming ZyAIR G-2000 Plus User’s Guide see Figure...

  • Page 86: Requirements For Roaming

    ZyAIR G-2000 Plus User’s Guide 1 As wireless station Y moves from the coverage area of access point P1 to that of access point 2 P2, it scans and uses the signal of access point P2. 3 Access point P2 acknowledges the presence of wireless station Y and relays this information to access point P1 through the wired LAN.

  • Page 87: Figure 27 Roaming

    APs. The default is 3517. Make sure this port is not used by other services. Apply Click Apply to save your changes back to the ZyAIR. Reset Click Reset to reload the previous configuration for this screen. Chapter 6 Wireless Configuration and Roaming ZyAIR G-2000 Plus User’s Guide...
  • Page 88 ZyAIR G-2000 Plus User’s Guide Chapter 6 Wireless Configuration and Roaming...

  • Page 89: Chapter 7 Wireless Security

    Select No Security to allow wireless stations to communicate with the access points without any data encryption. Chapter 7 Wireless Security ZyAIR G-2000 Plus User’s Guide H A P T E R Wireless Security...

  • Page 90: Figure 29 Wireless: No Security

    ZyAIR G-2000 Plus User’s Guide Figure 29 Wireless: No Security The following table describes the labels in this screen. Table 22 Wireless No Security LABEL DESCRIPTION Security Choose from one of the security features listed in the drop-down box. •...

  • Page 91: Security Parameters Summary

    Three different methods can be used to authenticate wireless stations to the network: Open System, Shared Key, and Auto. The following figure illustrates the steps involved. Chapter 7 Wireless Security ZyAIR G-2000 Plus User’s Guide ENTER ENCRYPTION MANUAL KEY IEEE 802.1X...

  • Page 92: Configuring Wep Encryption

    ZyAIR G-2000 Plus User’s Guide Figure 30 WEP Authentication Steps Open system authentication involves an unencrypted two-message procedure. A wireless station sends an open system authentication request to the AP, which will then automatically accept and connect the wireless station to the network. In effect, open system is not authentication at all as any station can gain access to the network.

  • Page 93: Figure 31 Wireless: Static Wep Encryption

    Select this option in order to enter ASCII characters as the WEP keys. Select this option in order to enter hexadecimal characters as the WEP keys. The preceding "0x", that identifies a hexadecimal key, is entered automatically. Chapter 7 Wireless Security ZyAIR G-2000 Plus User’s Guide...

  • Page 94: Introduction To Wpa

    ZyAIR G-2000 Plus User’s Guide Table 24 Wireless: Static WEP Encryption LABEL DESCRIPTION Key 1 to Key 4 The WEP keys are used to encrypt data. Both the ZyAIR and the wireless stations must use the same WEP key for data transmission.

  • Page 95: Encryption

    3 The AP derives and distributes keys to the wireless clients. 4 The AP and wireless clients use the TKIP encryption process to encrypt data exchanged between them. Chapter 7 Wireless Security ZyAIR G-2000 Plus User’s Guide...

  • Page 96: Configuring Wpa-Psk Authentication

    ZyAIR G-2000 Plus User’s Guide Figure 32 WPA - PSK Authentication 7.6 Configuring WPA-PSK Authentication In order to configure and enable WPA-PSK Authentication; click the WIRELESS link under ADVANCED to display the Wireless screen. Select WPA-PSK from the Security list.

  • Page 97: Figure 33 Wireless: Wpa-Psk

    WEP key for an AP and all stations in a WLAN on a periodic basis. Setting of the WPA Group Key Update Timer is also supported in WPA-PSK mode. The ZyAIR default is 1800 seconds (30 minutes). Chapter 7 Wireless Security ZyAIR G-2000 Plus User’s Guide...

  • Page 98: Wireless Client Wpa Supplicants

    ZyAIR G-2000 Plus User’s Guide Table 25 Wireless: WPA-PSK LABEL DESCRIPTION Enable Breathing Select this check box to enable the Breathing LED, also known as the ZyAIR LED. The blue ZyAIR LED is on when the ZyAIR is on and blinks (or breaths) when data is being transmitted to/from its wireless stations.

  • Page 99: Configuring Wpa Authentication

    Figure 34 WPA with RADIUS Application Example 7.8 Configuring WPA Authentication In order to configure and enable WPA Authentication; click the WIRELESS link under ADVANCED to display the Wireless screen. Select WPA from the Security list. Chapter 7 Wireless Security ZyAIR G-2000 Plus User’s Guide...

  • Page 100: Figure 35 Wireless: Wpa

    ZyAIR G-2000 Plus User’s Guide Figure 35 Wireless: WPA The following table describes the labels in this screen. Table 26 Wireless: WPA LABEL DESCRIPTION ReAuthentication Specify how often wireless stations have to reenter usernames and passwords in Timer (in seconds) order to stay connected.

  • Page 101: Introduction To Radius

    7.9.1.1 Access-Challenge Sent by a RADIUS server requesting more information in order to allow access. The access point sends a proper response from the user and then sends another Access-Request message. Chapter 7 Wireless Security ZyAIR G-2000 Plus User’s Guide...

  • Page 102: Accounting-Request

    ZyAIR G-2000 Plus User’s Guide The following types of RADIUS messages are exchanged between the access point and the RADIUS server for user accounting: 7.9.1.2 Accounting-Request Sent by the access point requesting accounting. 7.9.1.3 Accounting-Response Sent by the RADIUS server to indicate that it has started or stopped accounting.

  • Page 103: Configuring Radius

    To specify a RADIUS server, click the WIRELESS link under ADVANCED and then choose Internal RADIUS Server or External RADIUS Server in the Wireless configuration screen. The screen appears as shown.See RADIUS. Chapter 7 Wireless Security ZyAIR G-2000 Plus User’s Guide Chapter 8, “Internal RADIUS Server" for more details on...

  • Page 104: Figure 37 Wireless: Wpa

    ZyAIR G-2000 Plus User’s Guide Figure 37 Wireless: WPA The following table describes the labels in this screen. Table 27 RADIUS LABEL Internal RADIUS Server External RADIUS Server Authentication Server Server IP Address Enter the IP address of the external authentication server in dotted decimal Port Number Enter the port number of the external authentication server.

  • Page 105: Overview

    The key must be the same on the external accounting server and your ZyAIR. The key is not sent over the network. Click Apply to save your changes back to the ZyAIR. Click Reset to reload the previous configuration for this screen. ZyAIR G-2000 Plus User’s Guide...

  • Page 106: Configuring 802.1X And Dynamic Wep Key Exchange

    ZyAIR G-2000 Plus User’s Guide • EAP-TLS • EAP-TTLS • PEAP 7.13 Configuring 802.1x and Dynamic WEP Key Exchange In order to configure and enable 802.1x and Dynamic WEP Key Exchange; click the WIRELESS link under ADVANCED to display the Wireless screen. Select 802.1x + Dynamic WEP from the Security list.

  • Page 107: Figure 38 Wireless: 802.1X And Dynamic Wep

    Select 64-bit WEP or 128-bit WEP to enable data encryption. Up to 32 stations Exchange can access the ZyAIR when you configure dynamic WEP key exchange.This field is not available when you set Security to WPA or WPA-PSK. Chapter 7 Wireless Security ZyAIR G-2000 Plus User’s Guide...

  • Page 108: Configuring 802.1X And Static Wep Key Exchange

    ZyAIR G-2000 Plus User’s Guide Table 28 Wireless: 802.1x and Dynamic WEP LABEL DESCRIPTION Apply Click Apply to save your changes back to the ZyAIR. Reset Click Reset to reload the previous configuration for this screen. 7.14 Configuring 802.1x and Static WEP Key Exchange In order to configure and enable 802.1x and Static WEP Key Exchange;...

  • Page 109: Figure 39 Wireless: 802.1X And Static Wep

    Passphrase Enter a Passphrase (up to 32 printable characters) and click Generate. The ZyAIR automatically generates a WEP key. WEP Encryption Select 64-bit WEP or 128-bit WEP to enable data encryption. Chapter 7 Wireless Security ZyAIR G-2000 Plus User’s Guide...
  • Page 110 ZyAIR G-2000 Plus User’s Guide Table 29 Wireless: 802.1x and Static WEP LABEL Authentication Method ASCII Key 1 to Key 4 ReAuthentication Timer (in seconds) Idle Timeout Authentication Databases Apply Reset DESCRIPTION This field is activated when you select 64-bit WEP or 128-bit WEP in the WEP Encryption field.

  • Page 111: Configuring 802.1X

    7.15 Configuring 802.1x In order to configure and enable 802.1x; click the WIRELESS link under ADVANCED to display the Wireless screen. Select 802.1x + No WEP from the Security list. Chapter 7 Wireless Security ZyAIR G-2000 Plus User’s Guide...

  • Page 112: Figure 40 Wireless: 802.1X

    ZyAIR G-2000 Plus User’s Guide Figure 40 Wireless: 802.1x The following table describes the labels in this screen. Table 30 Wireless: 802.1x and No WEP LABEL ReAuthentication Timer (in seconds) Idle Timeout DESCRIPTION Specify how often wireless stations have to reenter usernames and passwords in order to stay connected.

  • Page 113: Mac Filter

    00:A0:C5:00:00:02. You need to know the MAC address of the devices to configure this screen. To change your ZyAIR’s MAC filter settings, click the WIRELESS link under ADVANCED and then the MAC Filter tab. The screen appears as shown. Chapter 7 Wireless Security ZyAIR G-2000 Plus User’s Guide...

  • Page 114: Figure 41 Mac Address Filter

    ZyAIR G-2000 Plus User’s Guide Figure 41 MAC Address Filter The following table describes the labels in this menu. Table 31 MAC Address Filter LABEL DESCRIPTION Active Select Yes from the drop down list box to enable MAC address filtering.

  • Page 115: Internal Radius Server

    TLS connection. See the Appendix for more information on the types of EAP authentication and the internal RADIUS authentication method used in your ZyAIR. Chapter 8 Internal RADIUS Server ZyAIR G-2000 Plus User’s Guide H A P T E R...

  • Page 116: Figure 42 Zyair Authenticates Wireless Stations

    ZyAIR G-2000 Plus User’s Guide Figure 42 ZyAIR Authenticates Wireless Stations Figure 43 ZyAIR Authenicates other AP’s Table 32 Internal RADIUS Server LABEL Setting Trusted AP Trusted Users DESCRIPTION Use the Setting screen to display information about the ZyAIR’s certificate and to activate the internal RADIUS server on your ZyAIR.

  • Page 117: Internal Radius Server Setting

    Use Windows logon name and password checkbox. When authentication begins, a pop-up dialog box requests you to type a Name, Password and Domain of the RADIUS server. Specify a Name and Password only, do not specify a domain. ZyAIR G-2000 Plus User’s Guide Windows...

  • Page 118: Figure 44 Internal Radius Server Setting Screen

    ZyAIR G-2000 Plus User’s Guide Figure 44 Internal RADIUS Server Setting Screen The following table describes the labels in this screen. Table 33 My Certificates LABEL DESCRIPTION Active Select the Active checkbox to have the ZyAIR use its internal RADIUS server to authenticate wireless clients or other AP’s.

  • Page 119: Trusted Ap Overview

    1 Configure an IP address and shared secret in the Trusted AP database to authenticate an AP as a trusted AP. Chapter 8 Internal RADIUS Server ZyAIR G-2000 Plus User’s Guide Trusted AP’s Wireless clients. You can authenticate a maximum of 32 wireless clients using the ZyAIR’s RADIUS server,...

  • Page 120: Configuring Trusted Ap

    ZyAIR G-2000 Plus User’s Guide 2 Configure wireless client user names and passwords in the Trusted Users database to use a trusted AP as a relay between the RADIUS server and the wireless clients. The wireless clients can then be authenticated by the RADIUS server.

  • Page 121: Trusted Users Overview

    A trusted user is a wireless client within the ZyAIR’s wireless network. 8.6 Configuring Trusted Users To change your ZyAIR’s trusted users, click the AUTH SERVER link under ADVANCED and then the Trusted Users tab. The screen appears as shown. Chapter 8 Internal RADIUS Server ZyAIR G-2000 Plus User’s Guide...

  • Page 122: Figure 47 Trusted Users Screen

    ZyAIR G-2000 Plus User’s Guide Figure 47 Trusted Users Screen The following table describes the labels in this screen. Table 35 Trusted Users LABEL DESCRIPTION This field displays the trusted user index number. Active Select this checkbox to have the ZyAIR authenticate wireless clients with the same user name and password activated on thier wireless utility.
  • Page 123 Table 35 Trusted Users LABEL DESCRIPTION Apply Click Apply to save your changes back to the ZyAIR. Reset Click Reset to begin configuring this screen afresh. Chapter 8 Internal RADIUS Server ZyAIR G-2000 Plus User’s Guide...
  • Page 124 ZyAIR G-2000 Plus User’s Guide Chapter 8 Internal RADIUS Server...

  • Page 125: Chapter 9 Wan

    To change your ZyAIR’s WAN ISP settings, click WAN, then the WAN ISP tab. The screen differs by the encapsulation. 9.2.1 Ethernet Encapsulation The screen shown next is for Ethernet encapsulation. Chapter 9 WAN ZyAIR G-2000 Plus User’s Guide H A P T E R...

  • Page 126: Service Type

    ZyAIR G-2000 Plus User’s Guide Figure 48 Ethernet Encapsulation The following table describes the labels in this screen. Table 36 Ethernet Encapsulation LABEL DESCRIPTION Encapsulation You must choose the Ethernet option when the WAN port is used as a regular Ethernet.

