ZyXEL Communications EMG2306-R10A User Manual
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ZyXEL Communications EMG2306-R10A User Manual

Wireless n300 4-port gigabit ethernet gateway
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EMG2306-R10A
Wireless N300 4-port Gigabit Ethernet Gateway
Version 1.00(AAJM.0)
Edition 2, 7/2013
Quick Start Guide
User's Guide
Default Login Details
LAN IP Address
User Name
Password
www.zyxel.com
User Name
Password
http://192.168.1.1
supervisor
supervisor
admin
1234
Copyright © 2013 ZyXEL Communications Corporation

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  • Page 1 Wireless N300 4-port Gigabit Ethernet Gateway Version 1.00(AAJM.0) Edition 2, 7/2013 Quick Start Guide User’s Guide Default Login Details LAN IP Address http://192.168.1.1 User Name supervisor Password supervisor www.zyxel.com User Name admin Password 1234 Copyright © 2013 ZyXEL Communications Corporation...
  • Page 2 Related Documentation • Quick Start Guide The Quick Start Guide shows how to connect the EMG2306-R10A and access the Web Configurator. It contains information on setting up your wireless network. EMG2306-R10A User’s Guide...

  • Page 3: Table Of Contents

    Contents Overview Contents Overview User’s Guide ........................... 10 Introduction ..........................12 Introducing the Web Configurator ....................16 Monitor ............................19 EMG2306-R10A Modes ......................24 Router Mode ..........................25 Access Point Mode ........................32 Tutorials .............................40 Technical Reference ......................52 WAN ............................54 Wireless LAN ..........................70 LAN ............................89 DHCP Server ..........................93...

  • Page 4: Table Of Contents

    Chapter 1 Introduction..........................12 1.1 Overview ..........................12 1.2 Applications ..........................12 1.3 Ways to Manage the EMG2306-R10A .................12 1.4 Good Habits for Managing the EMG2306-R10A ..............12 1.5 LEDs ............................13 1.6 The WPS Button ........................14 1.7 Wall Mounting ........................15 Chapter 2 Introducing the Web Configurator ..................16 2.1 Overview ..........................16...
  • Page 5 6.1 Overview ..........................32 6.2 What You Can Do ........................32 6.3 What You Need to Know ......................32 6.3.1 Setting your EMG2306-R10A to AP Mode ..............33 6.3.2 Accessing the Web Configurator in Access Point Mode ..........33 6.3.3 Configuring your WLAN and Maintenance Settings ...........34 6.4 AP Mode Status Screen .......................34...
  • Page 6 10.3.2 LAN TCP/IP ......................90 10.3.3 IP Alias ........................90 10.4 LAN IP Screen ........................91 10.5 IP Alias Screen ........................91 Chapter 11 DHCP Server ........................... 93 11.1 Overview ..........................93 11.2 What You Can Do .......................93 11.3 What You Need To Know ....................93 EMG2306-R10A User’s Guide...
  • Page 7 16.3 What You Need To Know ....................114 16.4 The Firewall General Screen ..................115 16.5 The Services Screen ......................116 Chapter 17 Content Filtering ........................118 17.1 Overview .......................... 118 17.2 What You Need To Know ....................118 17.3 Content Filter ........................119 EMG2306-R10A User’s Guide...
  • Page 8 20.5 Time Setting Screen ......................140 20.6 Firmware Upgrade Screen ....................141 20.7 Configuration Backup/Restore Screen ................143 20.8 Restart Screen .........................144 20.9 Language .........................144 20.10 System Operation Mode Overview ................145 20.11 Sys OP Mode Screen .....................146 Chapter 21 Troubleshooting........................148 EMG2306-R10A User’s Guide...
  • Page 9 21.2 Power, Hardware Connections, and LEDs ...............148 21.3 EMG2306-R10A Access and Login .................149 21.4 Internet Access ........................151 21.5 Resetting the EMG2306-R10A to Its Factory Defaults .............152 21.6 Wireless Router/AP Troubleshooting ................152 Appendix A Pop-up Windows, JavaScript and Java Permissions ........155 Appendix B IP Addresses and Subnetting................

  • Page 10: User's Guide

    User’s Guide...

  • Page 12: Introduction

    1.2 Applications Your can create the following networks using the EMG2306-R10A: • Wired. You can connect network devices via the Ethernet ports of the EMG2306-R10A so that they can communicate with each other and access the Internet. • Wireless. Wireless clients can connect to the EMG2306-R10A to access network resources.

  • Page 13: Leds

    If you forget your password, you will have to reset the EMG2306-R10A to its factory default settings. If you backed up an earlier configuration file, you would not have to totally re-configure the EMG2306-R10A.

  • Page 14: The Wps Button

    (INTERNET) 1.6 The WPS Button Your EMG2306-R10A supports WiFi Protected Setup (WPS), which is an easy way to set up a secure wireless network. WPS is an industry standard specification, defined by the WiFi Alliance. WPS allows you to quickly set up a wireless network with strong security, without having to configure security settings manually.

  • Page 15: Wall Mounting

    Make sure the screws are fastened well enough to hold the weight of the EMG2306-R10A with the connection cables. Align the holes on the back of the EMG2306-R10A with the screws on the wall. Hang the EMG2306- R10A on the screws.

  • Page 16: Introducing The Web Configurator

    Internet Explorer. 2.2 Login Accounts There are two system accounts that you can use to log in to the EMG2306-R10A: “admin” and “supervisor”. These two accounts have different privilege levels. The web configurator screens vary depending on which account you use to log in.
  • Page 17 Table 3 Login screen LABEL DESCRIPTION User Name Type “admin” or “supervisor” as the user name. Note: Admin is displayed in Figure Password Type “1234” (default) as the password. Login Click Login to enter the EMG2306-R10A’s web configurator. EMG2306-R10A User’s Guide...

  • Page 18: Resetting The Emg2306-R10A

    Make sure the power LED is on. Press the RESET button for longer than 1 second to restart/reboot the EMG2306-R10A. Press the RESET button for longer than 5 seconds to set the EMG2306-R10A back to its factory- default configurations. EMG2306-R10A User’s Guide...

  • Page 19: Monitor

    • Use the WLAN Station Status screen to view the wireless stations that are currently associated to the EMG2306-R10A (Section 3.6 on page 23). 3.3 The Log Screen The Web Configurator allows you to look at all of the EMG2306-R10A’s logs in one location. EMG2306-R10A User’s Guide...

  • Page 20: View Log

    Click Monitor > Log to open the View Log screen. You can see the logged messages for the EMG2306-R10A. The log wraps around and deletes the old entries after it fills. Click Clear Log to delete all the logs. Click Refresh to renew the log screen.
  • Page 21 00:A0:C5:00:00:02. Reserve Select this if you want to reserve the IP address for this specific MAC address. Apply Click Apply to save your changes back to the EMG2306-R10A. Cancel Click Cancel to exit this screen without saving. EMG2306-R10A User’s Guide...

  • Page 22: Packet Statistics

    Rx B/s This displays the reception speed in bytes per second on this port. Up Time This is the total time the EMG2306-R10A has been for each session. System Up Time This is the total time the EMG2306-R10A has been on.

  • Page 23: Wlan Station Status

    Click the WLAN Station Status (Details...) hyperlink in the Status screen or Monitor > WLAN Station Status. View the wireless stations that are currently associated to the EMG2306-R10A in the Association List. Association means that a wireless client (for example, your network or computer with a wireless network card) has connected successfully to the AP (or wireless router) using the same SSID, channel and security settings.

  • Page 24: Emg2306-R10A Modes

    4.1.1 Device Modes These are the operating mode of the EMG2306-R10A: • Router: This is the default device mode of the EMG2306-R10A. Use this mode to connect the local network to another network, like the Internet. Go to Section 5.2 on page 26 to view the Status screen in this mode.

