ZyXEL Communications P-2812HNU-51c User Manual

Dual wan vdsl2 iad with 802.11n wireless
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P-2812HNU-51c
Dual WAN VDSL2 IAD with 802.11n Wireless
Default Login Details
IP Address
https://192.168.1.1
User Name
Admin account: admin
User account: user
Password
Admin account: 1234
User account: user
Firmware Version 1.0
www.zyxel.com
Edition 1, 02/2010
www.zyxel.com
Copyright © 2010
ZyXEL Communications Corporation

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Summary of Contents for ZyXEL Communications P-2812HNU-51c

  • Page 1 Dual WAN VDSL2 IAD with 802.11n Wireless Default Login Details IP Address https://192.168.1.1 User Name Admin account: admin User account: user Password Admin account: 1234 User account: user Firmware Version 1.0 www.zyxel.com Edition 1, 02/2010 www.zyxel.com Copyright © 2010 ZyXEL Communications Corporation...
  • Page 3: About This User's Guide

    About This User's Guide About This User's Guide Intended Audience This manual is intended for people who want to configure the P-2812HNU-51c using the web configurator. Related Documentation • Quick Start Guide The Quick Start Guide is designed to help you get up and running right away. It contains information on setting up your network and configuring for Internet access.
  • Page 4 • 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. P-2812HNU-51c User’s Guide...
  • Page 5: Document Conventions

    Syntax Conventions • The P-2812HNU-51c may be referred to as the “P-2812HNU-51c”, the “device”, the “system” or the “product” in this User’s Guide. • Product labels, screen names, field labels and field choices are all in bold font.
  • Page 6 Icons Used in Figures Figures in this User’s Guide may use the following generic icons. The P-2812HNU- 51c icon is not an exact representation of your device. P-2812HNU-51c Computer Notebook computer Server DSLAM Firewall Telephone Switch Router P-2812HNU-51c User’s Guide...
  • Page 7: Safety Warnings

    Your product is marked with this symbol, which is known as the WEEE mark. WEEE stands for Waste Electronics and Electrical Equipment. It means that used electrical and electronic products should not be mixed with general waste. Used electrical and electronic equipment should be treated separately. P-2812HNU-51c User’s Guide...
  • Page 8 Safety Warnings P-2812HNU-51c User’s Guide...
  • Page 9: Table Of Contents

    Contents Overview Contents Overview User’s Guide ........................... 19 Introducing the P-2812HNU-51c ....................21 Tutorials ............................. 29 Introducing the Web Configurator ....................67 Technical Reference ......................73 Status Screens .......................... 75 WAN Setup ..........................89 LAN Setup ..........................119 Wireless LAN ........................... 127 Network Address Translation (NAT) ..................
  • Page 10 Contents Overview P-2812HNU-51c User’s Guide...
  • Page 11: Table Of Contents

    Introducing the P-2812HNU-51c .................... 21 1.1 Overview ..........................21 1.2 Ways to Manage the P-2812HNU-51c ................21 1.3 Good Habits for Managing the P-2812HNU-51c ..............22 1.4 Applications for the P-2812HNU-51c .................. 22 1.4.1 Internet Access ......................22 1.4.2 VoIP Features ......................24 1.4.3 P-2812HNU-51c’s USB Support ................
  • Page 12 5.3 Before You Begin ......................... 91 5.4 The Layer 2 Interface Screen ....................91 5.4.1 Layer 2 Interface Configuration .................. 93 5.5 The Internet Connection Screen ..................96 5.5.1 WAN Connection Configuration ................. 98 5.6 Technical Reference ......................110 P-2812HNU-51c User’s Guide...
  • Page 13 8.2 What You Need to Know ....................159 8.3 The Port Forwarding Screen ..................... 160 8.3.1 The Port Forwarding Edit Screen ................162 8.4 The Trigger Port Screen ....................163 8.4.1 Trigger Port Configuration ..................166 8.5 The DMZ Host Screen ....................... 168 P-2812HNU-51c User’s Guide...
  • Page 14 11.1.1 What You Can Do in this Chapter ................211 11.2 What You Need to Know ....................211 11.3 The Firewall Screen ......................212 11.3.1 Creating Incoming Firewall Rules ................. 214 Chapter 12 Certificate ..........................217 12.1 Overview .......................... 217 P-2812HNU-51c User’s Guide...
  • Page 15 16.4 The Queue Setup Screen ....................241 16.4.1 Adding a QoS Queue .................... 243 16.5 The Class Setup Screen ....................244 16.5.1 QoS Class Edit ...................... 246 16.6 The QoS Monitor Screen ....................250 16.7 Technical Reference ......................251 P-2812HNU-51c User’s Guide...
  • Page 16 Interface Group ........................279 21.1 Overview .......................... 279 21.1.1 What You Can Do in this Chapter ................279 21.2 The Interface Group Screen .................... 279 21.2.1 Interface Group Configuration ................281 21.2.2 Interface Grouping Criteria ..................282 P-2812HNU-51c User’s Guide...
  • Page 17 25.5 The OAM Ping Test Screen ..................... 305 Chapter 26 Troubleshooting........................307 26.1 Power, Hardware Connections, and LEDs ..............307 26.2 P-2812HNU-51c Access and Login ................. 308 26.3 Internet Access ........................ 310 26.4 Phone Calls and VoIP ...................... 312 26.5 USB Device Connection ....................313 26.6 Wireless LAN Troubleshooting ..................
  • Page 18 Appendix C Pop-up Windows, JavaScripts and Java Permissions ........367 Appendix D IP Addresses and Subnetting ................377 Appendix E Wireless LANs ....................389 Appendix F Common Services..................... 405 Appendix G Open Software Announcements............... 409 Appendix H Legal Information ....................423 Index............................427 P-2812HNU-51c User’s Guide...
  • Page 19: User's Guide

    User’s Guide...
  • Page 21: Introducing The P-2812Hnu-51C

    IEEE 802.11b/g/n wireless LAN connectivity. • “U” denotes a USB port used to share files via a USB memory stick or a USB hard drive. The P-2812HNU-51c can also function as a print server with an USB printer connected.
  • Page 22: Good Habits For Managing The P-2812Hnu-51C

    Internet via an Ethernet connection and still use the QoS, Firewall and VoIP functions on the P-2812HNU-51c. You can have up to eight WAN services over one ADSL, VDSL or Ethernet WAN line. The P-2812HNU-51c cannot work in ADSL, VDSL and Ethernet WAN mode at the same time.
  • Page 23 PPPoE Ethernet You can also configure IP filtering on the P-2812HNU-51c for secure Internet access. When the IP filter is on, all incoming traffic from the Internet to your network is blocked by default unless it is initiated from your network. This means that probes from the outside to your network are not allowed, but you can safely browse the Internet and download files.
  • Page 24: Voip Features

    P-2812HNU-51c to make and receive VoIP telephone calls: Figure 2 P-2812HNU-51c’s VoIP Application PSTN • Calls via a VoIP service provider (A) - The P-2812HNU-51c sends your call to a VoIP service provider’s SIP server which forwards your calls to either VoIP or PSTN phones.
  • Page 25: Leds (Lights)

    Chapter 1 Introducing the P-2812HNU-51c 1.5 LEDs (Lights) The following graphic displays the labels of the LEDs. Figure 4 LEDs on the Device P-2812HNU-51c User’s Guide...
  • Page 26 Chapter 1 Introducing the P-2812HNU-51c None of the LEDs are on if the P-2812HNU-51c is not receiving power. Table 1 LED Descriptions COLO STATUS DESCRIPTION PWR/SYS Green The P-2812HNU-51c is receiving power and ready for use. Blinking The P-2812HNU-51c is self-testing.
  • Page 27: The Reset Button

    The DSL line is down. INTERNET Green The P-2812HNU-51c has an IP connection but no traffic. Your device has a WAN IP address (either static or assigned by a DHCP server), PPP negotiation was successfully completed (if used) and the DSL connection is up.
  • Page 28: The Wps Button

    WLAN/WPS LED should flash while the P-2812HNU-51c sets up a WPS connection with the wireless device. Note: You must activate WPS in the P-2812HNU-51c and in another wireless device within two minutes of each other. See Section 7.10.4 on page 151 for more information.
  • Page 29: Tutorials

    An access point (AP) or wireless router is referred to as “AP” and a computer with a wireless network card or USB/PCI adapter is referred to as “wireless client” here. We use the P-2812HNU-51c web screens and M-302 utility screens as an example. The screens may vary slightly for different models.
  • Page 30: Configuring The Ap

    Figure 5 AP: Wireless LAN Make sure the Active Wireless LAN check box is selected. Enter “SSID_Example3” as the SSID and select Auto to have the P-2812HNU-51c automatically determine a channel which is not used by another AP. Set security mode to WPA-PSK and enter “ThisismyWPA-PSKpre-sharedkey” in the Pre-Shared Key field.
  • Page 31 Mode field. Click Apply. Figure 6 AP: Wireless LAN > Advanced Setup Open the Status screen.Verify your wireless and wireless security settings under Device Information and check if the WLAN connection is up under Interface Status. Figure 7 AP: Status P-2812HNU-51c User’s Guide...
  • Page 32: Configuring The Wireless Client

    • Configure nothing and leave the wireless client to automatically scan for and connect to any available network that has no wireless security configured. • Manually connect to a network. • Configure a profile to have the wireless client automatically connect to a specific network or peer computer. P-2812HNU-51c User’s Guide...
  • Page 33 Scan if you want to search again. If no entry displays in the Available Network List, that means there is no wireless network available within range. Make sure the AP or peer computer is turned on or move the wireless client closer to the AP or peer computer. P-2812HNU-51c User’s Guide...
  • Page 34 Exit button to return to the Site Survey screen. Figure 10 ZyXEL Utility: Security Settings The Confirm Save window appears. Check your settings and click Save to continue. Figure 11 ZyXEL Utility: Confirm Save P-2812HNU-51c User’s Guide...
  • Page 35: Creating And Using A Profile

    This example illustrates how to set up a profile and connect the wireless client to an access point configured for WPA-PSK security. In this example, the SSID is “SSID_Example3”, the profile name is “PN_Example3” and the pre-shared key is “ThisismyWPA-PSKpre-sharedkey”. You have chosen the profile name “PN_Example3”. P-2812HNU-51c User’s Guide...
  • Page 36 Figure 14 ZyXEL Utility: Add New Profile Give the profile a descriptive name (of up to 32 printable ASCII characters). Select Infrastructure and either manually enter or select the AP's SSID in the Scan Info table and click Select. P-2812HNU-51c User’s Guide...
  • Page 37 This screen varies depending on the encryption method you selected in the previous screen. Enter the pre-shared key and leave the encryption type at the default setting. Figure 16 ZyXEL Utility: Profile Encryption In the next screen, leave both boxes checked. Figure 17 Profile: Wireless Protocol Settings. P-2812HNU-51c User’s Guide...
  • Page 38 11 If you cannot access the Internet go back to the Profile screen, select the profile you are using and click Edit. Check the details you entered previously. Also, refer to the Troubleshooting section of this User's Guide or contact your network administrator if necessary. P-2812HNU-51c User’s Guide...
  • Page 39: How To Use Atm Qos With Multiple Pvcs And Interface Groups

    Note: Voice traffic will not be affected by the user-defined QoS settings on the P- 2812HNU-51c. It always gets the highest priority. The P-2812HNU-51c allows you to have more than one PVC using the ATM layer-2 interface. You can apply different ATM QoS settings to traffic through different PVCs.
  • Page 40: Configuring Pvcs

    0/34 atm2 IPoE (ipoe_0_0_34) Note: Make sure you set the DSL/WAN switch (on the back of the P-2812HNU-51c) to the DSL side. Click Network > WAN > Layer 2 Interface. Select ATM from the Interface drop-down list and click Add.
  • Page 41 Select Non Realtime VBR in the Service Category field. Set the Peak Cell Rate as 1415 (divide the bandwidth 600000 bps by 424) and set both the Sustainable Cell Rate and Maximum Burst Size as 1414 (which is less than the peak cell rate). P-2812HNU-51c User’s Guide...
  • Page 42 Chapter 2 Tutorials Click Apply/Save to save the changes and go back to the Layer 2 Interface screen. P-2812HNU-51c User’s Guide...
  • Page 43 2.3.1.1 Internet Connection Settings for PVC 1 Click Network > WAN > Internet Connection to configure WAN connection settings for PVC 1. Click Add. Select PVC 1 (atm1/0_0_33) as the layer-2 interface. Click Next. Select PPP over Ethernet and click Next. P-2812HNU-51c User’s Guide...
  • Page 44 Remove the existing interfaces in the Selected Default Gateway Interfaces list. Select and move a WAN interface (ppp0 in this example) to the Selected Default Gateway Interfaces list to use that interface as the default gateway. Click Next. P-2812HNU-51c User’s Guide...
  • Page 45 Server Interfaces list. Select and move a WAN interface (ppp0 in this example) to the Selected DNS Server Interfaces list to use that interface as the system DNS server. Click Next. The summary screen displays. Click Apply/Save to save your changes and go back to the Internet Connection screen. P-2812HNU-51c User’s Guide...
  • Page 46 2.3.1.2 Internet Connection Settings for PVC 2 Click Add in the WAN > Internet Connection screen to configure WAN connection settings for PVC 2. Select PVC 2 (atm2/0_0_34) as the layer-2 interface. Click Next. Select IP over Ethernet and click Next. P-2812HNU-51c User’s Guide...
  • Page 47 Chapter 2 Tutorials Select Obtain an IP address automatically and click Next. Select Enable NAT and click Next. P-2812HNU-51c User’s Guide...
  • Page 48 Select the first option. Remove the existing interfaces in the Selected DNS Server Interfaces list. Select and move a WAN interface (atm2 in this example) to the Selected DNS Server Interfaces list to use that interface as the system DNS server. Click Next. P-2812HNU-51c User’s Guide...
  • Page 49: Setting Interface Groups

    Internet Connection screen. The Internet Connection screen should look like the following. 2.3.2 Setting Interface Groups This part shows examples of creating multiple networks groups with the WAN services that you have configured in the previous section. P-2812HNU-51c User’s Guide...
  • Page 50 Note: Before configuring interface groups, make sure you are connected to LAN 4 which will not be in a group other than the default group. Otherwise, you need to use the IP address of the new group to access the P-2812HNU-51c after you apply the changes.
  • Page 51 <- to add it to the Grouped LAN Interfaces. Click Apply to finish the settings and go back to the Interface Group screen. GR1 has been added successfully to the interface group list. Click Add to create another interface group: GR2. P-2812HNU-51c User’s Guide...
  • Page 52 WAN Interface list. Select LAN2 and LAN3 from the Available LAN Interfaces list and click <- to add them to the Grouped LAN Interfaces. Click Apply to finish the settings and go back to the Interface Group screen. P-2812HNU-51c User’s Guide...
  • Page 53: Configuring Interface Group Ip