  • Page 127: Pppoe Encapsulation

    (RFC 2516) specifying how a personal computer (PC) interacts with a broadband modem (DSL, cable, wireless, etc.) connection. The PPP over Ethernet option is for a dial- up connection using PPPoE. Chapter 9 WAN ZyAIR G-2000 Plus User’s Guide...
  • Page 128 ZyAIR G-2000 Plus User’s Guide For the service provider, PPPoE offers an access and authentication method that works with existing access control systems (for example Radius). PPPoE provides a login and authentication method that the existing Microsoft Dial-Up Networking software can activate, and therefore requires no new learning or procedures for Windows users.

  • Page 129: Figure 50 Pppoe Encapsulation

    This value specifies the time in seconds that elapses before the router automatically disconnects from the PPPoE server. Apply Click Apply to save your changes back to the ZyAIR. Reset Click Reset to begin configuring this screen afresh. Chapter 9 WAN ZyAIR G-2000 Plus User’s Guide...

  • Page 130: Pptp Encapsulation

    ZyAIR G-2000 Plus User’s Guide 9.2.3 PPTP Encapsulation Point-to-Point Tunneling Protocol (PPTP) is a network protocol that enables secure transfer of data from a remote client to a private server, creating a Virtual Private Network (VPN) using TCP/IP-based networks. PPTP supports on-demand, multi-protocol and virtual private networking over public networks, such as the Internet.

  • Page 131: Figure 51 Pptp Encapsulation

    Type your password again to make sure that you have entered is correctly. Select Nailed-Up Connection if you do not want the connection to time out. This value specifies the time in seconds that elapses before the ZyAIR automatically disconnects from the PPTP server. ZyAIR G-2000 Plus User’s Guide...

  • Page 132: Tcp/Ip Priority (Metric)

    ZyAIR G-2000 Plus User’s Guide Table 39 PPTP Encapsulation LABEL PPTP Configuration My IP Address My IP Subnet Mask Server IP Address Connection ID/Name Apply Reset 9.3 TCP/IP Priority (Metric) The metric represents the "cost of transmission". A router determines the best route for transmission by choosing a path with the lowest "cost".

  • Page 133: Figure 52 Wan: Ip

    Enter the Remote IP Address (if your ISP gave you one) in this field. Enter the gateway IP address (if your ISP gave you one) in this field if you selected Use Fixed IP Address. ZyAIR G-2000 Plus User’s Guide...
  • Page 134 ZyAIR G-2000 Plus User’s Guide Table 40 WAN: IP LABEL Network Address Translation Metric (PPPoE and PPTP only) Max NAT/Firewall Session Per User Private (PPPoE and PPTP only) RIP Direction RIP Version DESCRIPTION Network Address Translation (NAT) allows the translation of an Internet...

  • Page 135: Configuring Wan Mac

    WAN and from the WAN to the LAN. Select this option to allow NetBIOS packets to initiate calls. Click Apply to save your changes back to the ZyAIR. Click Reset to begin configuring this screen afresh. ZyAIR G-2000 Plus User’s Guide...
  • Page 136 ZyAIR G-2000 Plus User’s Guide Otherwise, click Spoof this computer's MAC address - IP Address and enter the IP address of the computer on the LAN whose MAC you are cloning. Once it is successfully configured, the address will be copied to the rom file (ZyNOS configuration file). It will not change unless you change the setting or upload a different ROM file.

  • Page 137: Single User Account (Sua) / Network Address Translation (Nat)

    Global This refers to the packet address (source or destination) as the packet travels on the WAN. Chapter 10 Single User Account (SUA) / Network Address Translation (NAT) ZyAIR G-2000 Plus User’s Guide H A P T E R (NAT)

  • Page 138: What Nat Does

    ZyAIR G-2000 Plus User’s Guide 10.1.2 What NAT Does In the simplest form, NAT changes the source IP address in a packet received from a subscriber (the inside local address) to another (the inside global address) before forwarding the packet to the WAN side. When the response comes back, NAT translates the destination address (the inside global address) back to the inside local address before forwarding it to the original inside host.

  • Page 139: Nat Application

    The following figure illustrates a possible NAT application, where three inside LANs (logical LANs using IP Alias) behind the ZyAIR can communicate with three distinct WAN networks. More examples follow at the end of this chapter. Chapter 10 Single User Account (SUA) / Network Address Translation (NAT) ZyAIR G-2000 Plus User’s Guide...

  • Page 140: Nat Mapping Types

    ZyAIR G-2000 Plus User’s Guide Figure 55 NAT Application With IP Alias 10.1.5 NAT Mapping Types NAT supports five types of IP/port mapping. They are: • One to One: In One-to-One mode, the ZyAIR maps one local IP address to one global IP address.

  • Page 141: Using Nat

    Server 3 IP IGA1 Note: You must create a firewall rule in addition to setting up SUA/NAT, to allow traffic from the WAN to be forwarded through the ZyAIR. ZyAIR G-2000 Plus User’s Guide SMT ABBREVIATION M-M Ov M-1-1 Server...

  • Page 142: Default Server Ip Address

    ZyAIR G-2000 Plus User’s Guide You may enter a single port number or a range of port numbers to be forwarded, and the local IP address of the desired server. The port number identifies a service; for example, web service is on port 80 and FTP on port 21. In some cases, such as for unknown services or where one server can support more than one service (for example both FTP and web service), it might be better to specify a range of port numbers.

  • Page 143: Configuring Servers Behind Sua (Example)

    192.168.1.35 to a third (C in the example). You assign the LAN IP addresses and the ISP assigns the WAN IP address. The NAT network appears as a single host on the Internet Chapter 10 Single User Account (SUA) / Network Address Translation (NAT) ZyAIR G-2000 Plus User’s Guide PORT NUMBER 1723...

  • Page 144: Configuring Sua Server

    ZyAIR G-2000 Plus User’s Guide Figure 56 Multiple Servers Behind NAT Example 10.4 Configuring SUA Server Click SUA/NAT to open the SUA Server screen. Refer tosee Figure 43for port numbers commonly used for particular services. Chapter 10 Single User Account (SUA) / Network Address Translation (NAT)

  • Page 145: Figure 57 Sua/Nat Setup

    To specify a range of ports, enter the last port to be forwarded in the End Port field. End Port Server IP Enter the inside IP address of the server here. Address Chapter 10 Single User Account (SUA) / Network Address Translation (NAT) ZyAIR G-2000 Plus User’s Guide...

  • Page 146: Configuring Address Mapping

    ZyAIR G-2000 Plus User’s Guide Table 44 SUA/NAT Setup LABEL DESCRIPTION Apply Click Apply to save your changes back to the ZyAIR. Reset Click Reset to begin configuring this screen afresh. 10.5 Configuring Address Mapping Ordering your rules is important because the ZyAIR applies the rules in the order that you specify.

  • Page 147: Figure 58 Address Mapping

    4. Many One-to-One mode maps each local IP address to unique global IP addresses. 5. Server allows you to specify inside servers of different services behind the NAT to be accessible to the outside world. Chapter 10 Single User Account (SUA) / Network Address Translation (NAT) ZyAIR G-2000 Plus User’s Guide...

  • Page 148: Configuring Address Mapping

    ZyAIR G-2000 Plus User’s Guide Table 45 Address Mapping LABEL DESCRIPTION Edit Click Edit to go to the Address Mapping Rule screen. Delete Click Delete to delete an address mapping rule. 10.5.1 Configuring Address Mapping To edit an address mapping rule, select the radio button of a rule and click the Edit button to display the screen shown next.

  • Page 149: Trigger Port Forwarding

    IP address each time you want a different LAN computer to use the application. 10.6.1 Trigger Port Forwarding Example The following is an example of trigger port forwarding. Chapter 10 Single User Account (SUA) / Network Address Translation (NAT) ZyAIR G-2000 Plus User’s Guide...

  • Page 150: Two Points To Remember About Trigger Ports

    ZyAIR G-2000 Plus User’s Guide Figure 60 Trigger Port Forwarding Process: Example 1 Jane requests a file from the Real Audio server (port 7070). 2 Port 7070 is a “trigger” port and causes the ZyAIR to record Jane’s computer IP address.

  • Page 151: Figure 61 Trigger Port

    Type a port number or the ending port number in a range of port numbers. Apply Click Apply to save your changes back to the ZyAIR. Reset Click Reset to begin configuring this screen afresh. Chapter 10 Single User Account (SUA) / Network Address Translation (NAT) ZyAIR G-2000 Plus User’s Guide...
  • Page 152 ZyAIR G-2000 Plus User’s Guide Chapter 10 Single User Account (SUA) / Network Address Translation (NAT)

  • Page 153: Static Route Screens

    Figure 62 Example of Static Routing Topology 11.2 Configuring IP Static Route Click STATIC ROUTE to open the screen as shown next. Chapter 11 Static Route Screens H A P T E R Static Route Screens ZyAIR G-2000 Plus User’s Guide...

  • Page 154: Configuring Route Entry

    ZyAIR G-2000 Plus User’s Guide Figure 63 Static Route The following table describes the labels in this screen. Table 48 Static Route LABEL DESCRIPTION Number of an individual static route. Name Name that describes or identifies this route. Active This field shows whether this static route is active (Yes) or not (No).

  • Page 155: Figure 64 Static Route: Edit

    Clear this checkbox to propagate this route to other hosts through RIP broadcasts. Apply Click Apply to save your changes back to the ZyAIR. Cancel Click Cancel to return to the previous screen and not save your changes. Chapter 11 Static Route Screens ZyAIR G-2000 Plus User’s Guide...
  • Page 156 ZyAIR G-2000 Plus User’s Guide Chapter 11 Static Route Screens...

  • Page 157: Remote Management Screens

    See the firewall chapters for details on configuring firewall rules • ALL (LAN and WAN) • Neither (Disable). Note: When you Choose WAN only or ALL (LAN & WAN), you still need to configure a firewall rule to allow access. ZyAIR G-2000 Plus User’s Guide...

  • Page 158: Remote Management And Nat

    ZyAIR G-2000 Plus User’s Guide 1 A filter in SMT menu 3.1 (LAN) or in menu 11.5 (WAN) is applied to block a Telnet, FTP or Web service. 2 You have disabled that service in one of the remote management screens.

  • Page 159: Configuring Telnet

    12.3 Configuring Telnet You can configure your ZyAIR for remote Telnet access as shown next. The administrator uses Telnet from a computer on a remote network to access the ZyAIR. Chapter 12 Remote Management Screens ZyAIR G-2000 Plus User’s Guide...

  • Page 160: Configuring Telnet

    ZyAIR G-2000 Plus User’s Guide Figure 66 Telnet Configuration on a TCP/IP Network 12.4 Configuring TELNET Click REMOTE MGMT and the TELNET tab to display the screen as shown. Figure 67 Remote Management: Telnet The following table describes the labels in this screen.

  • Page 161: Configuring Ftp

    Server Access Select the interface(s) through which a computer may access the ZyAIR using this service. Chapter 12 Remote Management Screens ZyAIR G-2000 Plus User’s Guide DESCRIPTION...

  • Page 162: Snmp

    ZyAIR G-2000 Plus User’s Guide Table 52 Remote Management: FTP LABEL DESCRIPTION Secured Client IP A secured client is a “trusted” computer that is allowed to communicate with the Address ZyAIR using this service. Select All to allow any computer to access the ZyAIR using this service.

  • Page 163: Supported Mibs

    RFC-1215) whyReboot (defined in ZYXEL- MIB) Chapter 12 Remote Management Screens ZyAIR G-2000 Plus User’s Guide DESCRIPTION A trap is sent after booting (power on). A trap is sent after booting (software reboot). A trap is sent to the manager when receiving any SNMP get or set requirements with the wrong community (password).

  • Page 164: Configuring Snmp

    ZyAIR G-2000 Plus User’s Guide Table 53 SNMP Traps TRAP # TRAP NAME For intentional reboot : For fatal error : 12.6.3 Configuring SNMP To change your ZyAIR’s SNMP settings, click REMOTE MGMT, then the SNMP tab. The screen appears as shown.

  • Page 165: Figure 70 Remote Management: Snmp

    Type the IP address of the station to send your SNMP traps to. You may change the server port number for a service if needed, however you must use the same port number in order to use that service for remote management. ZyAIR G-2000 Plus User’s Guide...

  • Page 166: Configuring Dns

    ZyAIR G-2000 Plus User’s Guide Table 54 Remote Management: SNMP LABEL Service Access Secured Client IP Address Apply Reset 12.7 Configuring DNS Use DNS (Domain Name System) to map a domain name to its corresponding IP address and vice versa. Refer to the chapter on Wizard Setup for background information.

  • Page 167: Configuring Security

    This allows the outside user to know the ZyAIR exists. Your ZyAIR supports anti-probing, which prevents the ICMP response packet from being sent. This keeps outsiders from discovering your ZyAIR when unsupported ports are probed. Chapter 12 Remote Management Screens ZyAIR G-2000 Plus User’s Guide...

  • Page 168: Figure 72 Security

    ZyAIR G-2000 Plus User’s Guide Figure 72 Security The following table describes the labels in this screen. Table 56 Security LABEL DESCRIPTION ICMP Internet Control Message Protocol is a message control and error-reporting protocol between a host server and a gateway to the Internet. ICMP uses Internet Protocol (IP) datagrams, but the messages are processed by the TCP/IP software and directly apparent to the application user.

  • Page 169: Chapter 13 Upnp

    Network information and configuration may also be obtained and modified by users in some network environments. Chapter 13 UPnP ZyAIR G-2000 Plus User’s Guide H A P T E R UP N P...

  • Page 170: Upnp And Zyxel

    ZyAIR G-2000 Plus User’s Guide All UPnP-enabled devices may communicate freely with each other without additional configuration. Disable UPnP if this is not your intention. 13.2 UPnP and ZyXEL ZyXEL has achieved UPnP certification from the Universal Plug and Play Forum Creates UPnP™...