  • Page 25: Router Mode

    Router Mode 5.1 Overview The EMG2306-R10A is set to router mode by default. Routers are used to connect the local network to another network (for example, the Internet). In the figure below, the EMG2306-R10A connects the local network (LAN1 ~ LAN4) to the Internet.

  • Page 26: Router Mode Status Screen

    Click this button to refresh the status screen statistics. Click this icon to see the Status page. The information in this screen depends on the device mode you select. EMG2306-R10A User’s Guide...
  • Page 27 This displays what percentage of the EMG2306-R10A’s processing ability is currently used. When this percentage is close to 100%, the EMG2306-R10A is running at full load, and the throughput is not going to improve anymore. If you want some applications to have more throughput, you should turn off other applications (for example, using bandwidth management.)
  • Page 28 This shows whether UPnP is enabled or not. Interface Status Interface This displays the EMG2306-R10A port types. The port types are: WAN, LAN and WLAN. Status For the LAN and WAN ports, this field displays Down (line is down) or Up (line is up or connected).

  • Page 29: Navigation Panel

    Chapter 5 Router Mode 5.2.1 Navigation Panel Use the sub-menus on the navigation panel to configure EMG2306-R10A features. Figure 12 Navigation Panel: Router Mode The following table describes the sub-menus. Table 10 Navigation Panel: Router Mode LINK FUNCTION Status This screen shows the EMG2306-R10A’s general device, system and interface status information.
  • Page 30 Use this screen to set up Wireless Distribution System links to other access points. Use this screen to configure LAN IP address and subnet mask. IP Alias Use this screen to have the EMG2306-R10A apply IP alias to create LAN subnets. DHCP Server General Use this screen to enable the EMG2306-R10A’s DHCP server.
  • Page 31 Use this screen to backup and restore the configuration or reset the factory Restore Restore defaults to your EMG2306-R10A. Reset/ Restart This screen allows you to reboot the EMG2306-R10A without turning the Restart power off. Language Language Use this screen to select the language for your EMG2306-R10A interface.

  • Page 32: Access Point Mode

    Access Point Mode 6.1 Overview Use your EMG2306-R10A as an access point (AP) if you already have a router or gateway on your network. In this mode your EMG2306-R10A bridges a wired network (LAN) and wireless LAN (WLAN) in the same subnet. See the figure below for an example.

  • Page 33: Setting Your Emg2306-R10A To Ap Mode

    Log into the Web Configurator if you haven’t already. See the Quick start Guide for instructions on how to do this. To use your EMG2306-R10A as an access point, go to Maintenance > Sys OP Mode > General and select Access Point mode.

  • Page 34: Configuring Your Wlan And Maintenance Settings

    Chapter 20 on page 137 for information on configuring your Maintenance settings. 6.4 AP Mode Status Screen Click to open the Status screen. Figure 16 Status Screen: Access Point Mode The following table describes the labels shown in the Status screen. EMG2306-R10A User’s Guide...
  • Page 35 This displays what percentage of the EMG2306-R10A’s processing ability is currently used. When this percentage is close to 100%, the EMG2306-R10A is running at full load, and the throughput is not going to improve anymore. If you want some applications to have more throughput, you should turn off other applications (for example, using bandwidth management.)
  • Page 36 EMG2306-R10A. 6.4.0.1 Navigation Panel Use the menu in the navigation panel to configure EMG2306-R10A features in Access Point mode. The following screen and table show the features you can configure in Access Point mode. Figure 17 Menu: Access Point Mode The following table describes the sub-menus.

  • Page 37: Lan Screen

    Use this screen to set up Wireless Distribution System links to other access points. Use this screen to configure LAN IP address and subnet mask. IP Alias Use this screen to have the EMG2306-R10A apply IP alias to create LAN subnets. MAINTENANCE General...
  • Page 38 Also, when you select this, you cannot enter an IP address for your EMG2306-R10A in the field below. Static IP Address Click this if you want to specify the IP address of your EMG2306-R10A. Or if your ISP or network administrator gave you a static IP address to access the network or the Internet.
  • Page 39 DESCRIPTION First DNS Server Select From ISP if your ISP dynamically assigns DNS server information (and the EMG2306-R10A's WAN IP address). The field to the right displays the (read-only) DNS Second DNS Server server IP address that the ISP assigns.

  • Page 40: Tutorials

    41. This is the more secure method, since one device can authenticate the other. 7.2.1 Push Button Configuration (PBC) Make sure that your EMG2306-R10A is turned on. Make sure the device is placed within range of your computer. Make sure that you have installed the wireless client (this example uses the NWD210N) driver and utility in your notebook.

  • Page 41: Pin Configuration

    Chapter 7 Tutorials Note: Your EMG2306-R10A has a WPS button located on top panel, as well as a WPS button in its configuration utility. Both buttons have exactly the same function; you can use one or the other. Note: It doesn’t matter which button is pressed first. You must press the second button within two minutes of pressing the first one.

  • Page 42: Configure Wireless Security Without Wps

    Click Start buttons (or button next to the PIN field) on both the wireless client utility screen and the EMG2306-R10A’s WPS Station screen within two minutes. The EMG2306-R10A authenticates the wireless client and sends the proper configuration settings to the wireless client. This may take up to two minutes. Then the wireless client is able to communicate with the EMG2306-R10A securely.
  • Page 43 Web Configurator through your LAN connection (see Section 2.3 on page 16). Make sure the WLAN switch (at the back panel of the EMG2306-R10A) is set to ON. Open the Configuration > Network > Wireless LAN > General screen in the AP’s Web Configurator.

  • Page 44: Configure Your Notebook

    Note: We use the ZyXEL M-302 wireless adapter utility screens as an example for the wireless client. The screens may vary for different models. The EMG2306-R10A supports IEEE 802.11b, IEEE 802.11g and IEEE 802.11n wireless clients. Make sure that your notebook or computer’s wireless adapter supports one of these standards.
  • Page 45 Chapter 7 Tutorials Select SSID_Example3 and click Connect. Select WPA-PSK and type the security key in the following screen. Click Next. The Confirm Save window appears. Check your settings and click Save to continue. EMG2306-R10A User’s Guide...

  • Page 46: Using Multiple Ssids On The Emg2306-R10A

    7.4 Using Multiple SSIDs on the EMG2306-R10A You can configure more than one SSID on a EMG2306-R10A when it is operating in access point or universal repeater mode. This allows you to configure multiple independent wireless networks on the EMG2306-R10A as if there were multiple APs (virtual APs).

  • Page 47: Configuring Security Settings Of Multiple Ssids

    Connect your computer to the LAN port of the EMG2306-R10A using an Ethernet cable. The default IP address of the EMG2306-R10A in router mode is “192.168.1.1”. In this case, your computer must have an IP address in the range between “192.168.1.2” and “192.168.1.254”.
  • Page 48 Click Apply. Click the Edit icon of the second entry to configure wireless and security settings for SSID_VoIP. 10 Configure the screen as follows. You do not enable Intra-BSS Traffic for SSID_VoIP. Click Apply. EMG2306-R10A User’s Guide...
  • Page 49 12 Configure the screen as follows. In this example, you enable Intra-BSS Traffic for SSID_Guest to allow wireless clients in the same wireless network to communicate with each other. Select Enable Guest WLAN to allow clients to access the Internet only. Click Apply. EMG2306-R10A User’s Guide...
  • Page 50 SSID_VoIP from the SSID Select drop-down list, enable MAC address filtering and set the Filter Action to Allow. Enter the VoIP device’s MAC address in the Mac Address field and click Apply to allow only the VoIP device to associate with the EMG2306-R10A using this SSID. EMG2306-R10A User’s Guide...
  • Page 51 Chapter 7 Tutorials EMG2306-R10A User’s Guide...