    GR2 has been added successfully to the interface group list. The screen should look like the following. 2.3.3 Configuring Interface Group IP Follow the steps below to configure the P-2812HNU-51c’s LAN IP address and DHCP settings for each group. P-2812HNU-51c User’s Guide...
  • Page 54 Click Network > LAN. Select GR1 from the GroupName drop-down list. The IP Address (192.168.2.1) and IP Subnet Mask (255.255.255.0) are obtained automatically. Select Active DHCP and DHCP Server to have the ZyXEL Device act as the DHCP server for the network. Click Apply to save your changes. P-2812HNU-51c User’s Guide...
  • Page 55: Testing The Dsl Connection Groups

    If you can access Internet by using this DSL connection, GR1 is successfully configured. To test GR2, connect your computer to LAN2 or LAN3 of the P-2812HNU-51c. After a few seconds, the IP address of your computer should be renewed to 192.168.3.x automatically.
  • Page 56: How To Allow Out-Of-Band Remote Management From The Wan

    2.4.1 Configuring Multiple WAN Connections Follow the steps below to configure two VDSL connections. Make sure you set the DSL/WAN switch (on the back of the P-2812HNU-51c) to the DSL side. By default, there is a PTM layer-2 interface in VLAN MUX mode configured already on the P-2812HNU-51c.
  • Page 57 Chapter 2 Tutorials DSL Connection for Internet Access Go to the WAN > Internet Connection screen. Click Add. Select ptm0/(0_0_1) as the layer-2 interface. Click Next. P-2812HNU-51c User’s Guide...
  • Page 58 2 and VLAN ID to 200. Click Next. Enter the user name (user@isp.net for example), password (qwert12345 for example) and service name (isp.net for example) for the PPP connection. Click Next. P-2812HNU-51c User’s Guide...
  • Page 59 Select the first option. Remove the existing interfaces in the Selected DNS Server Interfaces list. Select and move a WAN interface (ppp0.200 in this example) to the Selected DNS Server Interfaces list to use that interface as the system DNS server. Click Next. P-2812HNU-51c User’s Guide...
  • Page 60 The summary screen displays. The VLAN ID is appended to the service name you specified automatically. Click Apply/Save to save your changes and go back to the Internet Connection screen. DSL Connection for Remote Management Go to the WAN > Internet Connection screen. Click Add. P-2812HNU-51c User’s Guide...
  • Page 61 Chapter 2 Tutorials Select ptm0/(0_0_1) as the layer-2 interface. Click Next. Select IP over Ethernet, enter a descriptive service name (RemoteMgmt in this example), and set the priority level to 7 and VLAN ID to 300. Click Next. P-2812HNU-51c User’s Guide...
  • Page 62 Chapter 2 Tutorials Select Obtain an IP address automatically and click Next. Make sure Enable NAT is not selected and click Next. P-2812HNU-51c User’s Guide...
  • Page 63 WAN Interfaces list to not have the clients use this interface as the default gateway. Click Next. Select the first option. Keep the WAN interface (ptm0.300 in this example) in the Available WAN Interfaces list to not have the clients use this interface as the system DNS server. Click Next. P-2812HNU-51c User’s Guide...
  • Page 64 The summary screen displays. Click Apply/Save to save your changes and go back to the Internet Connection screen. The VLAN ID is appended to the service name you specified automatically. The Internet Connection screen should look like the following. P-2812HNU-51c User’s Guide...
  • Page 65: Configuring Remote Management

    The WAN Service Ststistics screen displays. Check if any packets are transmitted or received through the two WAN connections you just configured. 2.4.2 Configuring Remote Management Follow the steps below to not allow access to the P-2812HNU-51c from the LAN. P-2812HNU-51c User’s Guide...
  • Page 66: Testing The Connection

    LAN anymore. Check if you can use the WAN IP address for the RemoteMgmt WAN connection to access the P-2812HNU-51c. You should also be able to access the Internet using the computer which is connected to the P-2812HNU-51c’s LAN port.
  • Page 67: Introducing The Web Configurator

    Internet Explorer. 3.1.1 Accessing the Web Configurator Make sure your P-2812HNU-51c hardware is properly connected (refer to the Quick Start Guide). Launch your web browser. Type "https://192.168.1.1" as the URL.
  • Page 68: Web Configurator Main Screen

    The password displays in non-readable characters. If you have changed the password, enter your password and click OK. Click Cancel to revert to the default password in the password field. Figure 20 Password Screen 3.2 Web Configurator Main Screen Figure 21 Main Screen P-2812HNU-51c User’s Guide...
  • Page 69: Navigation Panel

    WAN connection. Use this screen to make your local servers visible to the outside world. Trigger Port Use this screen to change your P-2812HNU-51c’s port triggering settings. DMZ Host Use this screen to configure a default server which receives packets from ports that are not specified in the Port Forwarding screen.
  • Page 70 LINK FUNCTION VoIP SIP Account Use this screen to configure your P-2812HNU-51c’s Voice over IP settings. Use this screen to set which phone ports use which SIP accounts. SIP Service Use this screen to configure the SIP server information, QoS for...
  • Page 71: Main Window

    Chapter 3 Introducing the Web Configurator Table 6 Navigation Panel Summary LINK FUNCTION Remote TR069 Use this screen to configure the P-2812HNU-51c to be managed MGMT by an ACS (Auto Configuration Server). TR064 Use this screen to enable management via TR-064 on the LAN. SNMP Use this screen to to configure your P-2812HNU-51c's settings for Simple Network Management Protocol management.
  • Page 72: Status Bar

    Chapter 3 Introducing the Web Configurator 3.2.3 Status Bar Check the status bar when you click Apply or OK to verify that the configuration has been updated. P-2812HNU-51c User’s Guide...
  • Page 73: Technical Reference

    Technical Reference...
  • Page 75: Status Screens

    Status Screens 4.1 Overview Use the Status screens to look at the current status of the device, system resources and interfaces (LAN, WAN and WLAN). The Status screen also provides detailed information from DHCP and statistics from traffic. P-2812HNU-51c User’s Guide...
  • Page 76: Status Screen

    Figure 22 Status Screen Each field is described in the following table. Table 7 Status Screen LABEL DESCRIPTION Refresh Interval Enter how often you want the P-2812HNU-51c to update this screen. Apply Click this to update this screen immediately. Device Information User Name This field displays the P-2812HNU-51c system name.
  • Page 77 This field displays what DHCP services the P-2812HNU-51c is providing to the LAN. Choices are: Server - The P-2812HNU-51c is a DHCP server in the LAN. It assigns IP addresses to other computers in the LAN. Relay - The P-2812HNU-51c acts as a surrogate DHCP server and relays DHCP requests and responses between the remote server and the clients.
  • Page 78 This field displays how long the P-2812HNU-51c has been running since Uptime it last started up. The P-2812HNU-51c starts up when you plug it in, when you restart it (Maintenance > Tools > Restart), or when you reset it (see Section 1.6 on page...
  • Page 79 Statistics connection(s). See Section 4.2.1 on page Route Info Click this link to view the internal routing table on the P-2812HNU-51c. Section 4.2.2 on page VoIP Status Click this link to view status of your VoIP usage. See Section 4.3.1 on...
  • Page 80: Wan Service Statistics

    0 and 35 or 0 and 1 are the default VPI and VCI numbers. The last number represents the index number of connections over the same PVC or the VLAN ID number assigned to traffic sent through this connection. (null) means the entry is not valid. Received P-2812HNU-51c User’s Guide...
  • Page 81: Route Info

    Routing is based on the destination address only and the P-2812HNU-51c takes the shortest path to forward a packet. Click Status > Route Info to access this screen. Use this screen to view the internal routing table on the P-2812HNU-51c. Figure 24 Status > Route Info The following table describes the labels in this screen.
  • Page 82 WAN interface using IPoE or in bridge mode. • pppoa1 indicates the ADSL WAN interface using PPPoA. • ipoa0 indicates the ADSL WAN interface using IPoA. • ppp0 indicates the WAN interface using PPPoE. • eth4 indicates the Ethernet WAN interface using IPoE. P-2812HNU-51c User’s Guide...
  • Page 83: Voip Status

    Status screen. Registered - The SIP account is registered with a SIP server. Not Registered - The last time the P-2812HNU-51c tried to register the SIP account with the SIP server, the attempt failed. The P- 2812HNU-51c automatically tries to register the SIP account when you turn on the P-2812HNU-51c or when you activate it.
  • Page 84 Enter how often you want the P-2812HNU-51c to update this screen, and click Set Interval. Set Interval Click this to make the P-2812HNU-51c update the screen based on the amount of time you specified in Poll Interval. Stop Click this to make the P-2812HNU-51c stop updating the screen.
  • Page 85: Wlan Station List

    4.3.1 WLAN Station List Click Status > WLAN Station List to access this screen. Use this screen to view the wireless stations that are currently associated to the P-2812HNU-51c. Figure 26 Status > WLAN Station List The following table describes the labels in this screen.
  • Page 86: Lan Statistics

    Refresh Enter the time interval for refreshing statistics in this field. Interval Set Interval Click this button to apply the new poll interval you entered in the Refresh Interval field. Stop Click Stop to stop refreshing statistics. P-2812HNU-51c User’s Guide...
  • Page 87: Client List

    DHCP (Dynamic Host Configuration Protocol, RFC 2131 and RFC 2132) allows individual clients to obtain TCP/IP configuration at start-up from a server. You can configure the P-2812HNU-51c as a DHCP server or disable it. When configured as a server, the P-2812HNU-51c provides the TCP/IP configuration for the clients. If DHCP service is disabled, you must have another DHCP server on your LAN, or else the computer must be manually configured.
  • Page 88 Chapter 4 Status Screens P-2812HNU-51c User’s Guide...
  • Page 89: Wan Setup

    H A P T E R WAN Setup 5.1 Overview This chapter discusses the P-2812HNU-51c’s WAN screens. Use these screens to configure your P-2812HNU-51c for Internet access. A WAN (Wide Area Network) connection is an outside connection to another network or the Internet. It connects your private networks, such as a LAN (Local Area Network), and other networks, so that a computer in one location can communicate with computers in other locations.
  • Page 90: What You Need To Know

    5.2 What You Need to Know Encapsulation Method Encapsulation is used to include data from an upper layer protocol into a lower layer protocol. To set up a WAN connection to the Internet, you need to use the P-2812HNU-51c User’s Guide...
  • Page 91: Before You Begin

    WAN IP Address The WAN IP address is an IP address for the P-2812HNU-51c, which makes it accessible from an outside network. It is used by the P-2812HNU-51c to communicate with other devices in other networks. It can be static (fixed) or dynamically assigned by the ISP each time the P-2812HNU-51c tries to access the Internet.
  • Page 92 Chapter 5 WAN Setup Note: The ATM, PTM and Ethernet layer-2 interfaces cannot work at the same time. Figure 30 Layer 2 Interface: PTM or Ethernet Figure 31 Layer 2 Interface: ATM P-2812HNU-51c User’s Guide...
  • Page 93: Layer 2 Interface Configuration

    When you set the DSL/WAN switch to the WAN side, this displays ETH WAN. The DSL port will be disabled automatically. This allows the P-2812HNU-51c to work as an Ethernet gateway instead of a DSL router. To access the Internet, connect the WAN port to a broadband modem or router.
  • Page 94 51c. You can have multiple ATM layer-2 interfaces using different VPI and/or VCI values. The screen varies depending on the interface type you select. Figure 32 Layer 2 Interface Configuration: DSL ATM Figure 33 Layer 2 Interface Configuration: DSL PTM/Ethernet WAN P-2812HNU-51c User’s Guide...
  • Page 95 Select Realtime VBR (real-time Variable Bit Rate) for applications with bursty connections that require closely controlled delay and delay variation. Select Non Realtime VBR (non real-time Variable Bit Rate) for connections that do not require closely controlled delay and delay variation. P-2812HNU-51c User’s Guide...
  • Page 96: The Internet Connection Screen

    Click this button to save your changes and go back to the previous screen. 5.5 The Internet Connection Screen Use this screen to change your P-2812HNU-51c’s WAN settings. Click Network > WAN > Internet Connection. The summary table shows you the configured WAN services (connections) on the P-2812HNU-51c.
  • Page 97 Chapter 5 WAN Setup To use NAT, firewall or IGMP proxy in the P-2812HNU-51c, you need to configure a WAN connection with PPPoE or IPoE. Note: When a layer-2 interface is in VLAN MUX Mode or MSC Mode, you can configure up to eight WAN services for each interface.
  • Page 98: Wan Connection Configuration

    5.5.1 WAN Connection Configuration Click the Edit or Add button in the WAN Service screen to configure a WAN connection. 5.5.1.1 WAN Interface This screen displays when you add a new WAN connection. Figure 35 WAN Configuration: WAN Interface P-2812HNU-51c User’s Guide...
  • Page 99: Service Type

    If you set the DSL link type to PPPoA or IPoA for the ATM interface and configure a WAN connection using the ATM interface, you only need to configure the Enter Service Description field in this screen. Figure 36 WAN Configuration: Service Type P-2812HNU-51c User’s Guide...
  • Page 100 Click this button to return to the previous screen. Next Click this button to continue. 5.5.1.3 WAN IP Address and DNS Server The screen differs by the encapsulation you selected in the previous screen. See Section 5.6 on page 110 for more information. P-2812HNU-51c User’s Guide...
  • Page 101 PPP Password Enter the password associated with the user name above. PPPoE Service Type the name of your PPPoE service here. Name This field is not available for a PPPoA connection. P-2812HNU-51c User’s Guide...
  • Page 102 ISP. This field is not available for a PPPoA connection. Enable IGMP Select this check box to have the P-2812HNU-51c act as an IGMP Multicast Proxy proxy on this connection. This allows the P-2812HNU-51c to get subscribing information and maintain a joined member list for each multicast group.
  • Page 103: Configuration Screen

    Enable DHCP Select this to identify the vendor and functionality of the P-2812HNU- Option 60 51c in DHCP requests that the P-2812HNU-51c sends to a DHCP server when getting a WAN IP address. Vendor Class Enter the Vendor Class Identifier (Option 60), such as the type of the Identifier hardware or firmware.
  • Page 104 Enable DHCP Select this to add vendor specific information to DHCP requests that Option 125 the P-2812HNU-51c sends to a DHCP server when getting a WAN IP address. Manufacturer Specify the vendor’s OUI (Organization Unique Identifier). It is usually the first three bytes of the MAC address.
  • Page 105 WAN IP Address Enter the static IP address provided by your ISP. WAN Subnet Enter the subnet mask provided by your ISP. Mask Back Click this button to return to the previous screen. Next Click this button to continue. P-2812HNU-51c User’s Guide...
  • Page 106 Enable Firewall Select this check box to activate Firewall on this connection. Enable IGMP Select this check box to have the P-2812HNU-51c act as an IGMP Multicast Proxy proxy on this connection. This allows the P-2812HNU-51c to get subscribing information and maintain a joined member list for each multicast group.
  • Page 107: Default Gateway