  • Page 171: Installing Upnp In Windows Example

    13.4 Installing UPnP in Windows Example This section shows how to install UPnP in Windows Me and Windows XP. Chapter 13 UPnP ZyAIR G-2000 Plus User’s Guide DESCRIPTION Select this checkbox to activate UPnP. Be aware that anyone could use...

  • Page 172: Installing Upnp In Windows Me

    ZyAIR G-2000 Plus User’s Guide 13.4.1 Installing UPnP in Windows Me Follow the steps below to install UPnP in Windows Me. 1 Click Start and Control Panel. Double- click Add/Remove Programs. 2 Click on the Windows Setup tab and select Communication in the Components selection box.

  • Page 173: Installing Upnp In Windows Xp

    Details. 6 In the Networking Services window, select the Universal Plug and Play check box. 7 Click OK to go back to the Windows Optional Networking Component Wizard window and click Next. Chapter 13 UPnP ZyAIR G-2000 Plus User’s Guide...

  • Page 174: Using Upnp In Windows Xp Example

    ZyAIR G-2000 Plus User’s Guide 13.5 Using UPnP in Windows XP Example This section shows you how to use the UPnP feature in Windows XP. You must already have UPnP installed in Windows XP and UPnP activated on the ZyXEL device.

  • Page 175: Auto-Discover Your Upnp-Enabled Network Device

    Note: When the UPnP-enabled device is disconnected from your computer, all port mappings will be deleted automatically. Chapter 13 UPnP ZyAIR G-2000 Plus User’s Guide 4 You may edit or delete the port mappings or click Add to manually add port mappings.

  • Page 176: Web Configurator Easy Access

    ZyAIR G-2000 Plus User’s Guide 5 Select the Show icon in notification area when connected check box and click OK. An icon displays in the system tray 6 Double-click the icon to display your current Internet connection status. 13.5.2 Web Configurator Easy Access With UPnP, you can access the web-based configurator on the ZyXEL device without finding out the IP address of the ZyXEL device first.

  • Page 177: Web Configurator Easy Access

    With UPnP, you can access the web-based configurator on the ZyXEL device without finding out the IP address of the ZyXEL device first. This is helpful if you do not know the IP address of the ZyXEL device. Chapter 13 UPnP ZyAIR G-2000 Plus User’s Guide...
  • Page 178 ZyAIR G-2000 Plus User’s Guide Follow the steps below to access the web configurator. 1 Click Start and then Control Panel. 2 Double-click Network Connections. 3 Select My Network Places under Other Places. 4 An icon with the description for each UPnP-enabled device displays under Local Network.

  • Page 179: Chapter 14 Firewalls

    Application-level gateways have a number of general advantages over the default mode of permitting application traffic directly to internal hosts: Chapter 14 Firewalls ZyAIR G-2000 Plus User’s Guide H A P T E R Firewalls...

  • Page 180: Stateful Inspection Firewalls

    ZyAIR G-2000 Plus User’s Guide 1 Information hiding prevents the names of internal systems from being made known via DNS to outside systems, since the application gateway is the only host whose name must be made known to outside systems.

  • Page 181: Denial Of Service

    If the person configuring or managing the computer is not careful, a hacker could attack it over an unprotected port. Some of the most common IP ports are: Table 58 Common IP Ports Telnet SMTP Chapter 14 Firewalls ZyAIR G-2000 Plus User’s Guide HTTP POP3...

  • Page 182: Types Of Dos Attacks

    ZyAIR G-2000 Plus User’s Guide 14.4.2 Types of DoS Attacks There are four types of DoS attacks: 1 Those that exploit bugs in a TCP/IP implementation. 2 Those that exploit weaknesses in the TCP/IP specification. 3 Brute-force attacks that flood a network with useless data.

  • Page 183: Figure 75 Three-Way Handshake

    ACK comes back or when an internal timer (which is set at relatively long intervals) terminates the three-way handshake. Once the queue is full, the system will ignore all incoming SYN requests, making the system unavailable for legitimate users. ZyAIR G-2000 Plus User’s Guide...

  • Page 184: Figure 76 Syn Flood

    ZyAIR G-2000 Plus User’s Guide Figure 76 SYN Flood b In a LAND Attack, hackers flood SYN packets into the network with • A brute-force attack, such as a "Smurf" attack, targets a feature in the IP specification known as directed or subnet broadcasting, to quickly flood the target network with useless data.

  • Page 185: Icmp Vulnerability

    To engage in IP spoofing, a hacker must modify the packet headers so that it appears that the packets originate from a trusted host and should be allowed through the router or firewall. The ZyAIR blocks all IP Spoofing attempts. Chapter 14 Firewalls ZyAIR G-2000 Plus User’s Guide...

  • Page 186: Stateful Inspection

    ZyAIR G-2000 Plus User’s Guide 14.5 Stateful Inspection With stateful inspection, fields of the packets are compared to packets that are already known to be trusted. For example, if you access some outside service, the proxy server remembers things about your original request, like the port number and source and destination addresses.

  • Page 187: Stateful Inspection And The Zyair

    Using custom rules, it is possible to disable all firewall protection or block all access to the Internet. Use extreme caution when creating or deleting firewall rules. Test changes after creating them to make sure they work correctly. ZyAIR G-2000 Plus User’s Guide...

  • Page 188: Tcp Security

    ZyAIR G-2000 Plus User’s Guide Below is a brief technical description of how these connections are tracked. Connections may either be defined by the upper protocols (for instance, TCP), or by the ZyAIR itself (as with the "virtual connections" created for UDP and ICMP).

  • Page 189: Upper Layer Protocols

    6 Protect against IP spoofing by making sure the firewall is active. 7 Keep the firewall in a secured (locked) room. 14.7 Packet Filtering Vs Firewall Below are some comparisons between the ZyAIR’s filtering and firewall functions. Chapter 14 Firewalls ZyAIR G-2000 Plus User’s Guide...

  • Page 190: Packet Filtering

    ZyAIR G-2000 Plus User’s Guide 14.7.1 Packet Filtering: • The router filters packets as they pass through the router’s interface according to the filter rules you designed. • Packet filtering is a powerful tool, yet can be complex to configure and maintain, especially if you need a chain of rules to filter a service.
  • Page 191 ZyAIR G-2000 Plus User’s Guide 6 The firewall can block specific URL traffic that might occur in the future. The URL can be saved in an Access Control List (ACL) database. Chapter 14 Firewalls...
  • Page 192 ZyAIR G-2000 Plus User’s Guide Chapter 14 Firewalls...

  • Page 193: Chapter 15 Firewall Screens

    WAN and/or managing the ZyAIR. Chapter 15 Firewall Screens H A P T E R Firewall Screens • WAN to LAN • WAN to WAN/ZyAIR Note: The LAN includes both the LAN port and the WLAN. ZyAIR G-2000 Plus User’s Guide...

  • Page 194: Rule Logic Overview

    ZyAIR G-2000 Plus User’s Guide You may define additional rules and sets or modify existing ones but please exercise extreme caution in doing so. For example, you may create rules to: • Block certain types of traffic, such as IRC (Internet Relay Chat), from the LAN to the Internet.

  • Page 195: Security Ramifications

    What is the connection’s destination address; is it on the LAN or WAN? Is it a single IP, a range of IPs or a subnet? Chapter 15 Firewall Screens Note: “Block” means the firewall silently discards the packet. ZyAIR G-2000 Plus User’s Guide...

  • Page 196: Connection Direction Examples

    ZyAIR G-2000 Plus User’s Guide 15.4 Connection Direction Examples This section describes examples for firewall rules for connections going from LAN to WAN and from WAN to LAN. LAN to LAN/ZyAIR and WAN to WAN/ZyAIR rules apply to packets coming in on the associated interface (LAN or WAN respectively).

  • Page 197: Alerts

    15.6 Configuring Firewall Click FIREWALL to open the Default Rule screen. Enable (or activate) the firewall by selecting the Enable Firewall check box as seen in the following screen. Chapter 15 Firewall Screens ZyAIR G-2000 Plus User’s Guide Figure 83...

  • Page 198: Rule Summary

    ZyAIR G-2000 Plus User’s Guide Figure 81 Default Rule The following table describes the labels in this screen. Table 60 Default Rule LABEL DESCRIPTION Enable Firewall Select this check box to activate the firewall. The ZyAIR performs access control and protects against Denial of Service (DoS) attacks when the firewall is activated.

  • Page 199: Figure 82 Rule Summary

    Service Type This drop-down list box displays the services to which this firewall rule applies. Please note that a blank service type is equivalent to Any. information. Chapter 15 Firewall Screens ZyAIR G-2000 Plus User’s Guide See Table 64 for more...

  • Page 200: Configuring Firewall Rules

    ZyAIR G-2000 Plus User’s Guide Table 61 Rule Summary LABEL DESCRIPTION Action This is the specified action for that rule, either Block or Forward. Note that Block means the firewall silently discards the packet. Schedule This field tells you whether a schedule is specified (Yes) or not (No).

  • Page 201: Figure 83 Creating/Editing A Firewall Rule

    ZyAIR G-2000 Plus User’s Guide Figure 83 Creating/Editing A Firewall Rule Chapter 15 Firewall Screens...

  • Page 202: Table 62 Creating/Editing A Firewall Rule

    ZyAIR G-2000 Plus User’s Guide The following table describes the labels in this screen. Table 62 Creating/Editing A Firewall Rule LABEL DESCRIPTION Edit Source/Destination Address Address Type Do you want your rule to apply to packets with a particular (single) IP, a range of IP addresses (e.g., 192.168.1.10 to 192.169.1.50), a subnet or any IP address?

  • Page 203: Configuring Custom Services

    Select Single to specify one port only or Range to specify a span of ports that define your customized service. Apply Click Apply to save your customized settings and exit this screen. Cancel Click Cancel to exit this screen without saving. Chapter 15 Firewall Screens ZyAIR G-2000 Plus User’s Guide...

  • Page 204: Example Firewall Rule

    ZyAIR G-2000 Plus User’s Guide 15.7 Example Firewall Rule The following Internet firewall rule example allows a hypothetical My Service connection from the Internet. 1 Click the FIREWALL link and then the Rule Summary tab. Select WAN to LAN from the Packet Direction drop-down list box.

  • Page 205: Figure 86 Rule Edit Example

    Service(s) to configure it as follows. Click Apply when you are done. Chapter 15 Firewall Screens Note: Custom services show up with an * before their names in the Services list box and the Rule Summary list box. Click Apply after you’ve created your custom service. ZyAIR G-2000 Plus User’s Guide...

  • Page 206: Figure 88 My Service Rule Configuration

    ZyAIR G-2000 Plus User’s Guide Figure 88 My Service Rule Configuration Chapter 15 Firewall Screens...

  • Page 207: Predefined Services

    BOOTP_SERVER(UDP:67) CU-SEEME (TCP/UDP:7648, 24032) DNS(UDP/TCP:53) FINGER(TCP:79) Chapter 15 Firewall Screens ZyAIR G-2000 Plus User’s Guide Figure 83 DESCRIPTION AOL’s Internet Messenger service, used as a listening port by ICQ. Authentication protocol used by some servers. Border Gateway Protocol. DHCP Client.
  • Page 208 ZyAIR G-2000 Plus User’s Guide Table 64 Predefined Services (continued) SERVICE FTP(TCP:20.21) H.323(TCP:1720) HTTP(TCP:80) HTTPS(TCP:443) ICQ(UDP:4000) IKE(UDP:500) IPSEC_ TRANSPORT / TUNNEL(AH:0) IPSEC_TUNNEL(ESP:0) IRC(TCP/UDP:6667) MSN Messenger (TCP:1863) MULTICAST(IGMP:0) NetBIOS(TCP/UDP:137~139, NEWS(TCP:144) NFS(UDP:2049) NNTP(TCP:119) PING(ICMP:0) POP3(TCP:110) PPTP(TCP:1723) PPTP_TUNNEL(GRE:0) RCMD(TCP:512) REAL_AUDIO(TCP:7070) REXEC(TCP:514) RLOGIN(TCP:513) ROADRUNNER(TCP/...
  • Page 209 TACACS(UDP:49) TELNET(TCP:23) TFTP(UDP:69) VDOLIVE(TCP:7000) Chapter 15 Firewall Screens ZyAIR G-2000 Plus User’s Guide DESCRIPTION Simple Mail Transfer Protocol is the message-exchange standard for the Internet. SMTP enables you to move messages from one e-mail server to another. Simple Network Management Program.
  • Page 210 ZyAIR G-2000 Plus User’s Guide Chapter 15 Firewall Screens...

  • Page 211: Chapter 16 Content Filtering

    The ZyAIR also allows you to define time periods and days during which the ZyAIR performs content filtering. 16.4 Configure Content Filtering Click Content Filter on the navigation panel, to open the following screen. Chapter 16 Content Filtering ZyAIR G-2000 Plus User’s Guide H A P T E R Content Filtering...

  • Page 212: Figure 90 Content Filter

    ZyAIR G-2000 Plus User’s Guide Figure 90 Content Filter The following table describes the labels in this screen. Table 65 Content Filter LABEL DESCRIPTION Restrict Web Select the box(es) to restrict a feature. When you download a page containing a Features restricted feature, that part of the web page will appear blank or grayed out.
  • Page 213 Select the All Day check box to have content filtering always active on the days selected in Day to Block with time of day limitations not enforced. Apply Click Apply to save your changes. Reset Click Reset to begin configuring this screen afresh Chapter 16 Content Filtering ZyAIR G-2000 Plus User’s Guide...
  • Page 214 ZyAIR G-2000 Plus User’s Guide Chapter 16 Content Filtering...

  • Page 215: Chapter 17 Certificates

    CRL (Certificate Revocation List). The ZyAIR can check a peer’s certificate against a directory server’s list of revoked certificates. The framework of servers, software, procedures and policies that handles keys is called PKI (public-key infrastructure). Chapter 17 Certificates ZyAIR G-2000 Plus User’s Guide H A P T E R Certificates...