  • Page 52: Technical Reference

    Technical Reference...

  • Page 54: Wan

    H A PT ER 8.1 Overview This chapter discusses the EMG2306-R10A’s WAN screens. Use these screens to configure your EMG2306-R10A 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 55: Configuring Your Internet Connection

    (and service name) for user authentication. WAN IP Address The WAN IP address is an IP address for the EMG2306-R10A, which makes it accessible from an outside network. It is used by the EMG2306-R10A to communicate with other devices in other networks.

  • Page 56: Multicast

    A and D. IGMP (Internet Group Multicast Protocol) is a network-layer protocol used to establish membership in a multicast group - it is not used to carry user data. The EMG2306-R10A supports both IGMP version 1 (IGMP-v1) and IGMP version 2 (IGMP-v2).

  • Page 57: Management Wan

    Chapter 20 on page 146 for more information) for Auto-IP-Change to become active. • The EMG2306-R10A is set to receive a dynamic WAN IP address using the Ethernet or PPPoE connection type. 8.4 Management WAN Use this screen to view, change, or add your EMG2306-R10A’s Internet access settings. Click Configuration >...

  • Page 58: Add/Edit Internet Connection

    This shows the status of the connection. Modify Click the Edit icon to configure the connection. Click the Delete icon to delete this connection from the EMG2306-R10A. A window displays asking you to confirm that you want to delete the connection. 8.4.1 Add/Edit Internet Connection Click the Add New WAN Entry in the Configuration >...

  • Page 59: Ethernet Encapsulation

    Click the drop-down menu to select either an IPv4, IPv6 or dual stack interface. IP Address Select Obtain an IP Address Automatically to have your ISP assign the parameters. Select Static IP Address to enter a pre-defined IP Address, Subnet Mask, and Gateway IP address. EMG2306-R10A User’s Guide...

  • Page 60: Pppoe Encapsulation

    WAN MAC Address The MAC address section allows users to configure the WAN port's MAC address by using the EMG2306-R10A’s MAC address, copying the MAC address from a computer on your LAN or manually entering a MAC address. Factory default Select Factory default to use the factory assigned default MAC Address.
  • Page 61 By implementing PPPoE directly on the EMG2306-R10A (rather than individual computers), the computers on the LAN do not need PPPoE software installed, since the EMG2306-R10A does that part of the task. Furthermore, with NAT, all of the LANs’ computers will have access.
  • Page 62 DNS Server First DNS Server Select From ISP if your ISP dynamically assigns DNS server information (and the EMG2306-R10A's WAN IP address). The field to the right displays the (read-only) DNS Second DNS Server server IP address that the ISP assigns.

  • Page 63: Pptp Encapsulation

    Set WAN MAC Select this option and enter the MAC address you want to use. Address Apply Click Apply to save your changes back to the EMG2306-R10A. Reset Click Reset to reload the previous configuration for this screen. Cancel Click Cancel to exit this screen without saving.
  • Page 64 ISP Parameters for Internet Access Encapsulation Select PPTP to create a Virtual Private Network (VPN) using TCP/IP-based network. IPv4 / IPv6 Click the drop down menu to select the available options: IPv4 only, dual stack, or IPv6. EMG2306-R10A User’s Guide...
  • Page 65 DNS Server First DNS Server Select From ISP if your ISP dynamically assigns DNS server information (and the EMG2306-R10A's WAN IP address). The field to the right displays the (read-only) DNS Second DNS Server server IP address that the ISP assigns.

  • Page 66: Ipoe Encapsulation

    Set WAN MAC Select this option and enter the MAC address you want to use. Address Apply Click Apply to save your changes back to the EMG2306-R10A. Cancel Click Cancel to exit this screen without saving. 8.4.5 IPoE Encapsulation IP over Ethernet is an alternative to PPP encapsulation. In IPoE DHCP extensions and other protocols, like for example Extensible Authentication Protocol, are combined with DHCP to provide capabilities similar to PPPoE.
  • Page 67 DNS Server First DNS Server Select From ISP if your ISP dynamically assigns DNS server information (and the EMG2306-R10A's WAN IP address). The field to the right displays the (read-only) DNS Second DNS Server server IP address that the ISP assigns.

  • Page 68: Bridge Encapsulation

    8.5 Advanced WAN Screen Use this screen to enable Multicast and enable Auto-IP-Change mode. To change your EMG2306-R10A’s advanced WAN settings, click Configuration > Network > WAN > Advanced. The screen appears as shown. Figure 30 Configuration > Network > WAN > Advanced...
  • Page 69 Select this option to have the EMG2306-R10A switch to bridge mode automatically Change Mode when the EMG2306-R10A gets a WAN IP address in the range of 192.168.x.y (where x and y are from zero to nine) no matter what the LAN IP address is.

  • Page 70: Wireless Lan

    H A PT ER Wireless LAN 9.1 Overview This chapter discusses how to configure the wireless network settings in your EMG2306-R10A. See the appendices for more detailed information about wireless networks. The following figure provides an example of a wireless network.

  • Page 71: What You Should Know

    1.Some wireless devices, such as scanners, can detect wireless networks but cannot use wireless networks. These kinds of wireless devices might not have MAC addresses. 2.Hexadecimal characters are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, and F. EMG2306-R10A User’s Guide...
  • Page 72 The types of encryption you can choose depend on the type of user authentication. (See page 72 for information about this.) Table 21 Types of Encryption for Each Type of Authentication NO AUTHENTICATION RADIUS SERVER Weakest No Security Static WEP WPA-PSK Strongest WPA2-PSK WPA2 EMG2306-R10A User’s Guide...

  • Page 73: General Wireless Lan Screen

    When you select WPA2-PSK in your EMG2306-R10A, you can also select an option (WPA Compatible) to support WPA as well. In this case, if some wireless clients support WPA and some support WPA2, you should set up WPA2-PSK (depending on the type of wireless network login) and select the WPA Compatible option in the EMG2306-R10A.
  • Page 74 This is turned on by default. You can enable or disable the wireless LAN by using the WLAN switch located on the back panel of the EMG2306-R10A. The current wireless state is reflected in this field. Name(SSID) The SSID (Service Set IDentity) identifies the Service Set with which a wireless client is associated.

  • Page 75: Wireless Security

    DESCRIPTION Channel Width Select whether the EMG2306-R10A uses a wireless channel width of 20MHz or Auto. If Auto is selected, the EMG2306-R10A will use 40MHz if it is supported. A standard 20MHz channel offers transfer speeds of up to 150Mbps whereas a 40MHz channel uses two standard channels and offers speeds of up to 300 Mbps.

  • Page 76: Wep Encryption

    Both the wireless stations and the access points must use the same WEP key. Your EMG2306-R10A allows you to configure up to four 64-bit or 128-bit WEP keys but only one key can be enabled at any one time.
  • Page 77 A passphrase functions like a password. In WEP security mode, it is further converted by the EMG2306-R10A into a complicated string that is referred to as the “key”. This key is requested from all devices wishing to connect to a wireless network.
  • Page 78 Select a WEP Key as your default key. Key 1 to Key 4 The WEP keys are used to encrypt data. Both the EMG2306-R10A and the wireless stations must use the same WEP key for data transmission. If you chose 64-bit WEP, then enter any 5 ASCII characters or 10 hexadecimal characters ("0-9", "A-F").

  • Page 79: Wpa-Psk/Wpa2-Psk

    The Group Key Update Timer is the rate at which the AP sends a new group key out to Timer all clients. The default is 3600 seconds (60 minutes). Apply Click Apply to save your changes back to the EMG2306-R10A. Cancel Click Cancel to exit this screen without saving. EMG2306-R10A User’s Guide...

  • Page 80: More Ap

    Chapter 9 Wireless LAN 9.6 More AP This screen allows you to enable and configure multiple wireless networks on the EMG2306-R10A. Select Configuration > Network > Wireless LAN > More AP. The screen appears as shown. Figure 36 Wireless LAN > More AP The following table describes the labels in this screen.