    The interface on the top of the list gets the highest priority. Back Click this button to return to the previous screen. Next Click this button to continue. 5.5.1.6 DNS Server The screen is not available when you select Bridging in the WAN Service Configuration screen. P-2812HNU-51c User’s Guide...
  • Page 108 The following table describes the labels in this screen. Table 25 WAN Configuration: DNS Server: PPPoE, PPPoA, IPoE or IPoA LABEL DESCRIPTION Select DNS Select this to have the P-2812HNU-51c get the DNS server addresses Server Interface from the ISP automatically. from available WAN interfaces...
  • Page 109: Configuration Summary

    This field is blank for a PTM or Ethernet WAN conenction. IP Address This shows whether the WAN IP address is assigned by the ISP, manually configured or not configurable. Service State This shows whether this service is active or not. P-2812HNU-51c User’s Guide...
  • Page 110: Technical Reference

    2812HNU-51c features described in this chapter. Encapsulation Be sure to use the encapsulation method required by your ISP. The P-2812HNU- 51c can work in bridge mode or routing mode. When the P-2812HNU-51c is in routing mode, it supports the following methods. IP over Ethernet IP over Ethernet (IPoE) is an alternative to PPPoE.
  • Page 111 By implementing PPPoE directly on the P-2812HNU-51c (rather than individual computers), the computers on the LAN do not need PPPoE software installed, since the P-2812HNU-51c does that part of the task. Furthermore, with NAT, all of the LANs’ computers will have access.
  • Page 112 The following figure illustrates the relationship between PCR, SCR and MBS. Figure 45 Example of Traffic Shaping ATM Traffic Classes These are the basic ATM traffic classes defined by the ATM Forum Traffic Management 4.0 Specification. P-2812HNU-51c User’s Guide...
  • Page 113 IP address and default gateway. Full Cone NAT In full cone NAT, the NAT router maps all outgoing packets from an internal IP address and port to a single IP address and port on the external network. The NAT P-2812HNU-51c User’s Guide...
  • Page 114 1 and port A to IP address 2 and port B on the external network for packets sent to IP address 3 and port C. The P-2812HNU-51c uses a different mapping (IP address 2 and port M) for packets sent to IP address 4 and port...
  • Page 115 GVRP. The VLAN ID associates a frame with a specific VLAN and provides the information that switches need to process the frame across the network. A tagged frame is four bytes longer than an untagged frame and P-2812HNU-51c User’s Guide...
  • Page 116 IP hosts (including gateways). All hosts must join the 224.0.0.1 group in order to participate in IGMP. The address 224.0.0.2 is assigned to the multicast routers group. At start up, the P-2812HNU-51c queries all directly connected networks to gather group membership. After that, the P-2812HNU-51c periodically updates this information.
  • Page 117 204.217.0.2. The DNS server is extremely important because without it, you must know the IP address of a computer before you can access it. The P-2812HNU-51c can get the DNS server addresses in the following ways. The ISP tells you the DNS server addresses, usually in the form of an information sheet, when you sign up.
  • Page 118 Chapter 5 WAN Setup P-2812HNU-51c User’s Guide...
  • Page 119: Lan Setup

    6.1.1 What You Can Do in this Chapter The LAN IP screen lets you set the LAN IP address and subnet mask of your ZyXEL device and configure other LAN TCP/IP settings (Section 6.3 on page 121). P-2812HNU-51c User’s Guide...
  • Page 120: What You Need To Know

    IP addresses and DNS servers to systems that support DHCP client capability. DHCP Relay You can also configure the P-2812HNU-51c to relay client DHCP requests to a DHCP server and the server’s responses back to the clients. RIP (Routing Information Protocol) allows a router to exchange routing information with other routers.
  • Page 121: The Lan Ip Screen

    Click Network > LAN to open the IP screen. See Section 6.4 on page 123 background information. Use this screen to set the Local Area Network IP address and subnet mask of your P-2812HNU-51c. Figure 48 LAN > IP P-2812HNU-51c User’s Guide...
  • Page 122 DNS Servers Assigned by DHCP Server If you do not configure DNS servers, the P-2812HNU-51c uses its LAN IP address and tells the DHCP clients on the LAN that itself is the DNS server. When a LAN client sends a DNS query to the P-2812HNU-51c, the P-2812HNU-51c forwards the query to its system DNS server you configured in the WAN screen.
  • Page 123: Technical Reference

    DHCP (Dynamic Host Configuration Protocol, RFC 2131 and RFC 2132) allows individual clients to obtain TCP/IP configuration at start-up from a server. You can configure the P-2812HNU-51c as a DHCP server or disable it. When configured as a server, the P-2812HNU-51c provides the TCP/IP configuration for the clients. If you turn DHCP service off, you must have another DHCP server on your LAN, or else the computer must be manually configured.
  • Page 124 Chapter 6 LAN Setup IP Pool Setup The P-2812HNU-51c is pre-configured with a pool of IP addresses for the DHCP clients (DHCP Pool). See the product specifications in the appendices. Do not assign static IP addresses from the DHCP pool to your LAN computers.
  • Page 125 IGMP. The address 224.0.0.2 is assigned to the multicast routers group. The P-2812HNU-51c supports both IGMP version 1 (IGMP-v1) and IGMP version 2 (IGMP-v2). At start up, the P-2812HNU-51c queries all directly connected networks to gather group membership. After that, the P-2812HNU-51c periodically updates this information.
  • Page 126 IP Alias IP alias allows you to partition a physical network into different logical networks over the same Ethernet interface. The P-2812HNU-51c supports three logical LAN interfaces via its single physical Ethernet interface with the P-2812HNU-51c itself as the gateway for each LAN network.
  • Page 127: Wireless Lan

    7.1.1 What You Can Do in this Chapter This chapter describes the P-2812HNU-51c’s Network > Wireless LAN screens. Use these screens to set up your P-2812HNU-51c’s wireless connection. • The General screen lets you turn the wireless connection on or off, set up wireless security and make other basic configuration changes (Section 7.4 on...
  • Page 128: What You Need To Know

    Network Names Each network must have a name, referred to as the SSID - “Service Set IDentifier”. The “service set” is the network, so the “service set identifier” is the P-2812HNU-51c User’s Guide...
  • Page 129 Because of the damage that can be done by a malicious attacker, it’s not just people who have sensitive information on their network who should use security. Everybody who uses any wireless network should ensure that effective security is in place. P-2812HNU-51c User’s Guide...
  • Page 130: Before You Begin

    • What advanced options do you want to configure, if any? If you want to configure advanced options, ensure that you know precisely what you want to do. If you do not want to configure advanced options, leave them alone. P-2812HNU-51c User’s Guide...
  • Page 131: The General Screen

    Chapter 7 Wireless LAN 7.4 The General Screen Note: If you are configuring the P-2812HNU-51c from a computer connected to the wireless LAN and you change the P-2812HNU-51c’s SSID or security 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 P- 2812HNU-51c’s new settings.
  • Page 132 Select this check box to hide the SSID in the outgoing beacon frame so a Name (SSID) station cannot obtain the SSID through scanning using a site survey tool. Enable Select this check box to allow the P-2812HNU-51c to convert wireless Wireless multicast traffic into wireless unicast traffic. Multicast...
  • Page 133: No Security

    Select No Security to allow wireless devices to communicate with the access points without any data encryption or authentication. Note: If you do not enable any wireless security on your P-2812HNU-51c, your network is accessible to any wireless networking device that is within range.
  • Page 134: Wep Encryption

    Figure 53 Wireless LAN > General: Static WEP Encryption The following table describes the wireless LAN security labels in this screen. Table 30 Network > Wireless LAN > General: Static WEP Encryption LABEL DESCRIPTION Security Choose WEP from the drop-down list box. Mode P-2812HNU-51c User’s Guide...
  • Page 135: Wpa(2)-Psk

    Key 1 to Key The WEP key is used to secure your data from eavesdropping by unauthorized wireless users. Both the P-2812HNU-51c and the wireless stations must use the same WEP key for data transmission. Only one key can be activated at any one time. Select a default key to use for data encryption.
  • Page 136: Wpa(2) Authentication

    DESCRIPTION Auto Generate This field is only available for WPA-PSK. Select this option to have the P-2812HNU-51c automatically generate an SSID and pre-shared key. The SSID and Pre-Shared Key fields will not be configurable when you select this option. Security Mode Choose WPA-PSK or WPA2-PSK from the drop-down list box.
  • Page 137 Chapter 7 Wireless LAN Note: If you select WPA or WPA2 in the Wireless LAN > General screen, the WDS and WPS features are not available on the P-2812HNU-51c. Figure 55 Wireless LAN > General: WPA(2) The following table describes the wireless LAN security labels in this screen.
  • Page 138: Mac Filter

    P-2812HNU-51c. The key is not sent over the network. 7.4.5 MAC Filter This screen allows you to configure the P-2812HNU-51c to give exclusive access to specific devices (Allow) or exclude specific devices from accessing the P- 2812HNU-51c (Deny). Every Ethernet device has a unique MAC (Media Access Control) address.
  • Page 139: Adding A New Mac Filtering Rule

    Chapter 7 Wireless LAN Use this screen to change your P-2812HNU-51c’s MAC filter settings. Click the Edit button in the Wireless LAN > General screen. The following screen displays. Figure 56 Wireless LAN > MAC Filter The following table describes the labels in this screen.
  • Page 140: The More Ap Screen

    Enter the MAC addresses of the wireless devices that are allowed or denied Address access to the P-2812HNU-51c in these address fields. Enter the MAC addresses in a valid MAC address format, that is, six hexadecimal character pairs, for example, 12:34:56:78:9a:bc.
  • Page 141: More Ap Edit

    7.6 The WPS Screen Use this screen to configure WiFi Protected Setup (WPS) on your P-2812HNU-51c. WPS allows you to quickly set up a wireless network with strong security, without having to configure security settings manually. Set up each WPS connection between two devices.
  • Page 142 WPS. The PIN is not necessary when you use WPS push-button method. Generate Click this button to have the P-2812HNU-51c create a new PIN. WPS Status This displays Configured when the P-2812HNU-51c has connected to a wireless network using WPS or Enable WPS is selected and wireless or wireless security settings have been changed.
  • Page 143: The Wps Station Screen

    Configuration (PBC) or PIN Configuration. Note: If you select No Security in the Wireless LAN > General screen and click Push Button in the WPS Station screen, the P-2812HNU-51c automatically changes to use WPA-PSK/WPA2-PSK mixed mode and generates a pre- shared key.
  • Page 144: The Wds Screen

    Click Network > Wireless LAN > WDS. The following screen displays. WDS is turned on and this screen is configurable when the ZyXEL Device's wireless security mode is No Security, WEP or WPA(2)-PSK. Figure 62 Network > Wireless LAN > WDS P-2812HNU-51c User’s Guide...
  • Page 145 LABEL DESCRIPTION Operating Mode Select the operating mode for your P-2812HNU-51c. • Access Point + Bridge - The P-2812HNU-51c functions as a bridge and access point simultaneously. • Wireless Bridge - The P-2812HNU-51c acts as a wireless network bridge and establishes wireless links with other APs. In this mode, clients cannot connect to the P-2812HNU-51c wirelessly.
  • Page 146: The Advanced Setup Screen

    Allowed Output Power Set the output power of the P-2812HNU-51c. If there is a high density of APs in an area, decrease the output power to reduce interference with other APs. Select one of the following 20%, 40%, 60%, 80% or 100%.
  • Page 147: Technical Reference

    Select 802.11g Only to allow IEEE 802.11g compliant WLAN devices to associate with the P-2812HNU-51c. IEEE 802.11b compliant WLAN devices can associate with the P-2812HNU-51c only when they use the short premble type. Select 802.11n Only to only allow IEEE 802.11n compliant WLAN devices to associate with the P-2812HNU-51c.
  • Page 148: Wireless Network Overview

    The wireless network is the part in the blue circle. In this wireless network, devices A and B use the access point (AP) to interact with the other devices (such as the printer) or with the Internet. Your P-2812HNU-51c is the AP. Every wireless network must follow these basic guidelines.
  • Page 149: Additional Wireless Terms

    7.10.3.1 SSID Normally, the P-2812HNU-51c acts like a beacon and regularly broadcasts the SSID in the area. You can hide the SSID instead, in which case the P-2812HNU- 51c does not broadcast the SSID. In addition, you should change the default SSID to something that is difficult to guess.
  • Page 150: User Authentication

    User’s Guide or other documentation. You can use the MAC address filter to tell the P-2812HNU-51c which devices are allowed or not allowed to use the wireless network. If a device is allowed to use the wireless network, it still has to have the correct information (SSID, channel, and security).
  • Page 151: Wifi Protected Setup

    Usually, you should set up the strongest encryption that every device in the wireless network supports. For example, suppose you have a wireless network with the P-2812HNU-51c and you do not have a RADIUS server. Therefore, there is no authentication. Suppose the wireless network has two devices. Device A only supports WEP, and device B supports WEP and WPA.
  • Page 152: Push Button Configuration

    Look for a WPS button on each device. If the device does not have one, log into its configuration utility and locate the button (see the device’s User’s Guide for how to do this - for the P-2812HNU-51c, see Section 7.7 on page 143).
  • Page 153 Look for the client’s WPS PIN; it will be displayed either on the device, or in the WPS section of the client’s configuration interface (see the device’s User’s Guide for how to find the WPS PIN - for the P-2812HNU-51c, see Section 7.6 on page 141).
  • Page 154 PSK or WPA2-PSK pre-shared key to the enrollee. Whether WPA-PSK or WPA2-PSK is used depends on the standards supported by the devices. If the registrar is already part of a network, it sends the existing information. If not, it generates the SSID and WPA(2)-PSK randomly. P-2812HNU-51c User’s Guide...
  • Page 155 It will be the registrar in all subsequent WPS connections in which it is involved. If you want a configured AP to act as an enrollee, you must reset it to its factory defaults. P-2812HNU-51c User’s Guide...
  • Page 156 CLIENT 1 ENROLLEE CLIENT 2 In step 3, you add another access point (AP2) to your network. AP2 is out of range of AP1, so you cannot use AP1 for the WPS handshake with the new access P-2812HNU-51c User’s Guide...
  • Page 157 (if the device supports this feature). Then, you can enter the key into the non-WPS device and join the network as normal (the non-WPS device must also support WPA-PSK or WPA2-PSK). P-2812HNU-51c User’s Guide...
  • Page 158 Check the MAC addresses of your wireless clients (usually printed on a label on the bottom of the device). If there is an unknown MAC address you can remove it or reset the AP. P-2812HNU-51c User’s Guide...
  • Page 159: Network Address Translation (Nat)

    • The Port Forwarding screen lets you configure forward incoming service requests to the server(s) on your local network (Section 8.3 on page 160). • The Trigger Port screen lets you change the P-2812HNU-51c's trigger port settings (Section 8.4 on page 163).
  • Page 160: The Port Forwarding Screen