  • Page 216: Advantages Of Certificates

    ZyAIR G-2000 Plus User’s Guide 17.1.1 Advantages of Certificates Certificates offer the following benefits. • The ZyAIR only has to store the certificates of the certification authorities that you decide to trust, no matter how many devices you need to authenticate.

  • Page 217: Figure 91 My Certificates

    This field displays the certificate index number. The certificates are listed in alphabetical order. Name This field displays the name used to identify this certificate. It is recommended that you give each certificate a unique name. Chapter 17 Certificates ZyAIR G-2000 Plus User’s Guide...
  • Page 218 ZyAIR G-2000 Plus User’s Guide Table 66 My Certificates (continued) LABEL DESCRIPTION Type This field displays what kind of certificate this is. REQ represents a certification request and is not yet a valid certificate. Send a certification request to a certification authority, which then issues a certificate. Use the My Certificate Import screen to import the certificate and replace the request.

  • Page 219: Certificate File Formats

    ZyAIR. Note: 2. The certificate you import replaces the corresponding request in the My Certificates screen. Note: 3. You must remove any spaces from the certificate’s filename before you can import it. ZyAIR G-2000 Plus User’s Guide...

  • Page 220: Creating A Certificate

    ZyAIR G-2000 Plus User’s Guide Figure 92 My Certificate Import The following table describes the labels in this screen. Table 67 My Certificate Import LABEL DESCRIPTION File Path Type in the location of the file you want to upload in this field or click Browse to find it.

  • Page 221: Figure 93 My Certificate Create

    ZyAIR G-2000 Plus User’s Guide Figure 93 My Certificate Create Chapter 17 Certificates...

  • Page 222: Table 68 My Certificate Create

    ZyAIR G-2000 Plus User’s Guide The following table describes the labels in this screen. Table 68 My Certificate Create LABEL Certificate Name Subject Information Common Name Organizational Unit Organization Country Key Length Enrollment Options Create a self-signed certificate Create a certification...

  • Page 223: My Certificate Details

    SECP enrollment protocol. Type the key that the certification authority gave you. Click Apply to begin certificate or certification request generation. Click Cancel to quit and return to the My Certificates screen. ZyAIR G-2000 Plus User’s Guide (see...

  • Page 224: Figure 94 My Certificate Details

    ZyAIR G-2000 Plus User’s Guide Figure 94 My Certificate Details Chapter 17 Certificates...

  • Page 225: Table 69 My Certificate Details

    This field displays the type of algorithm that was used to generate the certificate’s key pair (the ZyAIR uses RSA encryption) and the length of the key set in bits (1024 bits for example). ZyAIR G-2000 Plus User’s Guide...

  • Page 226: Trusted Cas

    ZyAIR G-2000 Plus User’s Guide Table 69 My Certificate Details (continued) LABEL Subject Alternative Name Key Usage Basic Constraint MD5 Fingerprint SHA1 Fingerprint Certificate in PEM (Base-64) Encoded Format Export Apply Cancel 17.9 Trusted CAs Click CERTIFICATES, Trusted CAs to open the Trusted CAs screen. This screen displays a summary list of certificates of the certification authorities that you have set the ZyAIR to accept as trusted.

  • Page 227: Figure 95 Trusted Cas

    ZyAIR to check a certification authority’s list of revoked certificates before trusting a certificate issued by the certification authority. Chapter 17 Certificates ZyAIR G-2000 Plus User’s Guide...

  • Page 228: Importing A Trusted Ca's Certificate

    ZyAIR G-2000 Plus User’s Guide Table 70 Trusted CAs (continued) LABEL DESCRIPTION Import Click Import to open a screen where you can save the certificate of a certification authority that you trust, from your computer to the ZyAIR. Delete Click Delete to delete an existing certificate. A window display asking you to confirm that you want to delete the certificate.

  • Page 229: Trusted Ca Certificate Details

    ZyAIR to check a certification authority’s list of revoked certificates before trusting a certificate issued by the certification authority. Chapter 17 Certificates ZyAIR G-2000 Plus User’s Guide...

  • Page 230: Figure 97 Trusted Ca Details

    ZyAIR G-2000 Plus User’s Guide Figure 97 Trusted CA Details Chapter 17 Certificates...

  • Page 231: Table 72 Trusted Ca Details

    This field displays the date that the certificate expires. The text displays in red and includes an Expiring! or Expired! message if the certificate is about to expire or has already expired. ZyAIR G-2000 Plus User’s Guide...
  • Page 232 ZyAIR G-2000 Plus User’s Guide Table 72 Trusted CA Details (continued) LABEL Key Algorithm Subject Alternative Name Key Usage Basic Constraint CRL Distribution Points MD5 Fingerprint SHA1 Fingerprint Certificate in PEM (Base-64) Encoded Format Export Apply Cancel DESCRIPTION This field displays the type of algorithm that was used to generate the certificate’s key pair (the ZyAIR uses RSA encryption) and the length of the key...

  • Page 233: Chapter 18 Log Screens

    The number of categories shown in the drop down list box depends on the selection in the Log Settings page. This field displays the time the log was recorded. This field states the reason for the log. ZyAIR G-2000 Plus User’s Guide...

  • Page 234: Configuring Log Settings

    ZyAIR G-2000 Plus User’s Guide Table 73 View Log LABEL Source Destination Notes Email Log Now Refresh Clear Log 18.2 Configuring Log Settings To change your ZyAIR’s log settings, click the LOGS links under ADVANCED and then the Log Settings tab. The screen appears as shown.

  • Page 235: Figure 99 Log Settings

    ZyAIR G-2000 Plus User’s Guide Figure 99 Log Settings Chapter 18 Log Screens...

  • Page 236: Table 74 Log Settings

    ZyAIR G-2000 Plus User’s Guide The following table describes the labels in this screen. Table 74 Log Settings LABEL Address Info Mail Server Mail Subject Send Log to Send Alerts to Syslog Logging Active Syslog Server IP Address Log Facility...

  • Page 237: Configuring Reports

    Chapter 18 Log Screens Note: The web site hit count may not be 100% accurate because sometimes when an individual web page loads, it may contain references to other web sites that also get counted as hits. ZyAIR G-2000 Plus User’s Guide...

  • Page 238: Figure 100 Reports

    ZyAIR G-2000 Plus User’s Guide Figure 100 Reports The following table describes the labels in this screen. Table 75 Reports LABEL DESCRIPTION Report Type Use the drop-down list box to select the type of reports to display. Web Site Hits displays the web sites that have been visited the most often from the LAN and how many times they have been visited.
  • Page 239 ZyAIR G-2000 Plus User’s Guide Note: All of the recorded reports data is erased when you turn off the ZyAIR. Chapter 18 Log Screens...
  • Page 240 ZyAIR G-2000 Plus User’s Guide Chapter 18 Log Screens...

  • Page 241: Chapter 19 Maintenance

    Click MAINTENANCE to open the System Status screen, where you can use to monitor your ZyAIR. Note that these labels are READ-ONLY and are meant to be used for diagnostic purposes. Chapter 19 Maintenance ZyAIR G-2000 Plus User’s Guide H A P T E R Maintenance...

  • Page 242: Figure 101 System Status

    ZyAIR G-2000 Plus User’s Guide Figure 101 System Status The following table describes the labels in this screen. Table 76 System Status LABEL System Name Model Name ZyNOS Firmware Version WAN Port IP Address This is the WAN port IP address.

  • Page 243: System Statistics

    This is the total time the ZyAIR has been on. Enter the time interval for refreshing statistics. Click this button to apply the new poll interval you entered above. Click this button to stop refreshing statistics. ZyAIR G-2000 Plus User’s Guide...

  • Page 244: Association List

    ZyAIR G-2000 Plus User’s Guide Click MAINTENANCE, and then the DHCP Table tab. Read-only information here relates to your DHCP status. The DHCP table shows current DHCP Client information (including IP Address, Host Name and MAC Address) of all network clients using the DHCP server.

  • Page 245: F/W Upload Screen

    This is the index number of an associated wireless station. This field displays the MAC address of an associated wireless station. This field displays the time a wireless station first associated with the ZyAIR. Click Refresh to reload the screen. ZyAIR G-2000 Plus User’s Guide...

  • Page 246: Figure 105 Firmware Upload

    ZyAIR G-2000 Plus User’s Guide Figure 105 Firmware Upload The following table describes the labels in this screen. Table 80 Firmware Upload LABEL File Path Browse... Upload After you see the Firmware Upload in Process screen, wait two minutes before logging into the ZyAIR again.

  • Page 247: Figure 106 Firmware Upload In Process

    ZyAIR G-2000 Plus User’s Guide Figure 106 Firmware Upload In Process The ZyAIR automatically restarts in this time causing a temporary network disconnect. In some operating systems, you may see the following icon on your desktop. Figure 107 Network Temporarily Disconnecte After two minutes, log in again and check your new firmware version in the System Status screen.

  • Page 248: Configuration Screen

    ZyAIR G-2000 Plus User’s Guide Figure 108 Firmware Upload Error 19.6 Configuration Screen See the Firmware and Configuration File Maintenance chapter for transferring configuration files using FTP/TFTP commands. Click MAINTENANCE, and then the Configuration tab. Information related to factory defaults, backup configuration, and restoring configuration appears as shown next.

  • Page 249: Backup Configuration

    ZyAIR. Table 81 Restore Configuration LABEL File Path Chapter 19 Maintenance DESCRIPTION Type in the location of the file you want to upload in this field or click Browse ... to find it. ZyAIR G-2000 Plus User’s Guide...

  • Page 250: Figure 110 Configuration Upload Successful

    ZyAIR G-2000 Plus User’s Guide Table 81 Restore Configuration LABEL Browse... Upload After you see a “restore configuration successful” screen, you must then wait one minute before logging into the ZyAIR again. Figure 110 Configuration Upload Successful The ZyAIR automatically restarts in this time causing a temporary network disconnect. In some operating systems, you may see the following icon on your desktop.

  • Page 251: Back To Factory Defaults

    System restart allows you to reboot the ZyAIR without turning the power off. Click MAINTENANCE, and then Restart. Click Restart to have the ZyAIR reboot. This does not affect the ZyAIR's configuration. Chapter 19 Maintenance ZyAIR G-2000 Plus User’s Guide...

  • Page 252: Figure 114 Restart Screen

    ZyAIR G-2000 Plus User’s Guide Figure 114 Restart Screen Chapter 19 Maintenance...

  • Page 253: Chapter 20 Introducing The Smt

    For your first login, enter the default password “1234”. As you type the password, the screen displays an asterisk “*” for each character you type. Chapter 20 Introducing the SMT ZyAIR G-2000 Plus User’s Guide H A P T E R Introducing the SMT...

  • Page 254: Changing The System Password

    ZyAIR G-2000 Plus User’s Guide Please note that if there is no activity for longer than five minutes after you log in, your ZyAIR will automatically log you out. Figure 116 Login Screen Enter Password : **** 20.3 Changing the System Password Change the ZyAIR default password by following the steps shown next.

  • Page 255: Navigating The Smt Interface

    Figure 118 ZyAIR G-2000 Plus SMT Menu Overview Example 20.5 Navigating the SMT Interface The SMT (System Management Terminal) is the interface that you use to configure your ZyAIR. Several operations that you should be familiar with before you attempt to modify the configuration are listed in the table below.
  • Page 256 ZyAIR G-2000 Plus User’s Guide Table 82 Main Menu Commands OPERATION KEYSTROKE Move to a “hidden” Press [SPACE BAR] menu to change No to Yes then press [ENTER]. Move the cursor [ENTER] or [UP]/ [DOWN] arrow keys. Entering information Type in or press [SPACE BAR], then press [ENTER].

  • Page 257: System Management Terminal Interface Summary

    Figure 119 ZyAIR G-2000 Plus SMT Main Menu Copyright (c) 1994 - 2004 ZyXEL Communications Corp. Getting Started 1. General Setup 2. WAN Setup 3. LAN Setup 4. Internet Access Setup Advanced Applications 11. Remote Node Setup 12. Static Routing Setup 14.

  • Page 258: Figure 120 Menu 23: System Security

    ZyAIR G-2000 Plus User’s Guide Change the ZyAIR default password by following the steps shown next. 1 Enter 23 in the main menu to display Menu 23 - System Security as shown next. Figure 120 Menu 23: System Security Menu 23 - System Security 2 Enter 23.1 in the main menu to display Menu 23.1 - System Security - Change...

  • Page 259: Chapter 21 General Setup

    ZyAIR via DHCP. 21.1.1 Procedure To Configure Menu 1 Enter 1 in the Main Menu to open Menu 1 – General Setup as shown next. Chapter 21 General Setup ZyAIR G-2000 Plus User’s Guide H A P T E R General Setup...

  • Page 260: Figure 122 Menu 1 General Setup

    ZyAIR G-2000 Plus User’s Guide Figure 122 Menu 1 General Setup Fill in the required fields. Refer to the following table for more information about these fields. Table 84 Menu 1 General Setup FIELD System Name Domain Name First System DNS...

  • Page 261: Procedure To Configure Dynamic Dns

    Enter the password assigned to you. Chapter 21 General Setup Note: If you have a private WAN IP address, then you cannot use Dynamic DNS Menu 1.1 - Configure Dynamic DNS Press ENTER to Confirm or ESC to Cancel: ZyAIR G-2000 Plus User’s Guide...
  • Page 262 ZyAIR G-2000 Plus User’s Guide Table 85 Menu 1.1 Configure Dynamic DNS FIELD DESCRIPTION Enable Your ZyAIR supports DYNDNS Wildcard. Press [SPACE BAR] and then [ENTER] to Wildcards select Yes or No This field is N/A when you choose DDNS client as your service provider.