  • Page 81: More Ap Edit

    Click Cancel to exit this screen without saving. 9.7 MAC Filter The MAC filter screen allows you to configure the EMG2306-R10A to give exclusive access to devices (Allow) or exclude devices from accessing the EMG2306-R10A (Deny). Every Ethernet device has a unique MAC (Media Access Control) address. The MAC address is assigned at the...
  • Page 82 Select Disable to deactivate the MAC filtering rule you configure below. Filter Action Select Allow to permit access to the EMG2306-R10A, MAC addresses not listed will be denied access to the EMG2306-R10A. Select Deny to block access to the EMG2306-R10A, MAC addresses not listed will be...

  • Page 83: Wireless Lan Advanced Screen

    Tx Power Set the Tx power of the EMG2306-R10A in this field. If there is a high density of APs in an area, decrease the output power of the EMG2306-R10A to reduce interference with other APs.

  • Page 84: Quality Of Service (Qos) Screen

    LABEL DESCRIPTION WMM QoS Check Enable to have the EMG2306-R10A automatically give a service a priority level according to the ToS value in the IP header of packets it sends. Check Disable to disable the function. WMM QoS (Wifi MultiMedia Quality of Service) gives high priority to voice and video, which makes them run more smoothly.
  • Page 85 This is the 802.11 mode used. Only compliant WLAN devices can associate with the EMG2306-R10A. SSID This is the name of the wireless network (the EMG2306-R10A’s first SSID). Security This is the type of wireless security employed by the network.

  • Page 86: Wps Station Screen

    Use this screen to set the times your wireless LAN is turned on and off. Wireless LAN scheduling is disabled by default. The wireless LAN can be scheduled to turn on or off on certain days and at EMG2306-R10A User’s Guide...

  • Page 87: Wds

    A Wireless Distribution System is a wireless connection between two or more APs. Use this screen to set the operating mode of your EMG2306-R10A to AP + Bridge or Bridge Only and establish wireless links with other APs. You need to know the MAC address of the peer device, which also must be in bridge mode.
  • Page 88 Chapter 9 Wireless LAN Note: You must enable the same wireless security settings on the EMG2306-R10A and on all wireless clients that you want to associate with it. To open this screen, click Configuration > Network > Wireless LAN > WDS.

  • Page 89: Lan

    • Use the IP screen to change the IP address for your EMG2306-R10A (Section 10.4 on page 91). • Use the IP Alias screen to have the EMG2306-R10A apply IP alias to create LAN subnets (Section 10.5 on page 91).

  • Page 90: What You Need To Know

    WAN network as shown next. Figure 46 LAN and WAN IP Addresses The LAN parameters of the EMG2306-R10A are preset in the factory with the following values: • IP address of 192.168.1.1 with subnet mask of 255.255.255.0 (24 bits) • DHCP server enabled with 32 client IP addresses starting from 192.168.1.33.

  • Page 91: Lan Ip Screen

    Cancel Click Cancel to begin configuring this screen afresh. 10.5 IP Alias Screen Use this screen to have the EMG2306-R10A apply IP alias to create LAN subnets. Click Configuration > Network > LAN IP Alias. Figure 48 Configuration > Network > LAN > IP Alias...
  • Page 92 Enable IP Alias 1 Check this to enable IP alias 1. IP Address Type the IP alias address of your EMG2306-R10A in dotted decimal notation. IP Subnet Mask The subnet mask specifies the network number portion of an IP address. Your EMG2306-R10A will automatically calculate the subnet mask based on the IP address that you assign.

  • Page 93: Dhcp Server

    TCP/IP configuration at start-up from a server. You can configure the EMG2306-R10A’s LAN as a DHCP server or disable it. When configured as a server, the EMG2306-R10A 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 94: The Dhcp General Screen

    (computers) to obtain TCP/IP configuration at startup from a server. Leave the Enable DHCP Server check box selected unless your ISP instructs you to do otherwise. Clear it to disable the EMG2306-R10A acting as a DHCP server. When configured as a server, the EMG2306-R10A provides TCP/IP configuration for the clients.

  • Page 95: The Dhcp Advanced Screen

    MAC addresses. You can also use this screen to configure the DNS server information that the EMG2306-R10A sends to the DHCP clients. To change your EMG2306-R10A’s static DHCP settings, click Configuration > Network > DHCP Server > Advanced. The following screen displays.

  • Page 96: The Dhcp Client List Screen

    Click Cancel to begin configuring this screen afresh. 11.6 The DHCP Client List Screen This screen allows you to review the list of the devices currently connected to the EMG2306-R10A. To view your EMG2306-R10A’s DHCP client list, click Configuration > Network > DHCP Server >...
  • Page 97 This indicates the MAC address of the client device. Reserve Select this if you want to reserve the IP address for this specific MAC address. Apply Click Apply to save your changes back to the EMG2306-R10A. Cancel Click Cancel to begin configuring this screen afresh. EMG2306-R10A User’s Guide...

  • Page 98: Nat

    You assign the LAN IP addresses to the devices (A to D) connected to your EMG2306-R10A. The ISP assigns the WAN IP address. The NAT network appears as a single host on the Internet. All traffic coming from A to D going out to the Internet use the IP address of the EMG2306-R10A, which is 192.168.1.1.

  • Page 99: What You Need To Know

    The following terms and concepts may help as you read through this chapter. Inside/Outside This denotes where a host is located relative to the EMG2306-R10A, for example, the computers of your subscribers are the inside hosts, while the web servers on the Internet are the outside hosts.
  • Page 100 IP source address in each packet and then forwards it to the Internet. The EMG2306-R10A keeps track of the original addresses and port numbers so incoming reply packets can have their original values restored. The following figure illustrates this.

  • Page 101: The Nat General Screen

    Application screen. If you do not assign a Default Server IP address, the EMG2306-R10A discards all packets received for ports that are not specified in the Application screen or remote management.
  • Page 102 Chapter 12 NAT EMG2306-R10A’s NAT port forwarding settings, click Configuration > Network > NAT > Port Forwarding. The screen appears as shown. Figure 55 Configuration > Network > NAT > Port Forwarding The following table describes the labels in this screen.

  • Page 103: The Nat Trigger Port Screen

    Trigger port forwarding solves this problem by allowing computers on the LAN to dynamically take turns using the service. The EMG2306-R10A records the IP address of a LAN computer that sends traffic to the WAN to request a service with a specific port number and protocol (a “trigger” port).
  • Page 104 Chapter 12 NAT Use this screen to view and configure your EMG2306-R10A’s trigger port settings. Click Configuration > Network > NAT to open the Port Trigger screen. Figure 56 Configuration > Network > NAT > Port Trigger The following table describes the labels in this screen.

  • Page 105: Ddns

    IP address. Users can always use the same domain name instead of a different dynamic IP address that changes each time to connect to the EMG2306-R10A or a server in your network. Note: The EMG2306-R10A must have a public global IP address and you should have your registered DDNS account information on hand.
  • Page 106 Chapter 13 DDNS Table 44 Configuration > Network > Dynamic DNS > Dynamic DNS (continued) LABEL DESCRIPTION Apply Click Apply to save your changes back to the EMG2306-R10A. Cancel Click Cancel to exit this screen without saving. EMG2306-R10A User’s Guide...

  • Page 107: Static Route

    N2 in the following figure through remote node Router 1. However, the EMG2306-R10A is unable to route a packet to network N3 because it doesn't know that there is a route through the same remote node Router 1 (via gateway Router 2). The static routes are for you to tell the EMG2306-R10A about the networks beyond the remote nodes.