    If you are unsure, refer to your ISP. To access this screen, click Network > NAT. The following screen appears. Figure 70 NAT Port Forwarding P-2812HNU-51c User’s Guide...
  • Page 161 To forward a series of ports, enter the last port number in a series that begins with the port number in the External Port Start field above. Internal Port Enter the port number to which you want the P-2812HNU-51c to Start translate the incoming port.
  • Page 162: The Port Forwarding Edit Screen

    Click the Remove icon to delete an existing port forwarding rule. Note that subsequent rules move up by one when you take this action. Apply Click Apply to save your changes back to the P-2812HNU-51c. Cancel Click Cancel to return to the previous configuration.
  • Page 163: The Trigger Port Screen

    External Start Port field above. Internal Start Enter the port number here to which you want the P-2812HNU-51c to Port translate the incoming port. For a range of ports, enter the first number of the range to which you want the incoming ports translated.
  • Page 164 Chapter 8 Network Address Translation (NAT) port), the P-2812HNU-51c forwards the traffic to the LAN IP address of the computer that sent the request. After that computer’s connection for that service closes, another computer on the LAN can use the service in the same manner. This way you do not need to configure a new IP address each time you want a different LAN computer to use the application.
  • Page 165 Select the WAN interface through which the service is forwarded. Trigger Port The trigger port is a port (or a range of ports) that causes (or triggers) the P-2812HNU-51c to record the IP address of the LAN computer that sent the traffic to a server on the WAN. Start This is the first port number that identifies a service.
  • Page 166: Trigger Port Configuration

    Click the Remove icon to delete an existing rule. Note that subsequent rules move up by one when you take this action. Apply Click Apply to save your changes back to the P-2812HNU-51c. Cancel Click Cancel to return to the previous configuration.
  • Page 167 The trigger port is a port (or a range of ports) that causes (or triggers) the Start Port P-2812HNU-51c to record the IP address of the LAN computer that sent the traffic to a server on the WAN. Type a port number or the starting port number in a range of port numbers.
  • Page 168: The Dmz Host Screen

    Enter the IP address of the default server which receives packets from ports that are not specified in the NAT Port Forwarding screen. Note: If you do not assign a Default Server, the P-2812HNU-51c discards all packets received for ports that are not specified in the NAT Port Forwarding screen.
  • Page 169: Technical Reference

    Chapter 8 Network Address Translation (NAT) Use this screen to enable or disable the SIP (VoIP) ALG in the P-2812HNU-51c. To access this screen, click NAT > ALG. Figure 76 NAT > ALG Each field is described in the following table.
  • Page 170 ISP assigns the WAN IP address. The NAT network appears as a single host on the Internet. Figure 77 Multiple Servers Behind NAT Example A=192.168.1.33 192.168.1.1 B=192.168.1.34 IP address assigned by ISP C=192.168.1.35 D=192.168.1.36 P-2812HNU-51c User’s Guide...
  • Page 171: Voice

    • Configure network settings to optimize the voice quality of your phone calls. 9.1.1 What You Can Do in this Chapter These screens allow you to configure your P-2812HNU-51c to make phone calls over the Internet and your regular phone line, and to set up the phones you connect to the P-2812HNU-51c.
  • Page 172: What You Need To Know About Voip

    (like a computer or the P-2812HNU-51c) send messages to another. In VoIP, these messages are about phone calls over the network. For example, when you dial a number on your P-2812HNU-51c, it sends a SIP message over the network asking the other device (the number you dialed) to take part in the call.
  • Page 173: Before You Begin

    P-2812HNU-51c. 9.2 The SIP Settings Screen The P-2812HNU-51c uses a SIP account to make outgoing VoIP calls and check if an incoming call’s destination number matches your SIP account’s SIP number. In order to make or receive a VoIP call, you need to enable and configure a SIP account, and map it to a phone port.
  • Page 174 Selection field, the screen automatically refreshes. General Active SIP Select this if you want the P-2812HNU-51c to use this account. Clear it Account if you do not want the P-2812HNU-51c to use this account. SIP Account Enter your SIP number. In the full SIP URI, this is the part before the @ Number symbol.
  • Page 175 Select None if you only want the P-2812HNU-51c to accept the first choice. Select the P-2812HNU-51c’s third choice for voice coder/decoder. Select None if you only want the P-2812HNU-51c to accept the first or second choice. Speaking Enter the loudness that the P-2812HNU-51c uses for speech that it Volume Control sends to the peer device.
  • Page 176 Specify a time of seconds that the P-2812HNU-51c waits before Reject Timer rejecting the second call if you do not answer it. Active Select this if you want the P-2812HNU-51c to forward all incoming calls Unconditional to the specified phone number. Forward Specify the phone number in the To Number field on the right.
  • Page 177 Warm Line 2812HNU-51c. Enable Warm Line Select this to have the P-2812HNU-51c dial the specified warm line number after you pick up the telephone and do not press any keys on the keypad for a period of time. Hot Line Select this to have the P-2812HNU-51c dial the specified hot line number immediately when you pick up the telephone.
  • Page 178: The Sip Service Provider Screen

    Click VoIP > SIP > SIP Service Provider to open the SIP Service Provider screen. Use this screen to configure the SIP server information, QoS for VoIP calls, the numbers for certain phone functions, and dialing plan. Figure 79 VoIP > SIP > SIP Service Provider P-2812HNU-51c User’s Guide...
  • Page 179 LABEL DESCRIPTION General SIP Local Port Enter the P-2812HNU-51c’s listening port number, if your VoIP service provider gave you one. Otherwise, keep the default value. SIP Server Enter the IP address or domain name of the SIP server provided by Address your VoIP service provider.
  • Page 180 The peer devices must also use G.711. T.38 Fax Relay Select this if the P-2812HNU-51c should send fax messages as UDP or TCP/IP packets through IP networks. This provides better quality, but it may have inter-operability problems. The peer devices must also use T.38.
  • Page 181 (The SIP register server might have a different expiration.) Register Re- Enter the number of seconds the P-2812HNU-51c waits before it tries send timer again to register the SIP account, if the first try failed or if there is no response.
  • Page 182: Dial Plan Rules

    (usually the pound key on the phone keypad) before the P-2812HNU-51c makes the call. The P-2812HNU-51c initializes a call when the dialed number matches any one of the rules in the dial plan.
  • Page 183: The Phone Region Screen

    9.4 The Phone Region Screen Use this screen to maintain settings that depend on which region of the world the P-2812HNU-51c is in. To access this screen, click VoIP > Phone > Region. Figure 80 VoIP > Phone > Region...
  • Page 184: The Speed Dial Screen

    Table 51 VoIP > Phone > Region LABEL DESCRIPTION Region Settings Select the place in which the P-2812HNU-51c is located. Call Service Select the mode for supplementary phone services (call hold, call Mode waiting, call transfer and three-way conference calls) that your VoIP service provider supports.
  • Page 185 Use this section to create or edit speed-dial entries. Select the speed-dial number you want to use for this phone number. Number Enter the SIP number you want the P-2812HNU-51c to call when you dial the speed-dial number. Description Enter a name to identify the party you call when you dial the speed-dial number.
  • Page 186: Call History Summary Screen

    Click this to erase all the speed-dial entries. 9.6 Call History Summary Screen The P-2812HNU-51c logs calls from or to your SIP numbers. This screen allows you to view the summary of received, dialed and missed calls. Click VoIP > Call History > Call History Summary. The following screen displays.
  • Page 187: Outgoing Calls Screen

    This is the date and time when the call was made. phone port This is the phone port on which you made the call. phone number This is the SIP number you called. duration This displays how long the call lasted. P-2812HNU-51c User’s Guide...
  • Page 188: Incoming Calls Screen

    Missed means the call was unanswered. phone number This is the SIP number that called you. duration This displays how long the call lasted. 9.9 Technical Reference This section contains background material relevant to the VoIP screens. P-2812HNU-51c User’s Guide...
  • Page 189: Voip

    SIP Service Domain The SIP service domain of the VoIP service provider is the domain name in a SIP URI. For example, if the SIP address is 1122334455@VoIP-provider.com, then “VoIP-provider.com” is the SIP service domain. P-2812HNU-51c User’s Guide...
  • Page 190 Chapter 9 Voice SIP Registration Each P-2812HNU-51c is an individual SIP User Agent (UA). To provide voice service, it has a public IP address for SIP and RTP protocols to communicate with other servers. A SIP user agent has to register with the SIP registrar and must provide information about the users it represents, as well as its current IP address (for the routing of incoming SIP requests).
  • Page 191 A SIP redirect server accepts SIP requests, translates the destination address to an IP address and sends the translated IP address back to the device that sent the request. Then the client device that originally sent the request can send requests P-2812HNU-51c User’s Guide...
  • Page 192 The register server checks your user name and password when you register. When you make a VoIP call using SIP, the RTP (Real time Transport Protocol) is used to handle voice data transfer. See RFC 1889 for details on RTP. P-2812HNU-51c User’s Guide...
  • Page 193 Then, the proxy server looks up the destination to which the call should be forwarded (according to the URI requested by the SIP UAC). The request may be forwarded to more than one proxy server before arriving at its destination. P-2812HNU-51c User’s Guide...
  • Page 194 The following table shows the SIP call progression. Table 57 SIP Call Progression UA 1 PROXY 1 PROXY 2 UA 2 Invite Invite 100 Trying Invite 100 Trying Ringing Ringing Ringing 200 OK 200 OK 200 OK 200 OK P-2812HNU-51c User’s Guide...
  • Page 195 Voice Coding A codec (coder/decoder) codes analog voice signals into digital signals and decodes the digital signals back into analog voice signals. The P-2812HNU-51c supports the following codecs. • G.711 is a Pulse Code Modulation (PCM) waveform codec. PCM measures analog signal amplitudes at regular time intervals and converts them into digital samples.
  • Page 196 Chapter 9 Voice Voice Activity Detection/Silence Suppression Voice Activity Detection (VAD) detects whether or not speech is present. This lets the P-2812HNU-51c reduce the bandwidth that a call uses by not transmitting “silent packets” when you are not speaking. Comfort Noise Generation When using VAD, the P-2812HNU-51c generates comfort noise when the other party is not speaking.
  • Page 197: Quality Of Service (Qos)

    9.9.3 Quality of Service (QoS) Quality of Service (QoS) refers to both a network's ability to deliver data with minimum delay, and the networking methods used to provide bandwidth for real- time multimedia applications. P-2812HNU-51c User’s Guide...
  • Page 198 Network traffic can be classified by setting the ToS (Type of Service) values at the data source (for example, at the P-2812HNU-51c) so a server can decide the best method of delivery, that is the least cost, fastest route and so on.
  • Page 199: Phone Services Overview

    • Call Park and Pickup • Do not Disturb Note: To take full advantage of the supplementary phone services available through the P-2812HNU-51c's phone ports, you may need to subscribe to the services from your VoIP service provider. 9.9.4.1 The Flash Key Flashing means to press the hook for a short period of time (a few hundred milliseconds) before releasing it.
  • Page 200 (directory) number. If there is a second call to a telephone number, you will hear a call waiting tone. Take one of the following actions. • Reject the second call. Press the flash key and then press “0”. P-2812HNU-51c User’s Guide...
  • Page 201: Usa Type Supplementary Services

    (one is on-line, the other is on hold), press the flash key and press “2”. 9.9.4.3 USA Type Supplementary Services This section describes how to use supplementary phone services with the USA Type Call Service Mode. Commands for supplementary services are listed in the table below. P-2812HNU-51c User’s Guide...
  • Page 202 Intercom. After you hear the ring signal or the second party answers it, hang up the phone. USA Three-Way Conference Use the following steps to make three-way conference calls. P-2812HNU-51c User’s Guide...
  • Page 203 (the sound someone hears when you put their call on hold). #### Internal Call Call the phone(s) connected to the P-2812HNU-51c. One Shot Caller Display Activate or deactivate caller ID for the next call only. Call...
  • Page 204 Chapter 9 Voice P-2812HNU-51c User’s Guide...
  • Page 205: File Sharing

    Share files on a USB memory stick or hard drive connected to your P-2812HNU- 51c with users on your network. The following figure is an overview of the P-2812HNU-51c’s file server feature. Computers A and B can access files on a USB device (C) which is connected to the P-2812HNU-51c.
  • Page 206: What You Need To Know About File-Sharing

    Microsoft Windows for file and printer access; therefore, CIFS will allow all applications, not just Web browsers, to open and share files across the Internet. The P-2812HNU-51c uses Common Internet File System (CIFS) protocol for its file sharing functions. CIFS compatible computers can access the USB file storage devices connected to the P-2812HNU-51c.
  • Page 207: Before You Begin

    10.1.3 Before You Begin Make sure the P-2812HNU-51c is connected to your network and turned on. Connect the USB device to one of the P-2812HNU-51c’s USB ports. Make sure the P-2812HNU-51c is connected to your network. The P-2812HNU-51c detects the USB device and makes its contents available for browsing.
  • Page 208: The Server Settings Screen

    Chapter 10 File Sharing 10.2 The Server Settings Screen Use this screen to set up file sharing via the P-2812HNU-51c. To access this screen, click USB Services > File Sharing. Figure 91 USB Services > File Sharing Each field is described in the following table.
  • Page 209: Example Of Accessing Your Shared Files From A Computer

    1234 or user.) Figure 92 File Sharing via Windows Explorer Note: Once you log in to the file share via your P-2812HNU-51c, you do not have to log in again unless you restart your computer. P-2812HNU-51c User’s Guide...
  • Page 210 Chapter 10 File Sharing P-2812HNU-51c User’s Guide...
  • Page 211: Firewall

    H A P T E R Firewall 11.1 Overview This chapter shows you how to enable and configure the P-2812HNU-51c firewall settings. The P-2812HNU-51c firewall is a packet filtering firewall and restricts access based on the source/destination computer network address of a packet and the type of application.
  • Page 212: The Firewall Screen

    These custom rules work by comparing the Source IP address, Destination IP address and IP protocol type of network traffic to rules set by the administrator. Your customized rules take precedence and override the P-2812HNU-51c’s default rules. 11.3 The Firewall Screen Click Security >...
  • Page 213 LABEL DESCRIPTION Active Firewall Select this check box to enable the firewall on the P-2812HNU-51c. When the firewall is enabled, the P-2812HNU-51c blocks all incoming traffic from the WAN to the LAN. Create custome rules below to allow certain WAN users to access your LAN or to allow traffic from the WAN to a certain computer on the LAN.
  • Page 214: Creating Incoming Firewall Rules

    Enter a single port number or the range of port numbers of the source. Destination IP Enter the destination IP address in dotted decimal notation. Address Destination Enter the destination subnet mask. Subnet Mask Destination Port Enter the port number of the destination. P-2812HNU-51c User’s Guide...
  • Page 215 Select Select All to apply the rule to all interfaces on the P-2812HNU- 51c or select the specific WAN interface(s) to which this rule applies. Back Click Back to return to the previous screen. Apply Click Apply to save your customized settings and exit this screen. P-2812HNU-51c User’s Guide...
  • Page 216 Chapter 11 Firewall P-2812HNU-51c User’s Guide...
  • Page 217: Certificate