  • Page 263: Chapter 22 Menu 2 Wan Setup

    When you have completed this menu, press [ENTER] at the prompt “Press ENTER to Confirm…” to save your configuration, or press [ESC] at any time to cancel. Chapter 22 Menu 2 WAN Setup ZyAIR G-2000 Plus User’s Guide H A P T E R Menu 2 WAN Setup...
  • Page 264 ZyAIR G-2000 Plus User’s Guide Chapter 22 Menu 2 WAN Setup...

  • Page 265: Chapter 23 Lan Setup

    Menu 3 - LAN Setup 1. LAN Port Filter Setup 2. TCP/IP and DHCP Setup 5. Wireless LAN Setup Input Filter Sets: protocol filters= device filters= Output Filter Sets: protocol filters= device filters= ZyAIR G-2000 Plus User’s Guide LAN Setup...

  • Page 266: Protocol Dependent Ethernet Setup

    ZyAIR G-2000 Plus User’s Guide 23.2 Protocol Dependent Ethernet Setup Depending on the protocols for your applications, you need to configure the respective Ethernet Setup, as outlined below. • For TCP/IP Ethernet setup refer to the Internet Access Application chapter.

  • Page 267: Table 88 Menu 3.2: Lan Tcp/Ip Setup Fields

    The ZyAIR supports three logical LAN interfaces via its single physical Ethernet interface with the ZyAIR itself as the gateway for each LAN network. Press [SPACE BAR] to select Yes and then press [ENTER] to display menu 3.2.1 ZyAIR G-2000 Plus User’s Guide...

  • Page 268: Ip Alias Setup

    ZyAIR G-2000 Plus User’s Guide 23.3.1 IP Alias Setup IP alias allows you to partition a physical network into different logical networks over the same Ethernet interface. The ZyAIR supports three logical LAN interfaces via its single physical Ethernet interface with the ZyAIR itself as the gateway for each LAN network.

  • Page 269: Wireless Lan Setup

    Outgoing protocol filters= N/A IP Alias 2= No IP Address= N/A IP Subnet Mask= N/A RIP Direction= N/A Version= N/A Incoming protocol filters= N/A Outgoing protocol filters= N/A Enter here to CONFIRM or ESC to CANCEL: ZyAIR G-2000 Plus User’s Guide...

  • Page 270: Figure 130 Menu 3.5 Wireless Lan Setup

    ZyAIR G-2000 Plus User’s Guide Figure 130 Menu 3.5 Wireless LAN Setup Enable Wireless LAN= Yes ESSID= Wireless Hide ESSID= No Channel ID= CH06 2437MHz RTS Threshold= 2432 Frag. Threshold= 2432 WEP Encryption= 128-bit WEP Default Key= 1 Key1= ********...

  • Page 271: Configuring Mac Address Filter

    Select G Only to allow only IEEE 802.11g compliant WLAN devices to associate with the ZyAIR. Select Mixed to allow either IEEE802.11b or IEEE802.11g compliant WLAN devices to associate with the ZyAIR. The transmission rate of your ZyAIR might be reduced. ZyAIR G-2000 Plus User’s Guide...

  • Page 272: Figure 131 Menu 3.5 Wireless Lan Setup

    ZyAIR G-2000 Plus User’s Guide 2 Enter 5 to display Menu 3.5 – Wireless LAN Setup. Figure 131 Menu 3.5 Wireless LAN Setup Enable Wireless LAN= Yes ESSID= Wireless Hide ESSID= No Channel ID= CH06 2437MHz RTS Threshold= 2432 Frag. Threshold= 2432...

  • Page 273: Figure 132 Menu 3.5.1 Wlan Mac Address Filter

    Menu 3.5.1 - WLAN MAC Address Filter Active= No Filter Action= Allowed Association 00:00:00:00:00:00 00:00:00:00:00:00 00:00:00:00:00:00 00:00:00:00:00:00 00:00:00:00:00:00 00:00:00:00:00:00 00:00:00:00:00:00 00:00:00:00:00:00 00:00:00:00:00:00 00:00:00:00:00:00 00:00:00:00:00:00 00:00:00:00:00:00 Enter here to CONFIRM or ESC to CANCEL: ZyAIR G-2000 Plus User’s Guide 00:00:00:00:00:00 00:00:00:00:00:00 00:00:00:00:00:00 00:00:00:00:00:00 00:00:00:00:00:00 00:00:00:00:00:00 00:00:00:00:00:00 00:00:00:00:00:00...
  • Page 274 ZyAIR G-2000 Plus User’s Guide Chapter 23 LAN Setup...

  • Page 275: Chapter 24 Internet Access

    From the main menu, type 4 to display Menu 4 - Internet Access Setup. If you choose Ethernet in menu 4 you will see the next menu. Chapter 24 Internet Access ZyAIR G-2000 Plus User’s Guide H A P T E R Internet Access...

  • Page 276: Figure 133 Menu 4 Internet Access Setup

    ZyAIR G-2000 Plus User’s Guide Figure 133 Menu 4 Internet Access Setup Press ENTER to Confirm or ESC to Cancel: The following table describes the fields in this menu. Table 92 Internet Access Setup (Ethernet FIELD ISP’s Name Encapsulation Service Type Note: DSL users must choose the Standard option only.

  • Page 277: Configuring The Pptp Client

    Feature you must configure at least one address mapping set! Please see the NAT chapter for a more detailed discussion on the Network Address Translation feature. Note: The ZyAIR supports only one PPTP server connection at any given time ZyAIR G-2000 Plus User’s Guide...

  • Page 278: Configuring The Pppoe Client

    ZyAIR G-2000 Plus User’s Guide Figure 134 Internet Access Setup (PPTP) The following table contains instructions about the new fields when you choose PPTP in the Encapsulation field in menu 4. Table 93 New Fields in Menu 4 (PPTP) Screen...

  • Page 279: Basic Setup Complete

    Press ENTER to Confirm or ESC to Cancel: Note: When the firewall is activated, the default policy allows all communications to the Internet that originate from the LAN, and blocks all traffic to the LAN that originates from the Internet. ZyAIR G-2000 Plus User’s Guide...
  • Page 280 ZyAIR G-2000 Plus User’s Guide Chapter 24 Internet Access...

  • Page 281: Remote Node Configuration

    Encapsulation or PPPoE Encapsulation. You must choose the Ethernet option when the WAN port is used as a regular Ethernet. The first menu 11.1 screen you see is for Ethernet encapsulation shown next. Chapter 25 Remote Node Configuration ZyAIR G-2000 Plus User’s Guide H A P T E R...

  • Page 282: Figure 136 Menu 11.1 Remote Node Profile For Ethernet Encapsulation

    ZyAIR G-2000 Plus User’s Guide Figure 136 Menu 11.1 Remote Node Profile for Ethernet Encapsulation Rem Node Name= ChangeMe Active= Yes Encapsulation= Ethernet Service Type= Standard Service Name= N/A Outgoing: My Login= N/A My Password= N/A Retype to Confirm= N/A...

  • Page 283: Pppoe Encapsulation

    ZyAIR with a DSL modem as the WAN device. If you change the Encapsulation to PPPoE, then you will see the next screen. Please see the appendix for more information on PPPoE. Chapter 25 Remote Node Configuration ZyAIR G-2000 Plus User’s Guide...

  • Page 284: Outgoing Authentication Protocol

    ZyAIR G-2000 Plus User’s Guide Figure 137 Menu 11.1 Remote Node Profile for PPPoE Encapsulation Rem Node Name= ChangeMe Active= Yes Encapsulation= PPPoE Service Type= Standard Service Name= Outgoing: My Login= My Password= ******** Retype to Confirm= ******** Authen= CHAP/PAP Press Space Bar to Toggle.

  • Page 285: Pptp Encapsulation

    Please see the appendix for information on PPTP. Chapter 25 Remote Node Configuration CHAP/PAP - Your ZyAIR will accept either CHAP or PAP when requested by this remote node. CHAP- accept CHAP only. PAP- accept PAP only. ZyAIR G-2000 Plus User’s Guide insee Table...

  • Page 286: Edit Ip

    ZyAIR G-2000 Plus User’s Guide Figure 138 Menu 11.1 Remote Node Profile for PPTP Encapsulation Menu 11.1 - Remote Node Profile Rem Node Name= ChangeMe Active= Yes Encapsulation= PPTP Service Type= Standard Service Name= N/A Outgoing: My Login= My Password= ********...

  • Page 287: Figure 139 Menu 11.3 Remote Node Network Layer Options For Ethernet Encapsulation

    Menu 11.3 - Remote Node Network Layer Options IP Address Assignment= Dynamic Rem IP Addr= N/A Rem Subnet Mask= N/A My WAN Addr= N/A Network Address Translation= SUA Only Metric= 1 Private= No RIP Direction= None Version= N/A Multicast= None ZyAIR G-2000 Plus User’s Guide...

  • Page 288: Remote Node Filter

    ZyAIR G-2000 Plus User’s Guide Table 98 Remote Node Network Layer Options FIELD DESCRIPTION Private This field is valid only for PPTP/PPPoE encapsulation. This parameter determines if the ZyAIR will include the route to this remote node in its RIP broadcasts. If set to Yes, this route is kept private and not included in RIP broadcast.

  • Page 289: Figure 140 Menu 11.5: Remote Node Filter (Ethernet Encapsulation)

    Input Filter Sets: protocol filters= device filters= Output Filter Sets: protocol filters= device filters= Input Filter Sets: protocol filters= device filters= Output Filter Sets: protocol filters= device filters= Call Filter Sets: protocol filters= device filters= ZyAIR G-2000 Plus User’s Guide...
  • Page 290 ZyAIR G-2000 Plus User’s Guide Chapter 25 Remote Node Configuration...

  • Page 291: Chapter 26 Static Route Setup

    Chapter 26 Static Route Setup H A P T E R Static Route Setup Menu 12 - IP Static Route Setup 1. ________ 2. ________ 3. ________ 4. ________ 5. ________ 6. ________ 7. ________ Enter selection number: ZyAIR G-2000 Plus User’s Guide...

  • Page 292: Figure 143 Menu12.1 Edit Ip Static Route

    ZyAIR G-2000 Plus User’s Guide Figure 143 Menu12.1 Edit IP Static Route Menu 12.1 - Edit IP Static Route Press ENTER to Confirm or ESC to Cancel: The following table describes the fields for Menu 12.1 – Edit IP Static Route Setup.

  • Page 293: Chapter 27 Dial-In User Setup

    7. ________ 8. ________ Type a number and press [ENTER] to edit the user profile. Chapter 27 Dial-in User Setup ZyAIR G-2000 Plus User’s Guide H A P T E R Dial-in User Setup Menu 14 - Dial-in User Setup 9.

  • Page 294: Figure 145 Menu 14.1- Edit Dial-In User

    ZyAIR G-2000 Plus User’s Guide Figure 145 Menu 14.1- Edit Dial-in User Leave name field blank to delete profile The following table describes the fields in this screen. Table 100 Menu 14.1- Edit Dial-in User FIELD User Name Active Password When you have completed this menu, press [ENTER] at the prompt “Press ENTER to confirm or ESC...

  • Page 295: Network Address Translation (Nat)

    ZyAIR Note: Choose SUA Only if you have just one public WAN IP address for your ZyAIR. Note: Choose Full Feature if you have multiple public WAN IP addresses for your ZyAIR. ZyAIR G-2000 Plus User’s Guide (NAT)

  • Page 296: Figure 146 Menu 4 Applying Nat For Internet Access

    ZyAIR G-2000 Plus User’s Guide Figure 146 Menu 4 Applying NAT for Internet Access The following figure shows how you apply NAT to the remote node in menu 11.1. 1 Enter 11 from the main menu. 2 When menu 11 appears, as shown in the following figure, type the number of the remote node that you want to configure.

  • Page 297: Nat Setup

    IP Address= N/A IP Subnet Mask= N/A Gateway IP Addr= N/A Network Address Translation= SUA Only Metric= 1 Private= N/A RIP Direction= None Version= N/A Multicast= None Enter here to CONFIRM or ESC to CANCEL: ZyAIR G-2000 Plus User’s Guide...

  • Page 298: Address Mapping Sets

    ZyAIR G-2000 Plus User’s Guide Figure 148 Menu 15 NAT Setup Menu 15 - NAT Setup Enter Menu Selection Number: 28.3.1 Address Mapping Sets Enter 1 to bring up Menu 15.1 — Address Mapping Sets. Figure 149 Menu 15.1 Address Mapping Sets Enter 255 to display the next screen, The fields in this menu cannot be changed.

  • Page 299: User-Defined Address Mapping Sets

    This is the ending global IP address (IGA). These are the mapping types. Server allows us to specify multiple servers of different types behind NAT to this machine. See later for some examples. Note: Menu 15.1.255 is read-only. ZyAIR G-2000 Plus User’s Guide Type Server...

  • Page 300: Ordering Your Rules

    ZyAIR G-2000 Plus User’s Guide Figure 151 Menu 15.1.1 First Set Menu 15.1.1 - Address Mapping Rules Set Name= NAT_SET Local Start IP --------------- -------------- --------------- --------------- 28.3.1.2 Ordering Your Rules Ordering your rules is important because the ZyAIR applies the rules in the order that you specify.

  • Page 301: Figure 152 Menu 15.1.1.1 Editing/Configuring An Individual Rule In A Set

    Note: An End IP address must be numerically greater than its corresponding IP Start address Type= One-to-One Local IP: Start= 0.0.0.0 = N/A Global IP: Start= 0.0.0.0 = N/A ZyAIR G-2000 Plus User’s Guide...

  • Page 302: Configuring A Server Behind Nat

    ZyAIR G-2000 Plus User’s Guide Table 104 Menu 15.1.1.1 Editing/Configuring an Individual Rule in a Set FIELD DESCRIPTION This is the ending inside global IP address (IGA). This field is N/A for One-to-One, Many-to-One and Server types. When you have completed this menu, press [ENTER] at the prompt “Press ENTER to confirm or ESC to cancel”...