  • Page 108: Add/Edit Static Route Screen

    EMG2306-R10A that will forward the packet to the destination. On the LAN, the gateway must be a router on the same segment as your EMG2306-R10A; over the WAN, the gateway must be the IP address of one of the remote nodes.
  • Page 109 EMG2306-R10A that will forward the packet to the destination. On the LAN, the gateway must be a router on the same segment as your EMG2306-R10A; over the WAN, the gateway must be the IP address of one of the Remote Nodes.

  • Page 110: Interface Group

    Interface Group 15.1 Overview By default, all LAN and WAN interfaces on the EMG2306-R10A are in the same group and can communicate with each other. You can create multiple groups to have the EMG2306-R10A assign the IP addresses in different domains to different groups. Each group acts as an independent network on the EMG2306-R10A.

  • Page 111: Add Interface Group

    Grouped LAN Interfaces to add the interface to this group. Available LAN To remove a LAN or WAN interface from the Grouped LAN Interfaces, select it and Interfaces click the right-facing arrow. EMG2306-R10A User’s Guide...
  • Page 112 To remove a VLAN ID from the Grouped VLAN, select it and click the right-facing arrow. Back Click Back to return to the previous screen. Apply Click Apply to save your changes. Cancel Click Cancel to exit this screen without saving. EMG2306-R10A User’s Guide...

  • Page 113: Firewall

    Firewall 16.1 Overview Use these screens to enable and configure the firewall that protects your EMG2306-R10A and your LAN from unwanted or malicious traffic. Enable the firewall to protect your LAN computers from attacks by hackers on the Internet and control access between the LAN and WAN.

  • Page 114: What You Need To Know

    Internet. This allows it to act as a secure gateway for all data passing between the Internet and the LAN. The EMG2306-R10A has one Ethernet WAN port and four Ethernet LAN ports, which are used to physically separate the network into two areas.The WAN (Wide Area Network) port attaches to the broadband (cable or DSL) modem to the Internet.

  • Page 115: The Firewall General Screen

    Keep the firewall in a secured (locked) room. 16.4 The Firewall General Screen Use this screen to enable or disable the EMG2306-R10A’s firewall, and set up firewall logs. Click Configuration > Security > Firewall to open the General screen. Figure 64 Configuration > Security > Firewall > General l The following table describes the labels in this screen.

  • Page 116: The Services Screen

    Chapter 16 Firewall 16.5 The Services Screen If an outside user attempts to probe an unsupported port on your EMG2306-R10A, an ICMP response packet is automatically returned. This allows the outside user to know the EMG2306-R10A exists. Use this screen to prevent the ICMP response packet from being sent. This keeps outsiders from discovering your EMG2306-R10A when unsupported ports are probed.
  • Page 117 DROP - Traffic matching the conditions of the firewall rule are stopped. Delete Click Delete to remove the firewall rule. Cancel Click Cancel to exit this screen without saving. Section on page 218 for commonly used services and port numbers. EMG2306-R10A User’s Guide...

  • Page 118: Content Filtering

    The file path is the characters that come after the first slash in the URL. For example, with the URL www.zyxel.com.tw/news/pressroom.php, the file path is news/pressroom.php. Since the EMG2306-R10A checks the URL’s domain name (or IP address) and file path separately, it will not find items that go across the two. For example, with the URL www.zyxel.com.tw/news/...

  • Page 119: Content Filter

    Java A programming language and development environment for building downloadable Web components or Internet and intranet business applications of all kinds. Cookies Used by Web servers to track usage and provide service based on ID. EMG2306-R10A User’s Guide...

  • Page 120: Technical Reference

    Domain Name or IP Address URL Checking By default, the EMG2306-R10A checks the URL’s domain name or IP address when performing keyword blocking. This means that the EMG2306-R10A checks the characters that come before the first slash in the URL. EMG2306-R10A User’s Guide...
  • Page 121 For example, with the URL www.zyxel.com.tw/news/pressroom.php, content filtering only searches for keywords within www.zyxel.com.tw. Full Path URL Checking Full path URL checking has the EMG2306-R10A check the characters that come before the last slash in the URL. For example, with the URL www.zyxel.com.tw/news/pressroom.php, full path URL checking searches for keywords within www.zyxel.com.tw/news/.

  • Page 122: Remote Management

    The IP address in the Secured Client IP Address field (Section 18.4 on page 123) does not match the client IP address. If it does not match, the EMG2306-R10A will disconnect the session immediately. There is already another remote management session. You may only have one remote management session running at one time.

  • Page 123: The Www Screen

    Chapter 18 Remote Management • Your EMG2306-R10A can act as an SNMP agent, which allows a manager station to manage and monitor the EMG2306-R10A through the network. Use the SNMP screen to configure SNMP settings. You can also specify from which IP addresses the access can come (Section 18.6 on...

  • Page 124: The Snmp Screen

    Simple Network Management Protocol is a protocol used for exchanging management information between network devices. Your EMG2306-R10A supports SNMP agent functionality, which allows a manager station to manage and monitor the EMG2306-R10A through the network. The EMG2306- EMG2306-R10A User’s Guide...
  • Page 125 Get operation, followed by a series of GetNext operations. • Set - Allows the manager to set values for object variables within an agent. • Trap - Used by the agent to inform the manager of some events. EMG2306-R10A User’s Guide...
  • Page 126 The SNMP agent listens on port 161 by default. If you change the SNMP server port to a different number on the EMG2306-R10A, for example 8161, then you must notify people who need to access the EMG2306-R10A SNMP agent to use the same port. Server Access Select the interface(s) through which a computer may access the EMG2306-R10A using this service.

  • Page 127: The Tr069 Screen

    Remote Procedure Calls (RPCs) between an 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 EMG2306-R10A, modify settings, perform firmware upgrades as well as monitor and diagnose the EMG2306-R10A. You have to enable the device to be managed by the ACS and specify the ACS IP address or domain name and username and password.

  • Page 128: The Import Ca Screen

    Enter the TR-069 password for authentication with the auto-configuration server. Connection Request Enter the connection request user name. Username When the ACS makes a connection request to the EMG2306-R10A, this user name is used to authenticate the ACS. Connection Request Enter the connection request password.
  • Page 129 BEGIN CERTIFICATE and END CERTIFICATE. Apply Click Apply to save your customized settings and exit this screen. Cancel Click Cancel to exit this screen without saving. EMG2306-R10A User’s Guide...

  • Page 130: Universal Plug-And-Play (Upnp)

    When a UPnP device joins a network, it announces its presence with a multicast message. For security reasons, the EMG2306-R10A allows multicast messages on the LAN only. EMG2306-R10A User’s Guide...

  • Page 131: Upnp Screen

    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 EMG2306-R10A. Make sure the computer is connected to a LAN port of the EMG2306-R10A. Turn on your computer and the EMG2306-R10A.
  • Page 132 Chapter 19 Universal Plug-and-Play (UPnP) Right-click the icon and select Properties. Figure 74 Network Connections In the Internet Connection Properties window, click Settings to see the port mappings there were automatically created. Figure 75 Internet Connection Properties EMG2306-R10A User’s Guide...
  • Page 133 Note: When the UPnP-enabled device is disconnected from your computer, all port mappings will be deleted automatically. Select Show icon in notification area when connected option and click OK. An icon displays in the system tray. Figure 78 System Tray Icon EMG2306-R10A User’s Guide...

  • Page 134: Web Configurator Easy Access

    19.4.2 Web Configurator Easy Access With UPnP, you can access the web-based configurator on the EMG2306-R10A without finding out the IP address of the EMG2306-R10A first. This comes helpful if you do not know the IP address of the EMG2306-R10A.
  • Page 135 Figure 80 Network Connections An icon with the description for each UPnP-enabled device displays under Local Network. Right-click on the icon for your EMG2306-R10A and select Invoke. The web configurator login screen displays. Figure 81 Network Connections: My Network Places...
  • Page 136 Chapter 19 Universal Plug-and-Play (UPnP) Right-click on the icon for your EMG2306-R10A and select Properties. A properties window displays with basic information about the EMG2306-R10A. Figure 82 Network Connections: My Network Places: Properties: Example EMG2306-R10A User’s Guide...