    H A P T E R Certificate 12.1 Overview The P-2812HNU-51c can use certificates (also called digital IDs) to authenticate users. Certificates are based on public-private key pairs. A certificate contains the certificate owner’s identity and public key. Certificates provide a way to exchange public keys for use in authentication.
  • Page 218: The Local Certificates Screen

    Chapter 12 Certificate 12.3 The Local Certificates Screen Click Security > Certificates to open the Local Certificates screen. This is the P-2812HNU-51c’s summary list of certificates and certification requests. Figure 95 Local Certificates The following table describes the labels in this screen.
  • Page 219: Create Certificate Request

    Organization Name Type up to 127 characters to identify the company or group to which the certificate owner belongs. You may use any character, including spaces, but the P-2812HNU-51c drops trailing spaces. State/Province Type up to 127 characters to identify the state or province where the Name certificate owner is located.
  • Page 220: Import Certificate

    Figure 97 Certificate Request Details 12.3.2 Import Certificate Click Security > Certificates > Local Certificates and then Import Certificate to open the Import Local Certificate screen. Follow the instructions in this screen to save an existing certificate to the P-2812HNU-51c. P-2812HNU-51c User’s Guide...
  • Page 221 Table 68 Import Local Certificate LABEL DESCRIPTION Certificate Type up to 31 ASCII characters (not including spaces) to identify this Name certificate. Certificate Copy and paste the certificate into the text box to store it on the P-2812HNU- 51c. P-2812HNU-51c User’s Guide...
  • Page 222: Certificate Details

    2812HNU-51c. Back Click Back to return to the previous screen. Apply Click Apply to save the certificate on the P-2812HNU-51c. 12.3.3 Certificate Details Click Security > Certificates > Local Certificates to open the My Certificates screen (see Figure 95 on page 218).
  • Page 223 Chapter 12 Certificate Figure 99 Certificate Details P-2812HNU-51c User’s Guide...
  • Page 224: Load Signed Certificate

    Click Security > Certificates > Local Certificates and then Load Signed or the Load Signed Certificate button in the Certificate Details screen of a certification request to open the Load Certificate screen. Follow the instructions in this screen to save a valid certificate to repalce the request. P-2812HNU-51c User’s Guide...
  • Page 225: The Trusted Ca Screen

    Click Advanced Setup > Certificates > Trusted CA to open the following screen. This screen displays a summary list of certificates of the certification authorities that you have set the P-2812HNU-51c to accept as trusted. The P- 2812HNU-51c accepts any valid certificate signed by a certification authority on...
  • Page 226 Click View to open a screen with an in-depth list of information about the certificate. Click Remove to delete the certificate. Import Click this button to open a screen where you can save the certificate of Certificate a certification authority that you trust to the P-2812HNU-51c. P-2812HNU-51c User’s Guide...
  • Page 227: View Trusted Ca Certificate

    (via floppy disk for example). Back Click this button to return to the previous screen. P-2812HNU-51c User’s Guide...
  • Page 228: Import Trusted Ca Certificate

    12.4.2 Import Trusted CA Certificate Click the Import Certificate button in the Trusted CA screen to open the following screen. The P-2812HNU-51c trusts any valid certificate signed by any of the imported trusted CA certificates. Figure 103 Trusted CA: Import Certificate The following table describes the fields in this screen.
  • Page 229: Static Route

    13.1 Overview The P-2812HNU-51c usually uses the default gateway to route outbound traffic from computers on the LAN to the Internet. To have the P-2812HNU-51c send data to devices not reachable through the default gateway, use static routes. For example, the next figure shows a computer (A) connected to the P-2812HNU- 51c’s LAN interface.
  • Page 230: The Static Route Screen

    This is the WAN interface through which the traffic is routed. Remove Click the icon to remove a static route from the P-2812HNU-51c. A window displays asking you to confirm that you want to delete the route. Click this to create a new rule.
  • Page 231: Static Route Edit

    51c's interface(s). The gateway helps forward packets to their destinations. Back Click Back to return to the previous screen without saving. Apply Click Apply to save your changes back to the P-2812HNU-51c. Cancel Click Cancel to begin configuring this screen afresh. P-2812HNU-51c User’s Guide...
  • Page 232 Chapter 13 Static Route P-2812HNU-51c User’s Guide...
  • Page 233: Policy Forwarding

    The Policy Forwarding screens let you view and configure routing policies on the P-2812HNU-51c (Section 14.2 on page 233). 14.2 The Static Route Screen Click Advanced > Policy Forwarding to open the Policy Forwarding screen. Figure 107 Advanced > Policy Forwarding P-2812HNU-51c User’s Guide...
  • Page 234: Policy Forwarding Setup

    This is the WAN interface through which the traffic is routed. Remove Click the icon to remove a rule from the P-2812HNU-51c. A window displays asking you to confirm that you want to delete the rule. Click this to create a new rule.
  • Page 235 Table 77 Policy Forwarding: Add LABEL DESCRIPTION Back Click Back to return to the previous screen without saving. Apply Click Apply to save your changes back to the P-2812HNU-51c. Cancel Click Cancel to begin configuring this screen afresh. P-2812HNU-51c User’s Guide...
  • Page 236 Chapter 14 Policy Forwarding P-2812HNU-51c User’s Guide...
  • Page 237: Rip

    Routing Information Protocol (RIP, RFC 1058 and RFC 1389) allows a device to exchange routing information with other routers. 15.1.1 What You Can Do in this Chapter The RIP screen lets you set up RIP settings on the P-2812HNU-51c (Section 15.2 on page 237).
  • Page 238 Version The RIP version controls the format and the broadcasting method of the RIP packets that the P-2812HNU-51c sends (it recognizes both formats when receiving). RIP version 1 is universally supported but RIP version 2 carries more information. RIP version 1 is probably adequate for most networks, unless you have an unusual network topology.
  • Page 239: Quality Of Service (Qos)

    Configure classifiers to sort traffic into different flows. Assign priority and define actions to be performed for a classified traffic flow. The P-2812HNU-51c assigns each packet a priority and then queues the packet accordingly. Packets assigned a high priority are processed more quickly than those with low priority if there is congestion, allowing time-sensitive applications to flow more smoothly.
  • Page 240: The Quality Of Service General Screen

    Click Advanced Setup > Quality of Service to open the screen as shown next. Use this screen to enable or disable QoS and set the upstream bandwidth. See Section 16.1 on page 239 for more information. Figure 110 QoS General P-2812HNU-51c User’s Guide...
  • Page 241: The Queue Setup Screen

    100 Mbps. You can set this number higher than the interface’s actual transmission speed. The P-2812HNU-51c uses up to 95% of the DSL port’s actual upstream transmission speed even if you set this number higher than the DSL port’s actual transmission speed.
  • Page 242: Adding A Qos Queue

    Select the check box to enable the queue. Name This shows the descriptive name of this queue. Interface This shows the name of the P-2812HNU-51c’s interface through which traffic in this queue passes. Priority This shows the priority of this queue.
  • Page 243: The Class Setup Screen

    (such as Telnet) to form a flow. You can give different priorities to traffic that the P-2812HNU-51c forwards out through the WAN interface. Give high priority to voice and video to make them run more smoothly.
  • Page 244 Click the Edit icon to go to the screen where you can edit the classifier. Click the Remove icon to delete an existing classifier. Note that subsequent rules move up by one when you take this action. Apply Click Apply to save your changes back to the P-2812HNU-51c. P-2812HNU-51c User’s Guide...
  • Page 245: Qos Class Edit

    Chapter 16 Quality of Service (QoS) 16.5.1 QoS Class Edit Click the Add button or the Edit icon in the Class Setup screen to configure a classifier. Figure 114 QoS Class Setup: Add P-2812HNU-51c User’s Guide...
  • Page 246 If you select Remark, enter a VLAN ID number (between 1 and 4095) with which the P-2812HNU-51c replaces the VLAN ID of the frames. If you select Remove, the P-2812HNU-51c deletes the VLAN ID of the frames before forwarding them out.
  • Page 247 If you select TCP or UDP in the IP Protocol field, select the check Range box and enter the port number(s) of the source. Exclude Select this option to exclude the packets that match the specified criteria from this classifier. Others P-2812HNU-51c User’s Guide...
  • Page 248 Select this option to exclude the packets that match the specified criteria from this classifier. Back Click Back to return to the previous screen without saving. Apply Click Apply to save your changes back to the P-2812HNU-51c. Cancel Click Cancel to begin configuring this screen afresh. P-2812HNU-51c User’s Guide...
  • Page 249: The Qos Monitor Screen

    Chapter 16 Quality of Service (QoS) 16.6 The QoS Monitor Screen To view the P-2812HNU-51c’s QoS packet statistics, click Advanced > QoS > Monitor. The screen appears as shown. Figure 115 QoS > Monitor The following table describes the labels in this screen.
  • Page 250 DiffServ (Differentiated Services) is a class of service (CoS) model that marks packets so that they receive specific per-hop treatment at DiffServ-compliant network devices along the route based on the application types and traffic flow. Packets are marked with DiffServ Code Points (DSCPs) indicating the level of P-2812HNU-51c User’s Guide...
  • Page 251 DiffServ network. Based on the marking rule, different kinds of traffic can be marked for different kinds of forwarding. Resources can then be allocated according to the DSCP values and the configured policies. P-2812HNU-51c User’s Guide...
  • Page 252 Chapter 16 Quality of Service (QoS) P-2812HNU-51c User’s Guide...
  • Page 253: Dynamic Dns Setup

    Use the Dynamic DNS screen (Section 17.3 on page 254) to enable DDNS and configure the DDNS settings on the P-2812HNU-51c. 17.2 What You Need To Know DYNDNS Wildcard Enabling the wildcard feature for your host causes *.yourhost.dyndns.org to be aliased to the same IP address as yourhost.dyndns.org.
  • Page 254: The Dynamic Dns Screen

    Chapter 17 Dynamic DNS Setup 17.3 The Dynamic DNS Screen To change your P-2812HNU-51c’s DDNS, click Advanced > Dynamic DNS. The screen appears as shown. Figure 116 Advanced > Dynamic DNS The following table describes the fields in this screen.
  • Page 255: Remote Management

    ACS and a client device. RPCs are sent in Extensible Markup Language (XML) format over HTTP or HTTPS. An administrator can use an ACS to remotely set up the P-2812HNU-51c, modify settings, perform firmware upgrades as well as monitor and diagnose the P- 2812HNU-51c.
  • Page 256 Chapter 18 Remote Management Click Advanced > Remote MGMT to open the following screen. Use this screen to configure your P-2812HNU-51c to be managed by an ACS. Figure 117 TR-069 The following table describes the fields in this screen. Table 87 TR-069...
  • Page 257: The Tr-064 Screen

    The ACS can use this URL to make a connection request to the P- 2812HNU-51c. Apply/Save Click this button to save your changes back to the P-2812HNU-51c. Cancel Click Cancel to begin configuring this screen afresh. 18.3 The TR-064 Screen TR-064 is a LAN-Side DSL CPE Configuration protocol defined by the DSL Forum.
  • Page 258: The Snmp Screen

    An agent is a management software module that resides in a managed device (the P-2812HNU-51c). An agent translates the local management information from the managed switch into a form compatible with SNMP. The manager is the console through which network administrators perform network management functions. It executes applications that control and monitor managed devices.
  • Page 259 Enter the system name of the P-2812HNU-51c. System Location Specify the geographic location of the P-2812HNU-51c. System Contact Enter the name of the person in charge of the P-2812HNU-51c. Trap Manager IP Type the IP address of the station to send your SNMP traps to. Save/Apply Click this button to save your changes back to the P-2812HNU-51c.
  • Page 260: The Service Control Screen

    This is the index number of the entry. Services This is the service you may use to access the P-2812HNU-51c. Select the Enable check box for the corresponding services that you want to allow access to the P-2812HNU-51c from the LAN.
  • Page 261: The Ip Address Screen

    Click Advanced > Remote MGMT > IP Address to open the following screen. Use this screen to specify the “trusted” computers from which an administrator may use a service to manage the P-2812HNU-51c. Figure 121 IP Address The following table describes the fields in this screen.
  • Page 262: Adding An Ip Address

    Enter the IP address of the trusted computer from which you can manage the P-2812HNU-51c. Apply/Save Click this button to save your changes back to the P-2812HNU-51c. Back Click this button to return to the previous screen without saving. P-2812HNU-51c User’s Guide...
  • Page 263: Universal Plug-And-Play (Upnp)

    In turn, a device can leave a network smoothly and automatically when it is no longer in use. 19.1.1 What You Can Do in this Chapter The UPnP screen lets you enable UPnP on the P-2812HNU-51c (Section 19.3 on page 264).
  • Page 264: The Upnp Screen

    When a UPnP device joins a network, it announces its presence with a multicast message. For security reasons, the P-2812HNU-51c allows multicast messages on the LAN only. All UPnP-enabled devices may communicate freely with each other without additional configuration.
  • Page 265: Installing Upnp In Windows Example

    (although you must still enter the password to access the web configurator). Apply/Save Click this to save the setting to the P-2812HNU-51c. 19.4 Installing UPnP in Windows Example This section shows how to install UPnP in Windows Me and Windows XP.
  • Page 266 Click OK to go back to the Add/Remove Programs Properties window and click Next. Restart the computer when prompted. Installing UPnP in Windows XP Follow the steps below to install the UPnP in Windows XP. Click Start and Control Panel. Double-click Network Connections. P-2812HNU-51c User’s Guide...
  • Page 267 In the Network Connections window, click Advanced in the main menu and select Optional Networking Components …. Figure 126 Network Connections The Windows Optional Networking Components Wizard window displays. Select Networking Service in the Components selection box and click Details. Figure 127 Windows Optional Networking Components Wizard P-2812HNU-51c User’s Guide...
  • Page 268: 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 P- 2812HNU-51c. Make sure the computer is connected to a LAN port of the P-2812HNU-51c. Turn on your computer and the P-2812HNU-51c. Auto-discover Your UPnP-enabled Network Device Click Start and Control Panel.
  • Page 269 Chapter 19 Universal Plug-and-Play (UPnP) Right-click the icon and select Properties. Figure 129 Network Connections In the Internet Connection Properties window, click Settings to see the port mappings there were automatically created. Figure 130 Internet Connection Properties P-2812HNU-51c User’s Guide...
  • Page 270 You may edit or delete the port mappings or click Add to manually add port mappings. Figure 131 Internet Connection Properties: Advanced Settings Figure 132 Internet Connection Properties: Advanced Settings: Add When the UPnP-enabled device is disconnected from your computer, all port mappings will be deleted automatically. P-2812HNU-51c User’s Guide...
  • Page 271 Web Configurator Easy Access With UPnP, you can access the web-based configurator on the P-2812HNU-51c without finding out the IP address of the P-2812HNU-51c first. This comes helpful if you do not know the IP address of the P-2812HNU-51c. Follow the steps below to access the web configurator.
  • Page 272 Chapter 19 Universal Plug-and-Play (UPnP) Select My Network Places under Other Places. Figure 135 Network Connections An icon with the description for each UPnP-enabled device displays under Local Network. P-2812HNU-51c User’s Guide...
  • Page 273 Chapter 19 Universal Plug-and-Play (UPnP) Right-click on the icon for your P-2812HNU-51c and select Invoke. The web configurator login screen displays. Figure 136 Network Connections: My Network Places Right-click on the icon for your P-2812HNU-51c and select Properties. A properties window displays with basic information about the P-2812HNU-51c.
  • Page 274 Chapter 19 Universal Plug-and-Play (UPnP) P-2812HNU-51c User’s Guide...
  • Page 275: Parental Control