  • Page 303: General Nat Examples

    In the following Internet access example, you only need one rule where the ILAs (Inside Local Addresses) of computers A through D map to one dynamic IGA (Inside Global Address) assigned by your ISP. Chapter 28 Network Address Translation (NAT) ZyAIR G-2000 Plus User’s Guide...

  • Page 304: Example 2: Internet Access With An Inside Server

    ZyAIR G-2000 Plus User’s Guide Figure 155 NAT Example 1 Figure 156 Menu 4 Internet Access & NAT Example Press ENTER to Confirm or ESC to Cancel: From menu 4, choose the SUA Only option from the Network Address Translation field.

  • Page 305: Example 3: Multiple Public Ip Addresses With Inside Servers

    : 1 mapping, giving both local and global IP addresses). 3 Map the other outgoing LAN traffic to IGA3 (Many : 1 mapping). Chapter 28 Network Address Translation (NAT) End Port No. Default Default ZyAIR G-2000 Plus User’s Guide IP Address 192.168.1.10 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0...

  • Page 306: Figure 159 Nat Example 3

    ZyAIR G-2000 Plus User’s Guide 4 You also map your third IGA to the web server and mail server on the LAN. Type Server allows you to specify multiple servers, of different types, to other computers behind NAT on the LAN.

  • Page 307: Figure 160 Nat Example 3: Menu 11.3

    IP Address= N/A IP Subnet Mask= N/A Gateway IP Addr= N/A Network Address Translation= Full Feature Metric= 1 Private= N/A RIP Direction= None Version= N/A Multicast= None Enter here to CONFIRM or ESC to CANCEL: ZyAIR G-2000 Plus User’s Guide...

  • Page 308: Figure 161 Example 3: Menu 15.1.1.1

    ZyAIR G-2000 Plus User’s Guide Figure 161 Example 3: Menu 15.1.1.1 Menu 15.1.1.1 Address Mapping Rule Press ENTER to Confirm or ESC to Cancel: Press Space Bar to Toggle. Figure 162 Example 3: Final Menu 15.1.1 Menu 15.1.1 - Address Mapping Rules...

  • Page 309: Example 4: Nat Unfriendly Application Programs

    Chapter 28 Network Address Translation (NAT) Menu 15.2 - NAT Server Setup End Port No. Default Default Press ENTER to Confirm or ESC to Cancel: HTTP:80 FTP:21 Telnet:23 SMTP:25 POP3:110 PPTP:1723 ZyAIR G-2000 Plus User’s Guide IP Address 0.0.0.0 192.168.1.21 192.168.1.20 0.0.0.0 0.0.0.0 0.0.0.0...

  • Page 310: Figure 164 Nat Example 4

    ZyAIR G-2000 Plus User’s Guide Figure 164 NAT Example 4 Follow the steps outlined in example 3 to configure these two menus as follows Figure 165 Example 4: Menu 15.1.1.1 Address Mapping Rule. Menu 15.1.1.1 Address Mapping Rule Press ENTER to Confirm or ESC to Cancel: After you’ve configured your rule, you should be able to check the settings in menu 15.1.1 as...

  • Page 311: Configuring Trigger Port Forwarding

    Global Start IP Global End IP 192.168.1.12 10.132.50.1 Action= Edit Select Rule= Press ENTER to Confirm or ESC to Cancel: Note: Only one LAN computer can use a trigger port (range) at a time. ZyAIR G-2000 Plus User’s Guide Type 10.132.50.3 M:M NO OV...

  • Page 312: Figure 167 Menu 15.3 Trigger Port Setup

    ZyAIR G-2000 Plus User’s Guide Figure 167 Menu 15.3 Trigger Port Setup Menu 15.3 - Trigger Port Setup Rule Name ---------------------------------------------------------------------- Real Audio The following table describes the fields in this screen. Table 105 Menu 15.3 Trigger Port Setup FIELD...

  • Page 313: Chapter 29 Filter Configuration

    For incoming packets, your ZyAIR applies data filters only. Packets are processed depending upon whether a match is found. The following sections describe how to configure filter sets. Chapter 29 Filter Configuration ZyAIR G-2000 Plus User’s Guide H A P T E R Filter Configuration...

  • Page 314: The Filter Structure Of The Zyair

    ZyAIR G-2000 Plus User’s Guide 29.1.1 The Filter Structure of the ZyAIR A filter set consists of one or more filter rules. Usually, you would group related rules, e.g., all the rules for NetBIOS, into a single set and give it a descriptive name. The ZyAIR allows you to configure up to twelve filter sets with six rules in each set, for a total of 72 filter rules in the system.

  • Page 315: Configuring A Filter Set

    The ZyAIR includes filtering for NetBIOS over TCP/IP packets by default. To configure another filter set, follow the procedure below. 1 Enter 21 in the main menu to open menu 21. Chapter 29 Filter Configuration ZyAIR G-2000 Plus User’s Guide...

  • Page 316: Figure 170 Menu 21: Filter And Firewall Setup

    ZyAIR G-2000 Plus User’s Guide Figure 170 Menu 21: Filter and Firewall Setup Menu 21 - Filter and Firewall Setup Enter Menu Selection Number: 2 Enter 1 to bring up the following menu. Figure 171 Menu 21.1: Filter Set Configuration...

  • Page 317: Configuring A Filter Rule

    If you include a protocol filter set in a device filter field or vice versa, the ZyAIR will warn you and will not allow you to save. Chapter 29 Filter Configuration ZyAIR G-2000 Plus User’s Guide DESCRIPTION Protocol...

  • Page 318: Configuring A Tcp/Ip Filter Rule

    ZyAIR G-2000 Plus User’s Guide 29.2.2 Configuring a TCP/IP Filter Rule This section shows you how to configure a TCP/IP filter rule. TCP/IP rules allow you to base the rule on the fields in the IP and the upper layer protocol, for example, UDP and TCP headers.
  • Page 319 When you have Menu 21.1.1.1 - TCP/IP Filter Rule configured, press [ENTER] at the message “Press ENTER to Confirm” to save your configuration, or press [ESC] to cancel. This data will now be displayed on Menu 21.1.1 - Filter Rules Summary. Chapter 29 Filter Configuration ZyAIR G-2000 Plus User’s Guide OPTIONS 0-65535 None...

  • Page 320: Configuring A Generic Filter Rule

    ZyAIR G-2000 Plus User’s Guide The following figure illustrates the logic flow of an IP filter. Figure 173 Executing an IP Filter 29.2.3 Configuring a Generic Filter Rule This section shows you how to configure a generic filter rule. The purpose of generic rules is to allow you to filter non-IP packets.

  • Page 321: Figure 174 Menu 21.1.4.1 Generic Filter Rule

    Value= N/A More= No Log= None Action Matched= Check Next Rule Action Not Matched= Check Next Rule Press ENTER to Confirm or ESC to Cancel: ZyAIR G-2000 Plus User’s Guide OPTIONS Generic Filter Rule TCP/IP Filter Rule Yes / No...

  • Page 322: Example Filter

    ZyAIR G-2000 Plus User’s Guide Table 109 Generic Filter Rule Menu Fields FIELD DESCRIPTION More If Yes, a matching packet is passed to the next filter rule before an action is taken; else the packet is disposed of according to the action fields.

  • Page 323: Figure 176 Example Filter: Menu 21.1.3.1

    When you press [ENTER] to confirm, you will see the following screen. Note that there is only one filter rule in this set. Chapter 29 Filter Configuration ZyAIR G-2000 Plus User’s Guide Filter #: 3,1 Filter Type= TCP/IP Filter Rule...

  • Page 324: Filter Types And Nat

    ZyAIR G-2000 Plus User’s Guide Figure 177 Example Filter Rules Summary: Menu 21.1.3 # A Type - - ---- --------------------------------------------------------- - - - 1 Y IP Pr=6, SA=0.0.0.0, DA=0.0.0.0, DP=23 This shows you that you have configured and activated (A = Y) a TCP/IP filter rule (Type = IP, Pr = 6) for destination telnet ports (DP = 23).

  • Page 325: Firewall Versus Filters

    ZyAIR and output filter sets filter outgoing traffic from the ZyAIR. For PPPoE or PPTP encapsulation, you have the additional option of specifying remote node call filter sets. Chapter 29 Filter Configuration Note: If you do not activate the firewall, it is advisable to apply filters ZyAIR G-2000 Plus User’s Guide...

  • Page 326: Applying Remote Node Filters

    ZyAIR G-2000 Plus User’s Guide Figure 179 Filtering LAN Traffic Menu 3.1 - LAN Port Filter Setup Press ENTER to Confirm or ESC to Cancel: 29.6.2 Applying Remote Node Filters Go to menu 11.5 (shown below – note that call filter sets are only present for PPPoE encapsulation) and enter the number(s) of the filter set(s) as appropriate.

  • Page 327: Chapter 30 Enabling The Firewall

    [ENTER] to select Yes in the Active field to activate the firewall. The firewall must be active to protect against Denial of Service (DoS) attacks. Additional rules may be configured using the web configurator. Chapter 30 Enabling the Firewall H A P T E R Enabling the Firewall ZyAIR G-2000 Plus User’s Guide...

  • Page 328: Figure 181 Menu 21.2 Firewall Setup

    ZyAIR G-2000 Plus User’s Guide Figure 181 Menu 21.2 Firewall Setup The firewall protects against Denial of Service (DoS) attacks when it is active. Your network is vulnerable to attacks when the firewall is turned off. Refer to the User's Guide for details about the firewall default policies.

  • Page 329: Chapter 31 Snmp Configuration

    SNMP. The manager is the console through which network administrators perform network management functions. It executes applications that control and monitor managed devices. Chapter 31 SNMP Configuration H A P T E R SNMP Configuration ZyAIR G-2000 Plus User’s Guide...

  • Page 330: Supported Mibs

    ZyAIR G-2000 Plus User’s Guide The managed devices contain object variables/managed objects that define each piece of information to be collected about a device. Examples of variables include the number of packets received, node port status etc. A Management Information Base (MIB) is a collection of managed objects.

  • Page 331: Snmp Traps

    (defined in RFC-1215) Chapter 31 SNMP Configuration Community= public Destination= 0.0.0.0 DESCRIPTION A trap is sent after booting (power on). A trap is sent after booting (software reboot). A trap is sent when the port is up. ZyAIR G-2000 Plus User’s Guide...

  • Page 332: Table 112 Ports And Interface Types

    ZyAIR G-2000 Plus User’s Guide Table 111 SNMP Traps TRAP # TRAP NAME authenticationFailure (defined in RFC-1215) linkDown (defined in RFC-1215) The following table maps the physical port and encapsulation to the interface type, Table 112 Ports and Interface Types...

  • Page 333: Chapter 32 System Security

    32.1.2 Configuring External RADIUS Server Enter 23 in the main menu to display Menu 23 – System Security. Chapter 32 System Security ZyAIR G-2000 Plus User’s Guide H A P T E R System Security Menu 23 - System Security 1.

  • Page 334: Figure 185 Menu 23 System Security

    ZyAIR G-2000 Plus User’s Guide Figure 185 Menu 23 System Security Enter Menu Selection Number: From Menu 23- System Security, enter 2 to display Menu 23.2 – System Security – RADIUS Server as shown next. Figure 186 Menu 23.2 System Security : RADIUS Server Menu 23.2 - System Security - RADIUS Server...

  • Page 335: 334

    The key is not sent over the network. This key must be the same on the external accounting server and ZyAIR. Menu 23 - System Security ZyAIR G-2000 Plus User’s Guide...

  • Page 336: Figure 188 Menu 23.4 System Security : Ieee802.1X

    ZyAIR G-2000 Plus User’s Guide Figure 188 Menu 23.4 System Security : IEEE802.1x Wireless Port Control= Authentication Required ReAuthentication Timer (in second)= 1800 Idle Timeout (in second)= 3600 Key Management Protocol= 802.1x Dynamic WEP Key Exchange= 128-bit WEP PSK = N/A...
  • Page 337 When you configure Key Management Protocol to WPA, the Authentication Databases must be RADIUS Only. Select RADIUS Only to have the ZyAIR just check the user database on the specified RADIUS server for a wireless station's username and password. ZyAIR G-2000 Plus User’s Guide...
  • Page 338 ZyAIR G-2000 Plus User’s Guide Chapter 32 System Security...

  • Page 339: System Information And Diagnosis

    The following table describes the fields present in Menu 24.1 – System Maintenance – Status which are read-only and meant for diagnostic purposes. Chapter 33 System Information and Diagnosis ZyAIR G-2000 Plus User’s Guide H A P T E R Diagnosis...

  • Page 340: Figure 190 Menu 24.1 System Maintenance : Status

    This displays the device name. Routing Refers to the routing protocol used. ZyNOS F/W Refers to the ZyNOS (ZyXEL Network Operating System) system firmware Version version. ZyNOS is a registered trademark of ZyXEL Communications Corporation. 00:55:58 RxPkts Cols Tx B/s...

  • Page 341: System Information

    IP Mask: 255.255.255.0 DHCP: Server Press ESC or RETURN to Exit: DESCRIPTION Displays the system name of your ZyAIR. This information can be changed in Menu 1 – General Setup. Refers to the routing protocol used. ZyAIR G-2000 Plus User’s Guide...

  • Page 342: Console Port Speed

    2 From menu 24, type 3 to display Menu 24.3 – System Maintenance – Log and Trace. DESCRIPTION Refers to the ZyNOS (ZyXEL Network Operating System) system firmware version. ZyNOS is a registered trademark of ZyXEL Communications Corporation. Refers to the country code of the firmware.

  • Page 343: Unix Syslog

    Type the server name or IP address of the syslog server that will log the selected categories of logs. allows you to log the messages to different files in the syslog server. Refer to the documentation of your syslog program for more details. ZyAIR G-2000 Plus User’s Guide...