  • Page 137: Maintenance

    • Use the Restart screen to reboot the EMG2306-R10A without turning the power off (Section 20.8 on page 144). • Use the Sys OP Mode screen to select how you want to use your EMG2306-R10A (Section 20.11 on page 146).

  • Page 138: Account Screen

    Click Cancel to exit this screen without saving. 20.4 Account Screen It is strongly recommended that you change your EMG2306-R10A's password. If you forget your EMG2306-R10A's password (or IP address), you will need to reset the device. Section 20.8 on page 144 for details.
  • Page 139 Type the new password again in this field. Confirm Group Shows the group belonging of the user account (read-only). Apply Click Apply to save your changes back to the EMG2306-R10A. Cancel Click Cancel to exit this screen without saving. EMG2306-R10A User’s Guide...

  • Page 140: Time Setting Screen

    Chapter 20 Maintenance 20.5 Time Setting Screen Use this screen to configure the EMG2306-R10A’s time based on your local time zone. To change your EMG2306-R10A’s time and date, click Maintenance > Time. The screen appears as shown. Figure 86 Maintenance > Time The following table describes the labels in this screen.

  • Page 141: Firmware Upgrade Screen

    (yyyy/mm/dd) When you select Manual, enter the new date in this field and then click Apply. Get from Time Select this radio button to have the EMG2306-R10A get the time and date from the time Server server you specified below.
  • Page 142 Latest Internet. Firmware Now Caution: Do not turn off the EMG2306-R10A while firmware upload is in progress! After you see the Firmware Upload In Process screen, wait two minutes before logging into the EMG2306-R10A again. The EMG2306-R10A automatically restarts in this time causing a temporary network disconnect. In some operating systems, you may see the following icon on your desktop.

  • Page 143: Configuration Backup/Restore Screen

    Backup configuration allows you to back up (save) the EMG2306-R10A’s current configuration to a file on your computer. Once your EMG2306-R10A 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 144: Restart Screen

    Upload Click Upload to begin the upload process. Note: Do not turn off the EMG2306-R10A while configuration file upload is in progress. After you see a “configuration upload successful” screen, you must then wait one minute before logging into the EMG2306-R10A again. The EMG2306-R10A automatically restarts in this time causing a temporary network disconnect.

  • Page 145: System Operation Mode Overview

    Figure 91 Maintenance > Language 20.10 System Operation Mode Overview The Sys OP Mode (System Operation Mode) function lets you configure your EMG2306-R10A as an router or access point. You can choose between Router or Access Point Mode depending on your network topology and the features you require from your device.

  • Page 146: Sys Op Mode Screen

    Figure 93 Access Point Mode 20.11 Sys OP Mode Screen Use this screen to select how you want to use your EMG2306-R10A. Figure 94 Maintenance > Sys OP Mode The following table describes the labels in the Sys OP Mode screen.
  • Page 147 The IP address of the device on the local network is set to 192.168.1.2. Apply Click Apply to save your settings. Cancel Click Cancel to exit this screen without saving. Note: If you select the incorrect System Operation Mode you may not be able to connect to the Internet. EMG2306-R10A User’s Guide...

  • Page 148: Troubleshooting

    Make sure you are using the power adaptor or cord included with the EMG2306-R10A. Make sure the power adaptor or cord is connected to the EMG2306-R10A and plugged in to an appropriate power source. Make sure the power source is turned on.

  • Page 149: Emg2306-R10A Access And Login

    DHCP server on the network. If your EMG2306-R10A is a DHCP client, you can find your IP address from the DHCP server. This information is only available from the DHCP server which allocates IP addresses on your network.
  • Page 150 [Caps Lock] is not on. You cannot log in to the Web Configurator while someone is using Telnet to access the EMG2306- R10A. Log out of the EMG2306-R10A in the other session, or ask the person who is logged in to log out.

  • Page 151: Internet Access

    Internet, especially peer-to-peer applications. Check the signal strength. If the signal strength is low, try moving the EMG2306-R10A closer to the AP 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 152: Resetting The Emg2306-R10A To Its Factory Defaults

    Make sure the power LED is on. Press the RESET button for longer than 1 second to restart/reboot the EMG2306-R10A. Press the RESET button for longer than five seconds to set the EMG2306-R10A back to its factory- default configurations. If the EMG2306-R10A restarts automatically, wait for the EMG2306-R10A to finish restarting, and log in to the Web Configurator.
  • Page 153 Chapter 21 Troubleshooting Make sure you allow the EMG2306-R10A to be remotely accessed through the WLAN interface. Check your remote management settings. • See the chapter on Wireless LAN in the User’s Guide for more information. I set up URL keyword blocking, but I can still access a website that should be blocked.
  • Page 154 • Position the antenna for best reception. If the AP is placed on a table or floor, point the antenna upwards. If the AP is placed at a high position, point the antenna downwards. Try pointing the antenna in different directions and check which provides the strongest signal to the wireless clients. EMG2306-R10A User’s Guide...

  • Page 155: Appendix A Pop-Up Windows, Javascript And Java Permissions

    In Internet Explorer, select Tools, Pop-up Blocker and then select Turn Off Pop-up Blocker. Figure 95 Pop-up Blocker You can also check if pop-up blocking is disabled in the Pop-up Blocker section in the Privacy tab. In Internet Explorer, select Tools, Internet Options, Privacy. EMG2306-R10A User’s Guide...
  • Page 156 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. EMG2306-R10A User’s Guide...
  • Page 157 Select Settings…to open the Pop-up Blocker Settings screen. Figure 97 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://192.168.167.1. EMG2306-R10A User’s Guide...
  • Page 158 Figure 98 Pop-up Blocker Settings Click Close to return to the Privacy screen. Click Apply to save this setting. JavaScript If pages of the web configurator do not display properly in Internet Explorer, check that JavaScript are allowed. EMG2306-R10A User’s Guide...
  • Page 159 Figure 99 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). EMG2306-R10A User’s Guide...
  • Page 160 Figure 100 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. EMG2306-R10A User’s Guide...
  • Page 161 Click OK to close the window. Figure 101 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. EMG2306-R10A User’s Guide...
  • Page 162 Mozilla Firefox 2.0 screens are used here. Screens for other versions may vary slightly. The steps below apply to Mozilla Firefox 3.0 as well. You can enable Java, Javascript and pop-ups in one screen. Click Tools, then click Options in the screen that appears. Figure 103 Mozilla Firefox: TOOLS > Options EMG2306-R10A User’s Guide...
  • Page 163 Click Content to show the screen below. Select the check boxes as shown in the following screen. Figure 104 Mozilla Firefox Content Security Opera Opera 10 screens are used here. Screens for other versions may vary slightly. EMG2306-R10A User’s Guide...
  • Page 164 Figure 105 Opera: Allowing Pop-Ups Enabling Java From Opera, click Tools, then Preferences. In the Advanced tab, select Content from the left- side menu. Select the check boxes as shown in the following screen. Figure 106 Opera: Enabling Java EMG2306-R10A User’s Guide...
  • Page 165 Appendix A Pop-up Windows, JavaScript and Java Permissions To customize JavaScript behavior in the Opera browser, click JavaScript Options. Figure 107 Opera: JavaScript Options Select the items you want Opera’s JavaScript to apply. EMG2306-R10A User’s Guide...