    20.1 Overview Parental control allows you to block web sites with the specific URL. You can also define time periods and days during which the P-2812HNU-51c performs parental control on a specific user. 20.1.1 What You Can Do in this Chapter •...
  • Page 276: Adding A Schedule

    Click the Remove icon to delete an existing schedule. Click Add to create a new schedule. Apply Click Apply to save your changes back to the P-2812HNU-51c. 20.2.1 Adding a Schedule Click the Add button in the Time Restriction screen to open the following screen.
  • Page 277: The Url Filter Screen

    MAC Address Enter the MAC address of the LAN user’s computer to which this schedule applies. Days of the week Select check boxes for the days that you want the P-2812HNU-51c to perform parental control. Start Blocking Enter the time period of each day, in 24-hour format, during which Time parental control will be enforced.
  • Page 278: Adding Url Filter

    The following table describes the fields in this screen. Table 98 URL Filter Configuration LABEL DESCRIPTION URL Address Enter the URL of web site to which the P-2812HNU-51c blocks or allows access. Port Number Specify the port number the web server uses to forward HTTP traffic. Back Click this button to return to the previous screen without saving any changes.
  • Page 279: Interface Group

    Interface Group 21.1 Overview By default, all LAN and WAN interfaces on the P-2812HNU-51c are in the same group and can communicate with each other. You can create multiple groups to have the P-2812HNU-51c assign the IP addresses in different domains to different groups.
  • Page 280 This shows the descriptive name of the group. WAN Interface This shows the WAN interfaces in the group. LAN Interfaces This shows the LAN interfaces in the group. Criteria This shows the filtering criteria for the goup. P-2812HNU-51c User’s Guide...
  • Page 281: Interface Group Configuration

    Click the Add button in the Interface Group screen to open the following screen. Use this screen to create a new interface group. Note: An interface can belong to a group only. Figure 144 Interface Group Configuration P-2812HNU-51c User’s Guide...
  • Page 282: Interface Grouping Criteria

    This shows the filtering criteria. The LAN interface on which the matched traffic is received will belong to this group automatically. Remove Click the Remove icon to delete this rule from the P-2812HNU-51c. Click this button to create a new rule. Back Click this button to return to the previous screen without saving any changes.
  • Page 283 Enter the model name of the device. Serial Enter the serial number of the device. Number Back Click this button to return to the previous screen without saving any changes. Apply Click this button to save your settings back to the P-2812HNU-51c. P-2812HNU-51c User’s Guide...
  • Page 284 Chapter 21 Interface Group P-2812HNU-51c User’s Guide...
  • Page 285: System Settings

    (Section 22.3 on page 286). 22.2 The General Screen Use the General screen to configure system settings such as the system password. Click Maintenance > System to open the General screen. Figure 146 Maintenance > System > General P-2812HNU-51c User’s Guide...
  • Page 286: The Time Setting Screen

    Click Cancel to begin configuring this screen afresh. 22.3 The Time Setting Screen To change your P-2812HNU-51c’s time and date, click Maintenance > System > Time Setting. The screen appears as shown. Use this screen to configure the P- 2812HNU-51c’s time based on your local time zone.
  • Page 287 Setup Manual Select this option to enter the time and date manually. Get from Time Select this option to have the P-2812HNU-51c get the time and date Server from the time server you specified below. First NTP time Select an NTP time server from the drop-down list box.
  • Page 288 Chapter 22 System Settings P-2812HNU-51c User’s Guide...
  • Page 289: Logs

    P-2812HNU-51c’s logs. The web configurator allows you to choose which categories of events and/or alerts to have the P-2812HNU-51c log and then display the logs or have the P- 2812HNU-51c send them to a syslog server. 23.1.1 What You Can Do in this Chapter •...
  • Page 290: The Log Settings Screen

    This field states the reason for the log. 23.3 The Log Settings Screen Use the Log Settings screen to configure to where the P-2812HNU-51c is to send logs and which logs and/or immediate alerts the P-2812HNU-51c is to record and display.
  • Page 291 Select to enable or disable system logging. Log Level Select the severity level of the logs that you want the P-2812HNU-51c to display, record and send to the log server. The P-2812HNU-51c displays and records the logs with the severity level equal to or higher than what you selected.
  • Page 292 Chapter 23 Logs P-2812HNU-51c User’s Guide...
  • Page 293: Tools

    • The Configuration screen lets you backup and restore device configurations (Section 24.3 on page 296). You can also reset your device settings back to the factory default. • The Restart screen lets you restart your P-2812HNU-51c (Section 24.4 on page 298). P-2812HNU-51c User’s Guide...
  • Page 294: The Firmware Screen

    24.2 The Firmware Screen Click Maintenance > Tools to open the Firmware screen. Follow the instructions in this screen to upload firmware to your P-2812HNU-51c. The upload process uses HTTP (Hypertext Transfer Protocol) and may take up to two minutes.
  • Page 295 After you see the Firmware Upload in Progress screen, wait two minutes before logging into the P-2812HNU-51c again. Figure 151 Firmware Upload In Progress The P-2812HNU-51c automatically restarts in this time causing a temporary network disconnect. In some operating systems, you may see the following icon on your desktop.
  • Page 296: The Configuration Screen

    Backup Configuration Backup Configuration allows you to back up (save) the P-2812HNU-51c’s current configuration to a file on your computer. Once your P-2812HNU-51c is configured and functioning properly, it is highly recommended that you back up your configuration file before making configuration changes. The backup configuration file will be useful in case you need to return to your previous settings.
  • Page 297 (.ZIP) files before you can upload them. Upload Click Upload to begin the upload process. Do not turn off the P-2812HNU-51c while configuration file upload is in progress. After you see a “restore configuration successful” screen, you must then wait one minute before logging into the P-2812HNU-51c again.
  • Page 298: The Restart Screen

    Figure 157 Configuration Upload Error Reset to Factory Defaults Click the Reset button to clear all user-entered configuration information and return the P-2812HNU-51c to its factory defaults. The following warning screen appears. Figure 158 Reset Warning Message You can also press the RESET button on the rear panel to reset the factory defaults of your P-2812HNU-51c.
  • Page 299 Chapter 24 Tools Click Maintenance > Tools > Restart. Click Restart to have the P-2812HNU- 51c reboot. This does not affect the P-2812HNU-51c's configuration. Figure 159 Maintenance > Tools >Restart P-2812HNU-51c User’s Guide...
  • Page 300 Chapter 24 Tools P-2812HNU-51c User’s Guide...
  • Page 301: Diagnostic

    Point (MEP) ports on the device under a Maintenance Domain (MD) level. An MEP port has the ability to send Connectivity Check Messages (CCMs) and get other MEP ports information from neighbor devices’ CCMs within an MA. CFM provides two tests to discover connectivity faults. P-2812HNU-51c User’s Guide...
  • Page 302: The General Diagnostic Screen

    Ping Click this button to ping the IP address that you entered. Traceoute Click this button to perform the traceroute function. This determines the path a packet takes to the specified host. P-2812HNU-51c User’s Guide...
  • Page 303: The 802.1Ag Screen

    Type a name of up to 39 printable English keyboard characters for this Domain (MD) Name The combined length of the MD Name and MA name must be less or equal to 44bytes. Maintenance Select a level (0-7) under which you want to create an MA. Domain (MD) Level P-2812HNU-51c User’s Guide...
  • Page 304 (MD). Options are VID, String and Format Integer. If you select VID or Integer, the P-2812HNU-51c adds the VLAN ID you specified for an MA in the CCM. If you select String, the P-2812HNU-51c adds the MA name you specified above in the CCM.
  • Page 305: The Oam Ping Test Screen

    Use this screen to perform an OAM (Operation, Administration and Maintenance) F4 or F5 loopback test on a PVC. The P-2812HNU-51c sends an OAM F4 or F5 packet to the DSLAM or ATM switch and then returns it to the P- 2812HNU-51c.
  • Page 306 ATM device. End-to-end loopback tests allow you to verify integrity of an end-to- end PVC. Note: The DSLAM to which the P-2812HNU-51c is connected must also support ATM F4 and/or F5 to use this test. Note: This screen is available only when you configure an ATM layer-2 interface.
  • Page 307: Troubleshooting

    Make sure you are using the power adaptor or cord included with the P-2812HNU- 51c. Make sure the power adaptor or cord is connected to the P-2812HNU-51c and plugged in to an appropriate power source. Make sure the power source is turned Turn the P-2812HNU-51c off and on.
  • Page 308: P-2812Hnu-51C Access And Login

    To do this in most Windows computers, click Start > Run, enter cmd, and then enter ipconfig. The IP address of the Default Gateway might be the IP address of the P-2812HNU-51c (it depends on the network), so enter this IP address in your Internet browser.
  • Page 309 JavaScripts and Java enabled. See Appendix C on page 367. Reset the device to its factory defaults, and try to access the P-2812HNU-51c with the default IP address. See Section 1.6 on page If the problem continues, contact the network administrator or vendor, or try one of the advanced suggestions.
  • Page 310: Internet Access

    I cannot access the P-2812HNU-51c again after configuring a new interface group. Make sure your computer is connected to a LAN port in the default group. Otherwise, you need to use the P-2812HNU-51c’s LAN IP address for the new group to access the P-2812HNU-51c again. 26.3 Internet Access I cannot access the Internet.
  • Page 311 Chapter 26 Troubleshooting I cannot access the Internet through a DSL connection. Check if you set the DSL/WAN switch (on the back of the P-2812HNU-51c) to the DSL side to have the P-2812HNU-51c use the DSL port for Internet access.
  • Page 312: Phone Calls And Voip

    Check the signal strength. If the signal strength is low, try moving your computer closer to the P-2812HNU-51c if possible, and look around to see if there are any devices that might be interfering with the wireless network (for example, microwaves, other wireless networks, and so on).
  • Page 313: Usb Device Connection

    Re-connect your USB device to the P-2812HNU-51c. 26.6 Wireless LAN Troubleshooting I cannot access the P-2812HNU-51c or ping any computer from the WLAN (wireless AP or router). P-2812HNU-51c User’s Guide...
  • Page 314 Make sure your computer (with a wireless adapter installed) is within the transmission range of the P-2812HNU-51c. Check that both the P-2812HNU-51c and your wireless station are using the same wireless and wireless security settings. Check if MAC Filter is configured to deny wireless access to certain MAC addresses to the P-2812HNU-51c.
  • Page 315: Product Specifications

    H A P T E R Product Specifications The following tables summarize the P-2812HNU-51c’s hardware and firmware features. 27.1 Hardware Specifications Table 111 Hardware Specifications Dimensions 240 (W) x 170 (D) x 60 (H) mm Weight 420 g Power Specification...
  • Page 316: Firmware Specifications

    Configuration Backup Make a copy of the P-2812HNU-51c’s configuration. You can put it & Restoration back on the P-2812HNU-51c later if you decide to revert back to an earlier configuration. Port Forwarding If you have a server (mail or web server for example) on your network, you can use this feature to let people access it from the Internet.
  • Page 317 Remote Management This allows you to decide whether a service (HTTPS or FTP traffic for example) from a computer on a network (LAN or WAN for example) can access the P-2812HNU-51c. PPPoE Support PPPoE (Point-to-Point Protocol over Ethernet) emulates a dial-up (RFC2516) connection.
  • Page 318 IP Multicasting IGMP v1 and v2 IGMP Proxy Management Embedded Web Configurator Remote Firmware Upgrade SNMP v1 & v2c with MIB II Embedded FTP/TFTP Server for firmware upgrade and configuration file backup and restore Syslog TR-069 TR-064 P-2812HNU-51c User’s Guide...
  • Page 319 ITU G.992.5 (ADSL2+) ITU standard (also referred to as ADSL2+) that extends the capability of basic ADSL by doubling the number of downstream bits. ITU-T G.993.2 ITU standard that defines VDSL2. (VDSL2) TR-069 DSL Forum Standard for CPE Wan Management. TR-064 DSL Forum LAN-Side DSL CPE Configuration P-2812HNU-51c User’s Guide...
  • Page 320 Chapter 27 Product Specifications P-2812HNU-51c User’s Guide...
  • Page 321: Appendix A Network Troubleshooting

    Before using the commands described in this section, ensure that you have the TCP/IP networking component installed and properly configured for your network adapter. Click Start > Control Panel > Network Connections and then open a Local Area Connection to display the following screen. Figure 164 TCP/IP Networking Component P-2812HNU-51c User’s Guide...
  • Page 322: The Command Line Interface