  • Page 344: Cdr

    ZyAIR G-2000 Plus User’s Guide 33.3.2.1 CDR SdcmdSyslogSend ( SYSLOG_CDR, SYSLOG_INFO, String); String = board xx line xx channel xx, call xx, str board = the hardware board ID line = the WAN ID in a board Channel = channel ID within the WAN...

  • Page 345: Filter Log

    Proto = LCP / ATCP / BACP / BCP / CBCP / CCP / CHAP/ PAP / IPCP / IPXCP Jul 19 11:42:44 192.168.102.2 ZyXEL: ppp:LCP Closing Jul 19 11:42:49 192.168.102.2 ZyXEL: ppp:IPCP Closing Jul 19 11:42:54 192.168.102.2 ZyXEL: ppp:CCP Closing Chapter 33 System Information and Diagnosis ZyAIR G-2000 Plus User’s Guide dpo=00021]}S04>R01mF...

  • Page 346: Firewall Log

    ZyAIR G-2000 Plus User’s Guide 33.3.2.5 Firewall log Firewall Log Message Format SdcmdSyslogSend(SYSLOG_FIREWALL, SYSLOG_NOTICE, buf); buf = IP[Src=xx.xx.xx.xx : spo=xxxx Dst=xx.xx.xx.xx : dpo=xxxx | prot | rule | action] Src: Source Address spo: Source port (empty means no source port information)

  • Page 347: Diagnostic

    Follow the procedure next to get to display this menu: 1 From the main menu, type 24 to open Menu 24 – System Maintenance. Chapter 33 System Information and Diagnosis ZyAIR G-2000 Plus User’s Guide Time: 17:02:44.262 = 20 = 0x00 (0)

  • Page 348: Wan Dhcp

    ZyAIR G-2000 Plus User’s Guide 2 From this menu, type 4. Diagnostic to open Menu 24.4 – System Maintenance – Diagnostic.Menu 24.4 System Maintenance : Diagnostic 33.4.1 WAN DHCP DHCP functionality can be enabled on the LAN or WAN as shown in LAN & WAN DHCP.
  • Page 349 WAN DHCP Renewal Get a new IP address from the DHCP server. Reboot System Host IP Address Chapter 33 System Information and Diagnosis DESCRIPTION Reboot the ZyAIR. If you typed 1 to Ping Host, now type the address of the computer you want to ping. ZyAIR G-2000 Plus User’s Guide...
  • Page 350 ZyAIR G-2000 Plus User’s Guide Chapter 33 System Information and Diagnosis...

  • Page 351: Firmware And Configuration File Maintenance

    ZyAIR only recognizes “rom-0” and “ras”. Be sure you keep unaltered copies of both files for later use. Chapter 34 Firmware and Configuration File Maintenance ZyAIR G-2000 Plus User’s Guide H A P T E R Maintenance...

  • Page 352: Backup Configuration

    ZyAIR G-2000 Plus User’s Guide The following table is a summary. Please note that the internal filename refers to the filename on the ZyAIR and the external filename refers to the filename not on the ZyAIR, that is, on your computer, local network or FTP site and so the name (but not the extension) will vary.

  • Page 353: Using The Ftp Command From The Dos Prompt

    ZyAIR to your computer and renames it “config.rom”. See earlier in this chapter for more information on filename conventions. 7 Enter “quit” to exit the FTP prompt. Chapter 34 Firmware and Configuration File Maintenance ZyAIR G-2000 Plus User’s Guide Press ENTER to Exit:...

  • Page 354: Gui-Based Ftp Clients

    ZyAIR G-2000 Plus User’s Guide Figure 199 FTP Session Example 331 Enter PASS command Password: 230 Logged in ftp> bin 200 Type I OK ftp> get rom-0 zyxel.rom 200 Port command okay 150 Opening data connection for STOR ras 226 File received OK ftp: 16384 bytes sent in 1.10Seconds...

  • Page 355: Backup Configuration Using Tftp

    “host” is the ZyAIR IP address, “get” transfers the file source on the ZyAIR (rom-0 name of the configuration file on the ZyAIR) to the file destination on the computer and renames it config.rom. Chapter 34 Firmware and Configuration File Maintenance ZyAIR G-2000 Plus User’s Guide...

  • Page 356: Gui-Based Tftp Clients

    ZyAIR G-2000 Plus User’s Guide 34.2.7 GUI-based TFTP Clients The following table describes some of the fields that you may see in third party TFTP clients. Table 121 General Commands for Third Party TFTP Clients COMMAND Host Send/Fetch Local File...

  • Page 357: Restore Using Ftp Session Example

    16384 bytes sent in 0.06Seconds 273.07Kbytes/sec. ftp>quit Refer to section 34.2.4 Chapter 34 Firmware and Configuration File Maintenance Menu 24.6 – Restore Configuration Press ENTER to Exit: to read about configurations that disallow TFTP and FTP over WAN. ZyAIR G-2000 Plus User’s Guide...

  • Page 358: Uploading Firmware And Configuration Files

    ZyAIR G-2000 Plus User’s Guide 34.4 Uploading Firmware and Configuration Files Menu 24.7 – System Maintenance – Upload Firmware allows you to upgrade the firmware and the configuration file. Figure 202 Menu 24.7 System Maintenance: Upload Firmware Menu 24.7 - System Maintenance - Upload Firmware 1.

  • Page 359: Configuration File Upload

    1 Launch the FTP client on your computer. 2 Enter “open” and the IP address of your ZyAIR. 3 Press [ENTER] when prompted for a username. Chapter 34 Firmware and Configuration File Maintenance ZyAIR G-2000 Plus User’s Guide Press ENTER to Exit: password...

  • Page 360: Tftp File Upload

    ZyAIR G-2000 Plus User’s Guide 4 Enter “root” and your SMT password as requested. The default is 1234. 5 Enter “bin” to set transfer mode to binary. 6 Use “put” to transfer files from the computer to the ZyAIR, e.g., put firmware.bin ras transfers the firmware on your computer (firmware.bin) to the ZyAIR and renames it...

  • Page 361: Example: Tftp Command

    – name of the firmware on the computer) to the file destination on the remote host (ras - name of the firmware on the ZyAIR). Commands that you may see in third party TFTP clients are listed earlier in this chapter. Chapter 34 Firmware and Configuration File Maintenance ZyAIR G-2000 Plus User’s Guide...
  • Page 362 ZyAIR G-2000 Plus User’s Guide Chapter 34 Firmware and Configuration File Maintenance...

  • Page 363: System Maintenance And Information

    System Maintenance. A list of valid commands can be found by typing help or ? at the command prompt. Type “exit” to return to the SMT main menu when finished. Chapter 35 System Maintenance and Information ZyAIR G-2000 Plus User’s Guide H A P T E R Information...

  • Page 364: Call Control Support

    ZyAIR G-2000 Plus User’s Guide Figure 206 Menu 24 System Maintenance Figure 207 Valid CI Commands Copyright (c) 1994 - 2004 ZyXEL Communications Corp. G-2000PLU> ? Valid commands are: exit pptp radius 8021x G-2000PLU> 35.2 Call Control Support The ZyAIR provides two call control functions: budget management and call history. Please note that this menu is only applicable when Encapsulation is set to PPPoE in menu 4 or menu 11.1.

  • Page 365: Budget Management

    11.1). The period is the time cycle in hours that the allocation budget is reset (see menu 11.1.) The elapsed time is the time used up within this period. ZyAIR G-2000 Plus User’s Guide Elapsed Time/Total Period No Budget...

  • Page 366: Time And Date Setting

    ZyAIR G-2000 Plus User’s Guide Figure 210 Menu 24.9.2 - Call History Phone Number The following table describes the fields in this menu. Table 123 Call History Fields FIELD DESCRIPTION Phone Number The PPPoE service names are shown here. This shows whether the call was incoming or outgoing.

  • Page 367: Figure 211 Menu 24.10 System Maintenance : Time And Date Setting

    If using daylight savings time, enter the month and day that it starts on. If using daylight savings time, enter the month and day that it ends on ZyAIR G-2000 Plus User’s Guide 01 : 00 : 37 01 : 00 : 34...

  • Page 368: Resetting The Time

    ZyAIR G-2000 Plus User’s Guide 35.3.1 Resetting the Time The ZyAIR resets the time in three instances: 1 On leaving menu 24.10 after making changes. 2 When the ZyAIR starts up, if there is a timeserver configured in menu 24.10.

  • Page 369: Chapter 36 Remote Management

    This chapter covers remote management (SMT menu 24.11). • ALL (LAN and WAN) • Neither (Disable). Note: When you Choose WAN only or ALL (LAN & WAN), you still need to configure a firewall rule to allow access. ZyAIR G-2000 Plus User’s Guide...

  • Page 370: Telnet

    ZyAIR G-2000 Plus User’s Guide Figure 212 Menu 24.11 – Remote Management Control TELNET Server: FTP Server: Web Server: SNMP Service: DNS Service: The following table describes the fields in this screen. Table 125 Menu 24.11 – Remote Management Control...

  • Page 371: Ftp

    5 There is a web remote management session running with a Telnet session. A Telnet session will be disconnected if you begin a web session; it will not begin if there already is a web session. 36.2 Remote Management and NAT When NAT is enabled: Chapter 36 Remote Management ZyAIR G-2000 Plus User’s Guide...

  • Page 372: System Timeout

    ZyAIR G-2000 Plus User’s Guide • Use the ZyAIR’s WAN IP address when configuring from the WAN. • Use the ZyAIR’s LAN IP address when configuring from the LAN. 36.3 System Timeout There is a system timeout of five minutes (300 seconds) for Telnet/web/FTP connections.

  • Page 373: Chapter 37 Call Scheduling

    Press ENTER to Confirm or ESC to Cancel: Note: To delete a schedule set, enter the set number and press [SPACE BAR] and then [ENTER] (or delete) in the Edit Name field. ZyAIR G-2000 Plus User’s Guide Name ----------------- _______________...

  • Page 374: Figure 215 Menu 26.1 Schedule Set Setup

    ZyAIR G-2000 Plus User’s Guide To setup a schedule set, select the schedule set you want to setup from menu 26 (1-12) and press [ENTER] to see Menu 26.1 — Schedule Set Setup as shown next. Figure 215 Menu 26.1 Schedule Set Setup Press Space Bar to Toggle.

  • Page 375: Figure 216 Applying Schedule Set(S) To A Remote Node (Pppoe)

    Edit IP= No Telco Option: Allocated Budget(min)= 0 Period(hr)= 0 Schedules= 1,2,3,4 Nailed-Up Connection= No Session Options: Edit Filter Sets= No Idle Timeout(sec)= 100 Edit Traffic Redirect= No Press ENTER to Confirm or ESC to Cancel: ZyAIR G-2000 Plus User’s Guide...
  • Page 376 ZyAIR G-2000 Plus User’s Guide Chapter 37 Call Scheduling...

  • Page 377: Appendix A Troubleshooting

    Make sure the LAN computer’s Ethernet adapter is installed and working properly. Verify that the IP address and the subnet mask of the ZyAIR, the Ethernet device and the LAN computers are on the same subnet. Appendix A ZyAIR G-2000 Plus User’s Guide Appendix A Troubleshooting...

  • Page 378: Table 129 Troubleshooting The Password

    ZyAIR G-2000 Plus User’s Guide Problems with the Password Table 129 Troubleshooting the Password PROBLEM CORRECTIVE ACTION I cannot access the The Password and Username fields are case-sensitive. Make sure that you enter the ZyAIR. correct password and username using the proper casing.

  • Page 379: Brute-Force Password Guessing Protection

    5 This command sets the password protection to block all access attempts for five minutes after the third time an incorrect password is entered. Appendix B ZyAIR G-2000 Plus User’s Guide Appendix B Protection Appendix F for information...
  • Page 380 ZyAIR G-2000 Plus User’s Guide Appendix B...

  • Page 381: Setting Up Your Computer's Ip Address

    IP addresses that place them in the same subnet as the ZyAIR’s LAN port. Windows 95/98/Me Click Start, Settings, Control Panel and double-click the Network icon to open the Network window Appendix C ZyAIR G-2000 Plus User’s Guide Appendix C...

  • Page 382: Figure 217 Windows 95/98/Me: Network: Configuration

    ZyAIR G-2000 Plus User’s Guide Figure 217 WIndows 95/98/Me: Network: Configuration Installing Components The Network window Configuration tab displays a list of installed components. You need a network adapter, the TCP/IP protocol and Client for Microsoft Networks. If you need the adapter: 1 In the Network window, click Add.

  • Page 383: Figure 218 Windows 95/98/Me: Tcp/Ip Properties: Ip Address

    If you do not know your DNS information, select Disable DNS. If you know your DNS information, select Enable DNS and type the information in the fields below (you may not need to fill them all in). ZyAIR G-2000 Plus User’s Guide...

  • Page 384: Figure 219 Windows 95/98/Me: Tcp/Ip Properties: Dns Configuration

    ZyAIR G-2000 Plus User’s Guide Figure 219 Windows 95/98/Me: TCP/IP Properties: DNS Configuration 4 Click the Gateway tab. • • 5 Click OK to save and close the TCP/IP Properties window. 6 Click OK to close the Network window. Insert the Windows CD if prompted.

  • Page 385: Figure 220 Windows Xp: Start Menu

    Figure 220 Windows XP: Start Menu 2 For Windows XP, click Network Connections. For Windows 2000/NT, click Network and Dial-up Connections. Figure 221 Windows XP: Control Panel 3 Right-click Local Area Connection and then click Properties. Appendix C ZyAIR G-2000 Plus User’s Guide...