  • Page 166: Appendix B 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. EMG2306-R10A User’s Guide...
  • Page 167 Subnet masks can be referred to by the size of the network number part (the bits with a “1” value). For example, an “8-bit mask” means that the first 8 bits of the mask are ones and the remaining 24 bits are zeroes. EMG2306-R10A User’s Guide...
  • Page 168 For example, 192.1.1.0 /25 is equivalent to saying 192.1.1.0 with subnet mask 255.255.255.128. The following table shows some possible subnet masks using both notations. Table 68 Alternative Subnet Mask Notation ALTERNATIVE LAST OCTET LAST OCTET SUBNET MASK NOTATION (BINARY) (DECIMAL) 255.255.255.0 0000 0000 255.255.255.128 1000 0000 255.255.255.192 1100 0000 EMG2306-R10A User’s Guide...
  • Page 169 You can “borrow” one of the host ID bits to divide the network 192.168.1.0 into two separate sub- networks. The subnet mask is now 25 bits (255.255.255.128 or /25). 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. EMG2306-R10A User’s Guide...
  • Page 170 Table 69 Subnet 1 LAST OCTET BIT IP/SUBNET MASK NETWORK NUMBER VALUE IP Address (Decimal) 192.168.1. IP Address (Binary) 11000000.10101000.00000001. 00000000 Subnet Mask (Binary) 11111111.11111111.11111111. 11000000 EMG2306-R10A User’s Guide...
  • Page 171 11111111.11111111.11111111. 11000000 Subnet Address: Lowest Host ID: 192.168.1.193 192.168.1.192 Broadcast Address: Highest Host ID: 192.168.1.254 192.168.1.255 Example: Eight Subnets Similarly, use a 27-bit mask to create eight subnets (000, 001, 010, 011, 100, 101, 110 and 111). EMG2306-R10A User’s Guide...
  • Page 172 NO. SUBNETS HOST BITS SUBNET 255.255.128.0 (/17) 32766 255.255.192.0 (/18) 16382 255.255.224.0 (/19) 8190 255.255.240.0 (/20) 4094 255.255.248.0 (/21) 2046 255.255.252.0 (/22) 1022 255.255.254.0 (/23) 255.255.255.0 (/24) 255.255.255.128 (/25) 255.255.255.192 (/26) 1024 255.255.255.224 (/27) 2048 255.255.255.240 (/28) 4096 EMG2306-R10A User’s Guide...
  • Page 173 Network Address Translation (NAT) on the EMG2306-R10A. Once you have decided on the network number, pick an IP address for your EMG2306-R10A that is easy to remember (for instance, 192.168.1.1) but make sure that no other device on your network is using that IP address.
  • Page 174 WAN addresses must be on different subnets. In the following example, the LAN and WAN are on the same subnet. The LAN computers cannot access the Internet because the router cannot route between networks. Figure 112 Conflicting Router IP Addresses Example EMG2306-R10A User’s Guide...
  • Page 175 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 113 Conflicting Computer and Router IP Addresses Example EMG2306-R10A User’s Guide...

  • Page 176: Appendix C Setting Up Your Computer's Ip Address

    PP EN D I X Setting Up Your Computer’s IP Address Note: Your specific EMG2306-R10A 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 177 Appendix C Setting Up Your Computer’s IP Address Windows XP/NT/2000 The following example uses the default Windows XP display theme but can also apply to Windows 2000 and Windows NT. Click Start > Control Panel. In the Control Panel, click the Network Connections icon. EMG2306-R10A User’s Guide...
  • Page 178 Appendix C Setting Up Your Computer’s IP Address Right-click Local Area Connection and then select Properties. On the General tab, select Internet Protocol (TCP/IP) and then click Properties. EMG2306-R10A User’s Guide...
  • Page 179 In the Command Prompt window, type "ipconfig" and then press [ENTER]. You can also go to Start > Control Panel > Network Connections, right-click a network connection, click Status and then click the Support tab to view your IP address and connection information. EMG2306-R10A User’s Guide...
  • Page 180 Appendix C Setting Up Your Computer’s IP Address Windows Vista This section shows screens from Windows Vista Professional. Click Start > Control Panel. In the Control Panel, click the Network and Internet icon. Click the Network and Sharing Center icon. EMG2306-R10A User’s Guide...
  • Page 181 Appendix C Setting Up Your Computer’s IP Address Click Manage network connections. Right-click Local Area Connection and then select Properties. Note: During this procedure, click Continue whenever Windows displays a screen saying that it needs your permission to continue. EMG2306-R10A User’s Guide...
  • Page 182 Appendix C Setting Up Your Computer’s IP Address Select Internet Protocol Version 4 (TCP/IPv4) and then select Properties. EMG2306-R10A User’s Guide...
  • Page 183 In the Command Prompt window, type "ipconfig" and then press [ENTER]. You can also go to Start > Control Panel > Network Connections, right-click a network connection, click Status and then click the Support tab to view your IP address and connection information. EMG2306-R10A User’s Guide...
  • Page 184 Appendix C Setting Up Your Computer’s IP Address Windows 7 This section shows screens from Windows 7 Enterprise. Click Start > Control Panel. In the Control Panel, click View network status and tasks under the Network and Internet category. Click Change adapter settings. EMG2306-R10A User’s Guide...
  • Page 185 Appendix C Setting Up Your Computer’s IP Address Double click Local Area Connection and then select Properties. Note: During this procedure, click Continue whenever Windows displays a screen saying that it needs your permission to continue. EMG2306-R10A User’s Guide...
  • Page 186 Appendix C Setting Up Your Computer’s IP Address Select Internet Protocol Version 4 (TCP/IPv4) and then select Properties. EMG2306-R10A User’s Guide...
  • Page 187 Click Advanced if you want to configure advanced settings for IP, DNS and WINS. Click OK to close the Internet Protocol (TCP/IP) Properties window. Click OK to close the Local Area Connection Properties window. EMG2306-R10A User’s Guide...
  • Page 188 In the Command Prompt window, type "ipconfig" and then press [ENTER]. The IP settings are displayed as follows. 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. EMG2306-R10A User’s Guide...
  • Page 189 Appendix C Setting Up Your Computer’s IP Address In the System Preferences window, click the Network icon. When the Network preferences pane opens, select Built-in Ethernet from the network connection type list, and then click Configure. EMG2306-R10A User’s Guide...
  • Page 190 • In the IP Address field, type your IP address. • In the Subnet Mask field, type your subnet mask. • In the Router field, type the IP address of your device. Click Apply Now and close the window. EMG2306-R10A User’s Guide...
  • Page 191 Network Interface from the Info tab. Figure 114 Mac OS X 10.4: Network Utility Mac OS X: 10.5 and 10.6 The screens in this section are from Mac OS X 10.5 but can also apply to 10.6. Click Apple > System Preferences. EMG2306-R10A User’s Guide...
  • Page 192 Appendix C Setting Up Your Computer’s IP Address In System Preferences, click the Network icon. When the Network preferences pane opens, select Ethernet from the list of available connection types. From the Configure list, select Using DHCP for dynamically assigned settings. EMG2306-R10A User’s Guide...
  • Page 193 • In the IP Address field, enter your IP address. • In the Subnet Mask field, enter your subnet mask. • In the Router field, enter the IP address of your EMG2306-R10A. Click Apply and close the window. EMG2306-R10A User’s Guide...
  • Page 194 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: Click System > Administration > Network. EMG2306-R10A User’s Guide...
  • Page 195 Unlock button is greyed out until clicked.) You cannot make changes to your configuration unless you first enter your admin password. In the Authenticate window, enter your admin account name and password then click the Authenticate button. EMG2306-R10A User’s Guide...
  • Page 196 • 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. EMG2306-R10A User’s Guide...
  • Page 197 Appendix C Setting Up Your Computer’s IP Address If you know your DNS server IP address(es), click the DNS tab in the Network Settings window and then enter the DNS server information in the fields provided. Click the Close button to apply the changes. EMG2306-R10A User’s Guide...
  • Page 198 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: EMG2306-R10A User’s Guide...
  • Page 199 Appendix C Setting Up Your Computer’s IP Address Click K Menu > Computer > Administrator Settings (YaST). When the Run as Root - KDE su dialog opens, enter the admin password and click OK. EMG2306-R10A User’s Guide...
  • Page 200 When the YaST Control Center window opens, select Network Devices and then click the Network Card icon. When the Network Settings window opens, click the Overview tab, select the appropriate connection Name from the list, and then click the Configure button. EMG2306-R10A User’s Guide...
  • Page 201 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. EMG2306-R10A User’s Guide...
  • Page 202 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 118 openSUSE 10.3: KNetwork Manager EMG2306-R10A User’s Guide...
  • Page 203 Appendix C 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 119 openSUSE: Connection Status - KNetwork Manager EMG2306-R10A User’s Guide...