    Command descriptions always indicate the default syntax you must use when entering them on the command line. Some commands require additional parameters in order to execute properly. Some may have optional parameters. Parameters are displayed as follows: command [parameter] P-2812HNU-51c User’s Guide...
  • Page 323 IP Address... . : 192.168.1.1 Subnet Mask ... : 255.255.255.0 Default Gateway ..: 1.1.1.4 C:\> P-2812HNU-51c User’s Guide...
  • Page 324 IP Address... . : 192.168.1.2 Subnet Mask ... : 255.255.255.0 Default Gateway ..: 2.2.2.4 C:\> P-2812HNU-51c User’s Guide...
  • Page 325 The ping command line utility allows you to verify the connection and latency between your computer and either the P-2812HNU-51c or other devices on the network. If you cannot reach a target using this command, then it may indicate possible network trouble.
  • Page 326 A long ping response could indicate network problems: • on your side of the connection • between the start and end points of the connection • on the receiving end To determine where the slowdown is, you may need to use traceroute. P-2812HNU-51c User’s Guide...
  • Page 327 Syntax: tracert target The target can be an IP address or a host name. Parameters: tracert [-d] [-h maximumhops ] target There are other parameters but these are the only ones you need to use for now. P-2812HNU-51c User’s Guide...
  • Page 328 If you were having connection problems, this would most likely be the source of it. For whatever reason, the server in Japan has a less than optimal connection with its counterpart in the United States. P-2812HNU-51c User’s Guide...
  • Page 329 IP address to remove just that IP address (inet_addr). The - s parameter allows you to add entries based on IP address (inet_addr) and/or MAC address (eth_addr). There are other parameters but these are the only ones you need to use for now. P-2812HNU-51c User’s Guide...
  • Page 330 Change the IP address on either computer to an unused one to fix this problem. route The route command line utility allows you to display or adjust your computer’s network table. The routing table on your computer contains the default gateway P-2812HNU-51c User’s Guide...
  • Page 331 The destination 255.255.255.255 is used to find computers when an IP address is not known. For example, before the DHCP IP address of your computer is determined, your computer sends packets with the destination looking for DHCP servers on the network. P-2812HNU-51c User’s Guide...
  • Page 332 • To add a persistent route to the destination 172.16.3.0 with the subnet mask of 255.255.255.0 and the next hop address of 172.16.1.252, type: route -p add 172.16.3.0 mask 255.255.255.0 172.16.1.252. Note that the metric will be set to 1 if you do not specify any. P-2812HNU-51c User’s Guide...
  • Page 333 COMPUTERA:3243 localhost:3244 ESTABLISHED COMPUTERA:3244 localhost:3243 ESTABLISHED COMPUTERA:3246 localhost:3247 ESTABLISHED COMPUTERA:3247 localhost:3246 ESTABLISHED COMPUTERA:5091 localhost:1056 ESTABLISHED COMPUTERA:5152 localhost:3245 CLOSE_WAIT COMPUTERA:27015 localhost:1091 ESTABLISHED COMPUTERA:40000 localhost:1120 ESTABLISHED COMPUTERA:3229 172.20.0.201:http CLOSE_WAIT COMPUTERA:3234 172.16.1.29:1155 ESTABLISHED COMPUTERA:3237 172.16.1.29:1155 ESTABLISHED COMPUTERA:3240 172.16.1.29:1155 ESTABLISHED C:\> P-2812HNU-51c User’s Guide...
  • Page 334 LISTENING state. COMPUTERA:0 LISTENING A computer with an IP address of 172.16.1.29 is accessing the web service on the COMPUTERA. COMPUTERA:http 172.16.1.29:4036 ESTABLISHED COMPUTERA has established a TCP/IP NETBIOS connection (microsoft-ds) with a NAS device. COMPUTERA:2744 NAS:microsoft-ds ESTABLISHED P-2812HNU-51c User’s Guide...
  • Page 335 Appendix A Network Troubleshooting Additionally, you can use netstat -e to display Ethernet statistics as the following example. C:\ >netstat -e Interface Statistics Received Sent Bytes 25250033 7060325 Unicast packets 38838 34744 Non-unicast packets 38227 Discards Errors Unknown protocols P-2812HNU-51c User’s Guide...
  • Page 336 Appendix A Network Troubleshooting P-2812HNU-51c User’s Guide...
  • Page 337: Appendix B Setting Up Your Computer's Ip Address

    P P E N D I X Setting Up Your Computer’s IP Address Note: Your specific P-2812HNU-51c may not support all of the operating systems described in this appendix. See the product specifications for more information about which operating systems are supported.
  • Page 338 Appendix B Setting Up Your Computer’s IP Address Click Start > Control Panel. Figure 165 Windows XP: Start Menu In the Control Panel, click the Network Connections icon. Figure 166 Windows XP: Control Panel P-2812HNU-51c User’s Guide...
  • Page 339 Right-click Local Area Connection and then select Properties. Figure 167 Windows XP: Control Panel > Network Connections > Properties On the General tab, select Internet Protocol (TCP/IP) and then click Properties. Figure 168 Windows XP: Local Area Connection Properties P-2812HNU-51c User’s Guide...
  • Page 340 DNS server and an Alternate DNS server, if that information was provided. Click OK to close the Internet Protocol (TCP/IP) Properties window. Click OK to close the Local Area Connection Properties window. Verifying Settings Click Start > All Programs > Accessories > Command Prompt. P-2812HNU-51c User’s Guide...
  • Page 341: Windows Vista

    Windows Vista This section shows screens from Windows Vista Professional. Click Start > Control Panel. Figure 170 Windows Vista: Start Menu In the Control Panel, click the Network and Internet icon. Figure 171 Windows Vista: Control Panel P-2812HNU-51c User’s Guide...
  • Page 342 Figure 173 Windows Vista: Network and Sharing Center Right-click Local Area Connection and then select Properties. Figure 174 Windows Vista: Network and Sharing Center Note: During this procedure, click Continue whenever Windows displays a screen saying that it needs your permission to continue. P-2812HNU-51c User’s Guide...
  • Page 343 Appendix B Setting Up Your Computer’s IP Address Select Internet Protocol Version 4 (TCP/IPv4) and then select Properties. Figure 175 Windows Vista: Local Area Connection Properties P-2812HNU-51c User’s Guide...
  • Page 344 DNS server and an Alternate DNS server, if that information was provided.Click Advanced. Click OK to close the Internet Protocol (TCP/IP) Properties window. 10 Click OK to close the Local Area Connection Properties window. Verifying Settings Click Start > All Programs > Accessories > Command Prompt. P-2812HNU-51c User’s Guide...
  • Page 345 This section shows screens from Windows 7 Enterprise. Click Start > Control Panel. Figure 177 Windows 7: Start Menu In the Control Panel, click View network status and tasks under the Network and Internet category. Figure 178 Windows 7: Control Panel P-2812HNU-51c User’s Guide...
  • Page 346 Figure 179 Windows 7: Network And Sharing Center Double click Local Area Connection and then select Properties. Figure 180 Windows 7: Local Area Connection Status Note: During this procedure, click Continue whenever Windows displays a screen saying that it needs your permission to continue. P-2812HNU-51c User’s Guide...
  • Page 347 Appendix B Setting Up Your Computer’s IP Address Select Internet Protocol Version 4 (TCP/IPv4) and then select Properties. Figure 181 Windows 7: Local Area Connection Properties P-2812HNU-51c User’s Guide...
  • Page 348 Click OK to close the Internet Protocol (TCP/IP) Properties window. Click OK to close the Local Area Connection Properties window. Verifying Settings Click Start > All Programs > Accessories > Command Prompt. In the Command Prompt window, type "ipconfig" and then press [ENTER]. P-2812HNU-51c User’s Guide...
  • Page 349 Figure 183 Windows 7: Internet Protocol Version 4 (TCP/IPv4) Properties Mac OS X: 10.3 and 10.4 The screens in this section are from Mac OS X 10.4 but can also apply to 10.3. Click Apple > System Preferences. Figure 184 Mac OS X 10.4: Apple Menu P-2812HNU-51c User’s Guide...
  • Page 350 In the System Preferences window, click the Network icon. Figure 185 Mac OS X 10.4: System Preferences When the Network preferences pane opens, select Built-in Ethernet from the network connection type list, and then click Configure. Figure 186 Mac OS X 10.4: Network Preferences P-2812HNU-51c User’s Guide...
  • Page 351 Figure 187 Mac OS X 10.4: Network Preferences > TCP/IP Tab. For statically assigned settings, do the following: • From the Configure IPv4 list, select Manually. • In the IP Address field, type your IP address. • In the Subnet Mask field, type your subnet mask. P-2812HNU-51c User’s Guide...
  • Page 352 Click Apply Now and close the window. Verifying Settings Check your TCP/IP properties by clicking Applications > Utilities > Network Utilities, and then selecting the appropriate Network Interface from the Info tab. Figure 189 Mac OS X 10.4: Network Utility P-2812HNU-51c User’s Guide...
  • Page 353 The screens in this section are from Mac OS X 10.5 but can also apply to 10.6. Click Apple > System Preferences. Figure 190 Mac OS X 10.5: Apple Menu In System Preferences, click the Network icon. Figure 191 Mac OS X 10.5: Systems Preferences P-2812HNU-51c User’s Guide...
  • Page 354 From the Configure list, select Using DHCP for dynamically assigned settings. For statically assigned settings, do the following: • From the Configure list, select Manually. • In the IP Address field, enter your IP address. • In the Subnet Mask field, enter your subnet mask. P-2812HNU-51c User’s Guide...
  • Page 355 Appendix B Setting Up Your Computer’s IP Address • In the Router field, enter the IP address of your P-2812HNU-51c. Figure 193 Mac OS X 10.5: Network Preferences > Ethernet Click Apply and close the window. P-2812HNU-51c User’s Guide...
  • Page 356 The following screens use the default Ubuntu 8 installation. Note: Make sure you are logged in as the root administrator. Follow the steps below to configure your computer IP address in GNOME: P-2812HNU-51c User’s Guide...
  • Page 357 When the Network Settings window opens, click Unlock to open the Authenticate window. (By default, the Unlock button is greyed out until clicked.) You cannot make changes to your configuration unless you first enter your admin password. Figure 196 Ubuntu 8: Network Settings > Connections P-2812HNU-51c User’s Guide...
  • Page 358 In the Authenticate window, enter your admin account name and password then click the Authenticate button. Figure 197 Ubuntu 8: Administrator Account Authentication In the Network Settings window, select the connection that you want to configure, then click Properties. Figure 198 Ubuntu 8: Network Settings > Connections P-2812HNU-51c User’s Guide...
  • Page 359 • In the Configuration list, select Static IP address if you have a static IP address. Fill in the IP address, Subnet mask, and Gateway address fields. Click OK to save the changes and close the Properties dialog box and return to the Network Settings screen. P-2812HNU-51c User’s Guide...
  • Page 360 Figure 200 Ubuntu 8: Network Settings > DNS Click the Close button to apply the changes. Verifying Settings Check your TCP/IP properties by clicking System > Administration > Network Tools, and then selecting the appropriate Network device from the Devices P-2812HNU-51c User’s Guide...
  • Page 361 The following screens use the default openSUSE 10.3 installation. Note: Make sure you are logged in as the root administrator. Follow the steps below to configure your computer IP address in the KDE: P-2812HNU-51c User’s Guide...
  • Page 362 Click K Menu > Computer > Administrator Settings (YaST). Figure 202 openSUSE 10.3: K Menu > Computer Menu When the Run as Root - KDE su dialog opens, enter the admin password and click OK. Figure 203 openSUSE 10.3: K Menu > Computer Menu P-2812HNU-51c User’s Guide...
  • Page 363 Figure 204 openSUSE 10.3: YaST Control Center When the Network Settings window opens, click the Overview tab, select the appropriate connection Name from the list, and then click the Configure button. Figure 205 openSUSE 10.3: Network Settings P-2812HNU-51c User’s Guide...
  • Page 364 Select Dynamic Address (DHCP) if you have a dynamic IP address. Select Statically assigned IP Address if you have a static IP address. Fill in the IP address, Subnet mask, and Hostname fields. Click Next to save the changes and close the Network Card Setup window. P-2812HNU-51c User’s Guide...
  • Page 365 Click Finish to save your settings and close the window. Verifying Settings Click the KNetwork Manager icon on the Task bar to check your TCP/IP properties. From the Options sub-menu, select Show Connection Information. Figure 208 openSUSE 10.3: KNetwork Manager P-2812HNU-51c User’s Guide...
  • Page 366 Appendix B Setting Up Your Computer’s IP Address When the Connection Status - KNetwork Manager window opens, click the Statistics tab to see if your connection is working properly. Figure 209 openSUSE: Connection Status - KNetwork Manager P-2812HNU-51c User’s Guide...
  • Page 367: Appendix C Pop-Up Windows, Javascripts And Java Permissions

    Disable Pop-up Blockers In Internet Explorer, select Tools, Pop-up Blocker and then select Turn Off Pop-up Blocker. Figure 210 Pop-up Blocker You can also check if pop-up blocking is disabled in the Pop-up Blocker section in the Privacy tab. P-2812HNU-51c User’s Guide...
  • Page 368 Click Apply to save this setting. Enable Pop-up Blockers with Exceptions Alternatively, if you only want to allow pop-up windows from your device, see the following steps. In Internet Explorer, select Tools, Internet Options and then the Privacy tab. P-2812HNU-51c User’s Guide...
  • Page 369 Select Settings…to open the Pop-up Blocker Settings screen. Figure 212 Internet Options: Privacy Type the IP address of your device (the web page that you do not want to have blocked) with the prefix “http://”. For example, http://192.168.1.1. P-2812HNU-51c User’s Guide...
  • Page 370 Figure 213 Pop-up Blocker Settings Click Close to return to the Privacy screen. Click Apply to save this setting. JavaScripts If pages of the web configurator do not display properly in Internet Explorer, check that JavaScripts are allowed. P-2812HNU-51c User’s Guide...
  • Page 371 Figure 214 Internet Options: Security Click the Custom Level... button. Scroll down to Scripting. Under Active scripting make sure that Enable is selected (the default). Under Scripting of Java applets make sure that Enable is selected (the default). P-2812HNU-51c User’s Guide...
  • Page 372: Java Permissions

    Figure 215 Security Settings - Java Scripting Java Permissions From Internet Explorer, click Tools, Internet Options and then the Security tab. Click the Custom Level... button. Scroll down to Microsoft VM. Under Java permissions make sure that a safety level is selected. P-2812HNU-51c User’s Guide...
  • Page 373 Click OK to close the window. Figure 216 Security Settings - Java JAVA (Sun) From Internet Explorer, click Tools, Internet Options and then the Advanced tab. Make sure that Use Java 2 for <applet> under Java (Sun) is selected. P-2812HNU-51c User’s Guide...
  • Page 374 Mozilla Firefox 2.0 screens are used here. Screens for other versions may vary. You can enable Java, Javascripts and pop-ups in one screen. Click Tools, then click Options in the screen that appears. Figure 218 Mozilla Firefox: Tools > Options P-2812HNU-51c User’s Guide...
  • Page 375 Appendix C Pop-up Windows, JavaScripts and Java Permissions Click Content.to show the screen below. Select the check boxes as shown in the following screen. Figure 219 Mozilla Firefox Content Security P-2812HNU-51c User’s Guide...
  • Page 376 Appendix C Pop-up Windows, JavaScripts and Java Permissions P-2812HNU-51c User’s Guide...
  • Page 377: Appendix D Ip Addresses And Subnetting

    192.168.1.1). Each of these four parts is known as an octet. An octet is an eight-digit binary number (for example 11000000, which is 192 in decimal notation). Therefore, each octet has a possible range of 00000000 to 11111111 in binary, or 0 to 255 in decimal. P-2812HNU-51c User’s Guide...
  • Page 378: Subnet Masks