  • Page 386: Figure 222 Windows Xp: Control Panel: Network Connections: Properties

    ZyAIR G-2000 Plus User’s Guide Figure 222 Windows XP: Control Panel: Network Connections: Properties 4 Select Internet Protocol (TCP/IP) (under the General tab in Win XP) and click Properties. Figure 223 Windows XP: Local Area Connection Properties 5 The Internet Protocol TCP/IP Properties window opens (the General tab in Windows XP).

  • Page 387: Figure 224 Windows Xp: Advanced Tcp/Ip Settings

    Automatic metric check box and type a metric in Metric. Click Add. Repeat the previous three steps for each default gateway you want to add. Click OK when finished. ZyAIR G-2000 Plus User’s Guide...

  • Page 388: Figure 225 Windows Xp: Internet Protocol (Tcp/Ip) Properties

    ZyAIR G-2000 Plus User’s Guide • • Figure 225 Windows XP: Internet Protocol (TCP/IP) Properties 8 Click OK to close the Internet Protocol (TCP/IP) Properties window. 9 Click OK to close the Local Area Connection Properties window. 10Turn on your ZyAIR and restart your computer (if prompted).

  • Page 389: Figure 226 Macintosh Os 8/9: Apple Menu

    Figure 226 Macintosh OS 8/9: Apple Menu 2 Select Ethernet built-in from the Connect via list. Figure 227 Macintosh OS 8/9: TCP/IP 3 For dynamically assigned settings, select Using DHCP Server from the Configure: list. Appendix C ZyAIR G-2000 Plus User’s Guide...

  • Page 390: Figure 228 Macintosh Os X: Apple Menu

    ZyAIR G-2000 Plus User’s Guide 4 For statically assigned settings, do the following: • • • • 5 Close the TCP/IP Control Panel. 6 Click Save if prompted, to save changes to your configuration. 7 Turn on your ZyAIR and restart your computer (if prompted).

  • Page 391: Figure 229 Macintosh Os X: Network

    From the Configure box, select Manually. Type your IP address in the IP Address box. Type your subnet mask in the Subnet mask box. Type the IP address of your ZyAIR in the Router address box. ZyAIR G-2000 Plus User’s Guide...
  • Page 392 ZyAIR G-2000 Plus User’s Guide Appendix C...

  • Page 393: Ip Address Assignment Conflicts

    In the following figure, the ZyAIR is acting as a DHCP server. The ZyAIR assigns an IP address, which is the same as its LAN port IP address, to a DHCP client attached to the LAN. Appendix D ZyAIR G-2000 Plus User’s Guide Appendix D...

  • Page 394: Figure 231 Ip Address Conflicts: Case B

    ZyAIR G-2000 Plus User’s Guide Figure 231 IP Address Conflicts: Case B To solve this problem, make sure the ZyAIR LAN IP address is not in the DHCP IP address pool. Case C: The Subscriber IP address is the same as the IP...

  • Page 395: Figure 233 Ip Address Conflicts: Case D

    ZyAIR G-2000 Plus User’s Guide In this case, the subscribers are not able to access the Internet. Figure 233 IP Address Conflicts: Case D This problem can be solved by adding a VLAN-enabled switch or set the computers to obtain IP addresses dynamically.
  • Page 396 ZyAIR G-2000 Plus User’s Guide Appendix D...

  • Page 397: Appendix Eip Subnetting

    Network number Note: Host IDs of all zeros or all ones are not allowed. –2 or 254 hosts. –2 or 65534 hosts. –2 hosts (approximately 16 million hosts). ZyAIR G-2000 Plus User’s Guide Appendix E IP Subnetting OCTET 3 OCTET 4...

  • Page 398: Table 134 Allowed Ip Address Range By Class

    ZyAIR G-2000 Plus User’s Guide Since the first octet of a class “A” IP address must contain a “0”, the first octet of a class “A” address can have a value of 0 to 127. Similarly the first octet of a class “B” must begin with “10”, therefore the first octet of a class “B”...

  • Page 399: Table 136 Alternative Subnet Mask Notation

    The first three octets of the address make up the network number (class “C”). You want to have two separate networks. Appendix E SUBNET MASK “1” BITS NETWORK NUMBER 192.168.1. 11000000.10101000.00000001. 255.255.255. 11111111.11111111.11111111. ZyAIR G-2000 Plus User’s Guide LAST OCTET BIT VALUE 0000 0000 1000 0000 1100 0000 1110 0000 1111 0000 1111 1000 1111 1100...

  • Page 400: Table 138 Subnet 1

    ZyAIR G-2000 Plus User’s Guide Divide the network 192.168.1.0 into two separate subnets by converting one of the host ID bits of the IP address to a network number bit. The “borrowed” host ID bit can be either “0” or “1”...

  • Page 401: Table 140 Subnet 1

    IP Address (Binary) Subnet Mask (Binary) Subnet Address: 192.168.1.128 Broadcast Address: 192.168.1.191 Appendix E ZyAIR G-2000 Plus User’s Guide -2 or 62 hosts for each subnet (all 0’s is the subnet itself, all NETWORK NUMBER 192.168.1. 11000000.10101000.00000001. 11111111.11111111.11111111. Lowest Host ID: 192.168.1.1 Highest Host ID: 192.168.1.62...

  • Page 402: Table 143 Subnet 4

    ZyAIR G-2000 Plus User’s Guide Table 143 Subnet 4 IP Address IP Address (Binary) Subnet Mask (Binary) Subnet Address: 192.168.1.192 Broadcast Address: 192.168.1.255 Example Eight Subnets Similarly use a 27-bit mask to create 8 subnets (001, 010, 011, 100, 101, 110).

  • Page 403: Table 146 Class B Subnet Planning

    The following table is a summary for class “B” subnet planning. Table 146 Class B Subnet Planning NO. “BORROWED” HOST BITS Appendix E ZyAIR G-2000 Plus User’s Guide 133) available for subnetting. SUBNET MASK NO. SUBNETS 255.255.128.0 (/17) 255.255.192.0 (/18) 255.255.224.0 (/19)
  • Page 404 ZyAIR G-2000 Plus User’s Guide Appendix E...

  • Page 405: Appendix F Command Interpreter

    A list of valid commands can be found by typing help or ? at the command prompt. Always type the full command. Type exit to return to the SMT main menu when finished. Appendix F ZyAIR G-2000 Plus User’s Guide Appendix F Command Interpreter...
  • Page 406 ZyAIR G-2000 Plus User’s Guide Appendix F...

  • Page 407: Appendix G Log Descriptions

    Someone has logged on to the router via telnet. Someone has failed to log on to the router via telnet. Someone has logged on to the router via FTP. Someone has failed to log on to the router via FTP. ZyAIR G-2000 Plus User’s Guide Appendix G...

  • Page 408: Table 150 Sys Log

    ZyAIR G-2000 Plus User’s Guide Table 149 ICMP Notes (continued) TYPE CODE DESCRIPTION A packet that needed fragmentation was dropped because it was set to Don't Fragment (DF) Source route failed Source Quench A gateway may discard internet datagrams if it does not have the buffer space needed to queue the datagrams for output to the next network on the route to the destination network.

  • Page 409: Table 151 Log Categories And Available Settings

    0, 1 0, 1 0, 1 0, 1 0, 1 0, 1, 2, 3 0, 1 to record only logs for that category, to record both logs and alerts for that category. ZyAIR G-2000 Plus User’s Guide to record only...

  • Page 410: Log Command Example

    ZyAIR G-2000 Plus User’s Guide Log Command Example This example shows how to set the ZyAIR to record the error logs and alerts and then view the results. ras> sys logs load ras> sys logs category error 3 ras> sys logs save ras>...

  • Page 411: Wireless Lan And Ieee 802.11

    (FHSS), in the 2.4 to 2.4825 GHz unlicensed ISM (Industrial, Scientific and Medical) band. The third method is infrared technology, using very high frequencies, just below visible light in the electromagnetic spectrum to carry data. Appendix H ZyAIR G-2000 Plus User’s Guide Appendix H...

  • Page 412: Figure 234 Peer-To-Peer Communication In An Ad-Hoc Network

    ZyAIR G-2000 Plus User’s Guide Ad-hoc Wireless LAN Configuration The simplest WLAN configuration is an independent (Ad-hoc) WLAN that connects a set of computers with wireless nodes or stations (STA), which is called a Basic Service Set (BSS). In the most basic form, a wireless LAN connects a set of computers with wireless adapters. Any...

  • Page 413: Figure 235 Ess Provides Campus-Wide Coverage

    ZyAIR G-2000 Plus User’s Guide Figure 235 ESS Provides Campus-Wide Coverage Appendix H...
  • Page 414 ZyAIR G-2000 Plus User’s Guide Appendix H...

  • Page 415: Wireless Lan With Ieee 802.1X

    RADIUS server. • Support for EAP (Extensible Authentication Protocol, RFC 2486) that allows additional authentication methods to be deployed with no changes to the access point or the wireless clients. Appendix I ZyAIR G-2000 Plus User’s Guide Appendix I...

  • Page 416: Figure 236 Sequences For Eap Md5-Challenge Authentication

    ZyAIR G-2000 Plus User’s Guide RADIUS Server Authentication Sequence The following figure depicts a typical wireless network with a remote RADIUS server for user authentication using EAPOL (EAP Over LAN). Figure 236 Sequences for EAP MD5–Challenge Authentication Mutual Authentication with Internal RADIUS server.

  • Page 417: Figure 237 Sequences For Peap, Ms-Chap V2 Authentication

    ZyAIR G-2000 Plus User’s Guide Figure 237 Sequences for PEAP, MS–CHAP V2 Authentication Appendix I...
  • Page 418 ZyAIR G-2000 Plus User’s Guide Appendix I...

  • Page 419: Types Of Eap Authentication

    For client authentication, EAP-TTLS supports EAP methods and legacy authentication methods such as PAP, CHAP, MS-CHAP and MS-CHAP v2. Appendix J ZyAIR G-2000 Plus User’s Guide Appendix J...

  • Page 420: Table 152 Comparison Of Eap Authentication Types

    ZyAIR G-2000 Plus User’s Guide PEAP (Protected EAP) Like EAP-TTLS, server-side certificate authentication is used to establish a secure connection, then use simple username and password methods through the secured connection to authenticate the clients, thus hiding client identity. However, PEAP only supports EAP methods, such as EAP-MD5, EAP-MSCHAPv2 and EAP-GTC (EAP-Generic Token Card), for client authentication.

  • Page 421: Antenna Selection And Positioning Recommendation

    Types of Antennas For WLAN There are two types of antennas used for wireless LAN applications. Appendix K ZyAIR G-2000 Plus User’s Guide Appendix K Recommendation...

  • Page 422: Positioning Antennas

    ZyAIR G-2000 Plus User’s Guide • Omni-directional antennas send the RF signal out in all directions on a horizontal plane. The coverage area is torus-shaped (like a donut) which makes these antennas ideal for a room environment. With a wide coverage area, it is possible to make circular overlapping coverage areas with multiple access points.

  • Page 423: Power Adaptor Specifications

    Safety Standards Table 157 Japan PLUG STANDARDS AC Power Adaptor Model Input Power Output Power Power Consumption Safety Standards Appendix L ZyAIR G-2000 Plus User’s Guide Appendix L AD48-1201200DUY AC120Volts/60Hz/0.25A DC12Volts/1.2A 10 W UL, CUL (UL 1950, CSA C22.2 No.234-M90) DV-121A2-5720 AC120Volts/60Hz/27VA DC12Volts/1.2A...

  • Page 424: Table 158 Australia And New Zealand Plug Standards

    ZyAIR G-2000 Plus User’s Guide Table 158 Australia and New Zealand plug standards AC Power Adaptor Model Input Power Output Power Power Consumption Safety Standards AD-1201200DS or AD-121200DS AC240Volts/50Hz/0.2A DC12Volts/1.2A 10 W NATA (AS 3260) Appendix L...
  • Page 425 Cost Of Transmission CPU Load Custom Ports Creating/Editing Data Encryption Data encryption Default Denial of Service 179, 180, 326 Denmark, Contact Information Destination Address DHCP 65, 70, 71, 73, 242, 243, 341 Diagnostic Diagnostic Tools ZyAIR G-2000 Plus User’s Guide Index...
  • Page 426 ZyAIR G-2000 Plus User’s Guide Direct Sequence Spread Spectrum Distribution System Domain Name Basics Types DSSS Dynamic DNS 65, 259 Dynamic WEP Key Exchange DYNDNS Wildcard EAP Authentication 101, 418 ECHO Edit IP Encapsulation 281, 285 Encryption Error Log Error/Information Messages...
  • Page 427 How NAT Works Mapping Types Non NAT Friendly Application Programs Ordering Rules Server Sets What NAT does Network Address Translation (NAT) Network Management NNTP North America Contact Information Norway, Contact Information ZyAIR G-2000 Plus User’s Guide 112, 270 162, 329 41, 142...
  • Page 428 ZyAIR G-2000 Plus User’s Guide One to One Outside Packet Filtering Packet Filtering Firewalls Packets Password 67, 252, 253, 257, 275, 329 Period(hr) Ping Ping of Death Point-to-Point Tunneling Protocol 129, 142 POP3 142, 180 Port Numbers PPPoE Encapsulation 278, 280, 283, 284...
  • Page 429 Telnet Under NAT TFTP Restrictions TFTP File Transfer TFTP Restrictions Three-Way Handshake Time and Date Setting Time Setting Time Zone Index ZyAIR G-2000 Plus User’s Guide Timeout 277, 278, 284 Trace Records Traceroute Traffic Redirect Trigger Port Forwarding Process Troubleshooting Accessing ZyAIR...
  • Page 430 ZyAIR G-2000 Plus User’s Guide Wizard Setup 48, 49, 50 WLAN Worldwide Contact Information 37, 93 WPA with RADIUS Application WPA-PSK Application www.dyndns.org ZyAIR LED ZyNOS ZyNOS F/W Version ZyXEL’s Firewall Introduction Index...

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