  • Page 204: Appendix D Wireless Lans

    (AP). Intra-BSS traffic is traffic between wireless clients in the BSS. When Intra-BSS is enabled, wireless client A and B can access the wired network and communicate with each other. When Intra-BSS is EMG2306-R10A User’s Guide...
  • Page 205 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. EMG2306-R10A User’s Guide...
  • Page 206 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 hidden node. Both stations (STA) are within range of the access point (AP) or wireless gateway, but out-of-range of each other, so they EMG2306-R10A User’s Guide...
  • Page 207 AP will fragment the packet into smaller data frames. A large Fragmentation Threshold is recommended for networks not prone to interference while you should set a smaller threshold for busy networks or networks that are prone to interference. EMG2306-R10A User’s Guide...
  • Page 208 Wireless security is vital to your network to protect wireless communication between wireless clients, access points and the wired network. Wireless security methods available on the EMG2306-R10A are data encryption, wireless client authentication, restricting access by device MAC address and hiding the EMG2306-R10A identity.
  • Page 209 Wi-Fi Protected Access (WPA) WPA2 Most Secure Note: You must enable the same wireless security settings on the EMG2306-R10A 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 accounting and control features.
  • Page 210 For EAP-TLS authentication type, you must first have a wired connection to the network and obtain the certificate(s) from a certificate authority (CA). A certificate (also called digital IDs) can be used to authenticate users and a CA issues certificates and guarantees the identity of each certificate owner. EMG2306-R10A User’s Guide...
  • Page 211 The AP maps a unique key that is generated with the RADIUS server. This key expires when the wireless connection times out, disconnects or reauthentication times out. A new WEP key is generated each time reauthentication is performed. EMG2306-R10A User’s Guide...
  • Page 212 Cipher block chaining Message authentication code Protocol (CCMP). TKIP uses 128-bit keys that are dynamically generated and distributed by the authentication server. AES (Advanced Encryption Standard) is a block cipher that uses a 256-bit mathematical algorithm EMG2306-R10A User’s Guide...
  • Page 213 WPA. At the time of writing, the most widely available supplicant is the WPA patch for Windows XP, Funk Software's Odyssey client. The Windows XP patch is a free download that adds WPA capability to Windows XP's built-in "Zero Configuration" wireless client. However, you must run Windows XP to use it. EMG2306-R10A User’s Guide...
  • Page 214 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. EMG2306-R10A User’s Guide...

  • Page 215: Security Parameters Summary

    An antenna couples RF signals onto air. A transmitter within a wireless device sends an RF signal to the antenna, which propagates the signal through the air. The antenna also operates in reverse by capturing RF signals from the air. EMG2306-R10A User’s Guide...
  • Page 216 For omni-directional antennas mounted on a table, desk, and so on, point the antenna up. 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. EMG2306-R10A User’s Guide...
  • Page 217 Appendix D Wireless LANs For directional antennas, point the antenna in the direction of the desired coverage area. EMG2306-R10A User’s Guide...

  • Page 218: Appendix E Common Services

    File Transfer Program, a program to enable fast transfer of files, including large files that may not be possible by e-mail. H.323 1720 NetMeeting uses this protocol. EMG2306-R10A User’s Guide...
  • Page 219 REXEC Remote Execution Daemon. RLOGIN Remote Login. RTELNET Remote Telnet. RTSP TCP/UDP The Real Time Streaming (media control) Protocol (RTSP) is a remote control for multimedia on the Internet. Simple File Transfer Protocol. EMG2306-R10A User’s Guide...
  • Page 220 Trivial File Transfer Protocol is an Internet file transfer protocol similar to, but uses the UDP (User Datagram Protocol) rather than TCP (Transmission Control Protocol). VDOLIVE 7000 Another videoconferencing solution. EMG2306-R10A User’s Guide...

  • Page 221: Appendix F Legal Information

    ZyXEL Communications Corporation. Published by ZyXEL Communications Corporation. All rights reserved. Disclaimer ZyXEL does not assume any liability arising out of the application or use of any products, or software described herein.
  • Page 222 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. Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada. EMG2306-R10A User’s Guide...
  • Page 223 ZyXEL. This warranty shall not apply if the product has been modified, misused, tampered with, damaged by an act of God, or subjected to abnormal working conditions. EMG2306-R10A User’s Guide...
  • Page 224 Hierbij verklaart ZyXEL dat het toestel uitrusting in overeenstemming is met de essentiële eisen en de andere relevante bepalingen van richtlijn 1999/5/EC. [Maltese] Hawnhekk, ZyXEL, jiddikjara li dan tagħmir jikkonforma mal-ħtiġijiet essenzjali u ma provvedimenti oħrajn relevanti li hemm fid-Dirrettiva 1999/5/EC. EMG2306-R10A User’s Guide...
  • Page 225 The following countries have restrictions and/or requirements in addition to those given in the table labeled “Overview of Regulatory Requirements for Wireless LANs”:. Overview of Regulatory Requirements for Wireless LANs Frequency Band (MHz) Max Power Level Indoor ONLY Indoor and Outdoor (EIRP) (mW) EMG2306-R10A User’s Guide...
  • Page 226 2. The regulatory limits for maximum output power are specified in EIRP. The EIRP level (in dBm) of a device can be calculated by adding the gain of the antenna used(specified in dBi) to the output power available at the connector (specified in dBm). EMG2306-R10A User’s Guide...
  • Page 227 • Do NOT obstruct the device ventilation slots, as insufficient airflow may harm your device. • Antenna Warning! This device meets ETSI and FCC certification requirements when using the included antenna(s). Only use the included antenna(s). EMG2306-R10A User’s Guide...
  • Page 228 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. EMG2306-R10A User’s Guide...

  • Page 229: Index

    Dynamic DNS Dynamic Host Configuration Protocol Certificate Authority dynamic WEP key exchange See CA. DynDNS certifications DynDNS see also DDNS notices 221, 222 viewing 221, 223 Channel channel 71, 206 interference Configuration EAP Authentication restore encryption 72, 212 EMG2306-R10A User’s Guide...
  • Page 230 Guest WLAN local (user) database Guide and encryption Quick Start Local Area Network hidden node MAC address 55, 71 cloning MAC address filter MAC address filtering IANA MAC filter IBSS managing the device IEEE 802.11g good habits EMG2306-R10A User’s Guide...
  • Page 231 Service Set IDentity. See SSID. Point-to-Point Protocol over Ethernet SSID 71, 74, 81 port speed 28, 35 stateful inspection firewall PPPoE Static DHCP 95, 96 dial-up connection Static Route preamble mode Status product registration subnet Subnet Mask 91, 92 EMG2306-R10A User’s Guide...
  • Page 232 RADIUS application example WAN MAC address WPA2-Pre-Shared Key warranty WPA2-PSK note 212, 213 application example Web Configurator WPA-PSK how to access 212, 213 application example Overview web configurator Web Proxy WEP Encryption 77, 79 WEP encryption WEP key EMG2306-R10A User’s Guide...

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