    Table 116 IP Address Network Number and Host ID Example OCTET: OCTET: OCTET: OCTET (192) (168) IP Address (Binary) 11000000 10101000 00000001 00000010 Subnet Mask (Binary) 11111111 11111111 11111111 00000000 Network Number 11000000 10101000 00000001 Host ID 00000010 P-2812HNU-51c User’s Guide...
  • Page 379 MAXIMUM NUMBER OF SUBNET MASK HOST ID SIZE HOSTS 8 bits 255.0.0.0 24 bits – 2 16777214 16 bits 255.255.0.0 16 bits – 2 65534 24 bits 255.255.255.0 8 bits – 2 29 bits 255.255.255.248 3 bits – 2 P-2812HNU-51c User’s Guide...
  • Page 380 In this example, the company network address is 192.168.1.0. The first three octets of the address (192.168.1) are the network number, and the remaining octet is the host ID, allowing a maximum of 2 – 2 or 254 possible hosts. P-2812HNU-51c User’s Guide...
  • Page 381 The “borrowed” host ID bit can have a value of either 0 or 1, allowing two subnets; 192.168.1.0 /25 and 192.168.1.128 /25. The following figure shows the company network after subnetting. There are now two sub-networks, A and B. Figure 222 Subnetting Example: After Subnetting P-2812HNU-51c User’s Guide...
  • Page 382 Table 121 Subnet 2 LAST OCTET BIT IP/SUBNET MASK NETWORK NUMBER VALUE IP Address 192.168.1. IP Address (Binary) 11000000.10101000.00000001. 01000000 Subnet Mask (Binary) 11111111.11111111.11111111. 11000000 Subnet Address: Lowest Host ID: 192.168.1.65 192.168.1.64 Broadcast Address: Highest Host ID: 192.168.1.126 192.168.1.127 P-2812HNU-51c User’s Guide...
  • Page 383 Similarly, use a 27-bit mask to create eight subnets (000, 001, 010, 011, 100, 101, 110 and 111). The following table shows IP address last octet values for each subnet. Table 124 Eight Subnets SUBNET LAST BROADCAST SUBNET FIRST ADDRESS ADDRESS ADDRESS ADDRESS P-2812HNU-51c User’s Guide...
  • Page 384: Configuring Ip Addresses

    255.255.255.248 (/29) 8192 255.255.255.252 (/30) 16384 255.255.255.254 (/31) 32768 Configuring IP Addresses 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 P-2812HNU-51c User’s Guide...
  • Page 385 Number Authority (IANA) reserved this block of addresses specifically for private use; please do not use any other number unless you are told otherwise. You must also enable Network Address Translation (NAT) on the P-2812HNU-51c. Once you have decided on the network number, pick an IP address for your P- 2812HNU-51c that is easy to remember (for instance, 192.168.1.1) but make...
  • Page 386 Since a router connects different networks, it must have interfaces using different network numbers. For example, if a router is set between a LAN and the Internet (WAN), the router’s LAN and WAN addresses must be on different subnets. In the P-2812HNU-51c User’s Guide...
  • Page 387 LAN port both use 192.168.1.1 as the IP address. The computer cannot access the Internet. This problem can be solved by assigning a different IP address to the computer or the router’s LAN port. Figure 225 Conflicting Computer and Router IP Addresses Example P-2812HNU-51c User’s Guide...
  • Page 388 Appendix D IP Addresses and Subnetting P-2812HNU-51c User’s Guide...
  • Page 389: Appendix E Wireless Lans

    P P E N D I X Wireless LANs Note: Your specific P-2812HNU-51c may not support all of the wireless security types described in this appendix. See the product specifications for more information about which wireless security types are supported.
  • Page 390 This wired connection between APs is called a Distribution System (DS). This type of wireless LAN topology is called an Infrastructure WLAN. The Access Points not only provide communication with the wired network but also mediate wireless network traffic in the immediate neighborhood. P-2812HNU-51c User’s Guide...
  • Page 391 AP is using channel 1, then you need to select a channel between 6 or 11. RTS/CTS A hidden node occurs when two stations are within range of the same access point, but are not within range of each other. The following figure illustrates a P-2812HNU-51c User’s Guide...
  • Page 392 RTS (Request To Send)/CTS (Clear to Send) handshake will never occur as data frames will be fragmented before they reach RTS/CTS size. Note: Enabling the RTS Threshold causes redundant network overhead that could negatively affect the throughput performance instead of providing a remedy. P-2812HNU-51c User’s Guide...
  • Page 393: Fragmentation Threshold

    Use the dynamic setting to automatically use short preamble when all wireless devices on the network support it, otherwise the P-2812HNU-51c uses long preamble. Note: The wireless devices MUST use the same preamble mode in order to communicate.
  • Page 394 Wi-Fi Protected Access (WPA) Most Secure WPA2 Note: You must enable the same wireless security settings on the P-2812HNU-51c and on all wireless clients that you want to associate with it. IEEE 802.1x In June 2001, the IEEE 802.1x standard was designed to extend the features of IEEE 802.11 to support extended authentication as well as providing additional...
  • Page 395 Sent by a RADIUS server allowing access. • 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. P-2812HNU-51c User’s Guide...
  • Page 396: Types Of Eap Authentication

    Thus someone other than the authentication server may access the password file. In addition, it is possible to impersonate an authentication server as MD5 authentication method does not perform mutual authentication. Finally, MD5 P-2812HNU-51c User’s Guide...
  • Page 397: Dynamic Wep Key Exchange

    If this feature is enabled, it is not necessary to configure a default encryption key in the wireless security configuration screen. You may still configure and store keys, but they will not be used while dynamic WEP is enabled. P-2812HNU-51c User’s Guide...
  • Page 398: Wpa And Wpa2

    Select WEP only when the AP and/or wireless clients do not support WPA or WPA2. WEP is less secure than WPA or WPA2. Encryption WPA improves data encryption by using Temporal Key Integrity Protocol (TKIP), Message Integrity Check (MIC) and IEEE 802.1x. WPA2 also uses TKIP when P-2812HNU-51c User’s Guide...
  • Page 399 (CCMP 4-way handshake) and shortens the time required to connect to a network. Other WPA2 authentication features that are different from WPA include key caching and pre- P-2812HNU-51c User’s Guide...
  • Page 400 The RADIUS server then checks the user's identification against its database and grants or denies network access accordingly. A 256-bit Pairwise Master Key (PMK) is derived from the authentication process by the RADIUS server and the client. P-2812HNU-51c User’s Guide...
  • Page 401 The AP checks each wireless client's password and allows it to join the network only if the password matches. The AP and wireless clients generate a common PMK (Pairwise Master Key). The key itself is not sent over the network, but is derived from the PSK and the SSID. P-2812HNU-51c User’s Guide...
  • Page 402: Security Parameters Summary

    Enable without Dynamic WEP Open Enable with Dynamic WEP Key Enable without Dynamic WEP Disable Shared Enable with Dynamic WEP Key Enable without Dynamic WEP Disable TKIP/AES Enable WPA-PSK TKIP/AES Disable WPA2 TKIP/AES Enable WPA2-PSK TKIP/AES Disable P-2812HNU-51c User’s Guide...
  • Page 403: Antenna Characteristics

    Types of Antennas for WLAN There are two types of antennas used for wireless LAN applications. P-2812HNU-51c User’s Guide...
  • Page 404: Positioning Antennas

    For omni-directional antennas mounted on a wall or ceiling, point the antenna down. For a single AP application, place omni-directional antennas as close to the center of the coverage area as possible. For directional antennas, point the antenna in the direction of the desired coverage area. P-2812HNU-51c User’s Guide...
  • Page 405: Appendix F Common Services

    Border Gateway Protocol. BOOTP_CLIENT DHCP Client. BOOTP_SERVER DHCP Server. CU-SEEME 7648 A popular videoconferencing solution from White Pines Software. 24032 TCP/UDP Domain Name Server, a service that matches web names (for example www.zyxel.com) to IP numbers. P-2812HNU-51c User’s Guide...
  • Page 406 ICMP echo requests to test whether or not a remote host is reachable. POP3 Post Office Protocol version 3 lets a client computer get e-mail from a POP3 server through a temporary connection (TCP/IP or other). P-2812HNU-51c User’s Guide...
  • Page 407 Access Controller Access Control System). TELNET Telnet is the login and terminal emulation protocol common on the Internet and in UNIX environments. It operates over TCP/IP networks. Its primary function is to allow users to log into remote host systems. P-2812HNU-51c User’s Guide...
  • Page 408 Table 131 Commonly Used Services (continued) NAME PROTOCOL PORT(S) DESCRIPTION TFTP Trivial File Transfer Protocol is an Internet file transfer protocol similar to FTP, but uses the UDP (User Datagram Protocol) rather than TCP (Transmission Control Protocol). VDOLIVE 7000 Another videoconferencing solution. P-2812HNU-51c User’s Guide...
  • Page 409: Appendix G Open Software Announcements

    ACQUIRED OR ZyXEL, AND YOUR MONEY WILL BE REFUNDED. Grant of License for Personal Use ZyXEL Communications Corp. ("ZyXEL") grants you a non-exclusive, non- sublicense, non-transferable license to use the program with which this license is distributed (the "Software"), including any documentation files accompanying the Software ("Documentation"), for internal business use only, for up to the number...
  • Page 410 Software using at least as great a degree of care as you use to maintain the confidentiality of your own most confidential information. You agree to reasonably communicate the terms P-2812HNU-51c User’s Guide...
  • Page 411 LAWS, REGULATIONS, ORDERS, OR OTHER RESTRICTIONS ON THE EXPORT OF THE SOFTWARE OR INFORMATION ABOUT SUCH SOFTWARE WHICH MAY BE IMPOSED FROM TIME TO TIME. YOU SHALL NOT EXPORT THE SOFTWARE, DOCUMENTATION OR INFORMATION ABOUT THE SOFTWARE AND P-2812HNU-51c User’s Guide...
  • Page 412 Agreement shall be interpreted so as to reasonably effect the intention of the parties. Note: Some components of this product incorporate source code covered under the open source code licenses. To obtain the source code covered under those Licenses, please check ZyXEL Technical Support (support@zyxel.com.tw) to get it. P-2812HNU-51c User’s Guide...
  • Page 413 Appendix G Open Software Announcements Open-Source Packages for "P-2812HNU-51c" 3RD PARTY WEB ADDRESS OF THE SOFTWARE LICENSE VERSION SOFTWARE TERM MIPS Linux kernel 2.6.21.5 http://www.linux-mips.org Bridge-Utils http://bridge.sourceforge.net bftpd 1.0.24 http://www.bftpd.org/ busybox 1'00 http://www.busybox.net/ Dnsmasq 2.48 http://www.thekelleys.org.uk/dnsmasq/ ebtables 2.0.6 http://ebtables.sourceforge.net iproute2 2.4.7...
  • Page 414: Gnu General Public License

    Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain P-2812HNU-51c User’s Guide...
  • Page 415 (or else, saying that you provide a warranty) and that users may redistribute the program under these conditions, P-2812HNU-51c User’s Guide...
  • Page 416 If distribution of executable or object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same P-2812HNU-51c User’s Guide...
  • Page 417 This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License. P-2812HNU-51c User’s Guide...
  • Page 418 OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN P-2812HNU-51c User’s Guide...
  • Page 419: Openssl License

    This Product includes OpenSSL v0.9.7f under the OpenSSL License. OpenSSL License Copyright (c) 1998-2008 The OpenSSL Project. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: P-2812HNU-51c User’s Guide...
  • Page 420: Original Ssleay License

    USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. This product includes cryptographic software written by Eric Young (eay@cryptsoft.com). This product includes software written by Tim Hudson (tjh@cryptsoft.com). Original SSLeay License Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) P-2812HNU-51c User’s Guide...
  • Page 421 BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. P-2812HNU-51c User’s Guide...
  • Page 422 Appendix G Open Software Announcements The licence and distribution terms for any publically available version or derivative of this code cannot be changed. i.e. this code cannot simply be copied and put under another distribution licence [including the GNU Public Licence.] P-2812HNU-51c User’s Guide...
  • Page 423: Appendix H Legal Information

    ZyXEL further reserves the right to make changes in any products described herein without notice. This publication is subject to change without notice. Your use of the P-2812HNU-51c is subject to the terms and conditions of any related service providers. Trademarks ZyNOS (ZyXEL Network Operating System) is a registered trademark of ZyXEL Communications, Inc.
  • Page 424 This device complies with RSS-210 of the Industry Canada Rules. Operation is subject to the following two conditions: 1) this device may not cause interference and 2) this device must accept any interference, including interference that may cause undesired operation of the device P-2812HNU-51c User’s Guide...
  • Page 425 This device has been designed for the WLAN 2.4 GHz network throughout the EC region and Switzerland, with restrictions in France. This Class B digital apparatus complies with Canadian ICES-003. P-2812HNU-51c User’s Guide...
  • Page 426: Zyxel Limited Warranty

    To obtain the services of this warranty, contact your vendor. You may also refer to the warranty policy for the region in which you bought the device at http:// www.zyxel.com/web/support_warranty_info.php. Registration Register your product online to receive e-mail notices of firmware upgrades and information at www.zyxel.com. P-2812HNU-51c User’s Guide...
  • Page 427: Index

    Auto Configuration Server, see ACS Certification Authority auto-negotiating rate adaptation Certification Authority. see CA certifications notices viewing backup CCMs Basic Service Set, See BSS link trace test blinking LEDs loopback test broadcast BYE request channel interference channel ID CIFS 217, 397 P-2812HNU-51c User’s Guide...
  • Page 428 DiffServ (Differentiated Services) F4 cells code points F4/F5 OAM marking rule F5 cells digital IDs FCC interference statement disclaimer file sharing 24, 208 Finger DNS server address assignment firmware Domain Name upload domain name system upload error see DNS P-2812HNU-51c User’s Guide...
  • Page 429 Link Trace Message, see LTM IGMP v2 Link Trace Response, see LTR importing certificates 220, 224 logs Independent Basic Service Set overview See IBSS settings initialization vector (IV) Loop Back Response, see LBR install UPnP loopback Windows Me Windows XP P-2812HNU-51c User’s Guide...
  • Page 430 POP3 169, 211, 212 port number 160, 169 ports services Symmetric power adaptor NAT example power specifications NAT traversal PPP (Point-to-Point Protocol) Link Layer Protocol netstat PPP over ATM AAL5 Network Address Translation, see NAT P-2812HNU-51c User’s Guide...
  • Page 431 Remote Procedure Calls, see RPCs INVITE request 193, 195 resetting your device number OK response restore proxy server RFC 1058. See RIP. redirect server RFC 1389. See RIP. register server RFC 1483 111, 318 servers RFC 1631 service domain RFC 1889 P-2812HNU-51c User’s Guide...
  • Page 432 Tag Protocol Identifier See TPID VLAN Introduction number of possible VIDs TCP/IP priority frame temperature static Temporal Key Integrity Protocol (TKIP) VLAN ID three-way conference 201, 202 VLAN Identifier See VID VLAN tag TPID voice activity detection TR-064 P-2812HNU-51c User’s Guide...
  • Page 433 Wireless tutorial WLAN interference security parameters WLAN button key caching pre-authentication user authentication vs WPA-PSK wireless client supplicant with RADIUS application example WPA2 user authentication vs WPA2-PSK wireless client supplicant with RADIUS application example WPA2-Pre-Shared Key P-2812HNU-51c User’s Guide...

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