ZyXEL NWA1123-NI User Guide - Page 84
Layer-2 Isolation
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Chapter 6 Wireless LAN Table 21 Wireless LAN > RADIUS (continued) LABEL Backup RADIUS Server DESCRIPTION If the NWA cannot communicate with the primary RADIUS server, you can have the NWA use a backup RADIUS server. Make sure the check boxe is selected if you want to use the backup server. Backup Server IP Address Backup Server Port Backup Share Secret Primary Accounting Server Primary Server IP Address Primary Server Port Primary Share Secret Backup Accounting Server The NWA will attempt to communicate three times before using the backup server. Requests can be issued from the client interface to use the backup server. The length of time for each authentication is decided by the wireless client or based on the configuration of the Reauthentication Time field in the Wireless LAN > Security screen. Enter the IP address of the RADIUS server to be used for authentication. Enter the port number of the RADIUS server to be used for authentication. Enter a password (up to 64 alphanumeric characters) as the key to be shared between the external authentication server and the NWA. The key must be the same on the external authentication server and your NWA. The key is not sent over the network. Select the check box to enable user accounting through an external authentication server. Enter the IP address of the external accounting server in dotted decimal notation. Enter the port number of the external accounting server. Enter a password (up to 64 alphanumeric characters) as the key to be shared between the external accounting server and the NWA. The key must be the same on the external accounting server and your NWA. The key is not sent over the network. If the NWA cannot communicate with the primary accounting server, you can have the NWA use a backup accounting server. Make sure the check boxe is selected if you want to use the backup server. Backup Server IP Address Backup Server Port Backup Share Secret Back Apply Cancel The NWA will attempt to communicate three times before using the backup server. Enter the IP address of the external accounting server in dotted decimal notation. Enter the port number of the external accounting server. Enter a password (up to 64 alphanumeric characters) as the key to be shared between the external accounting server and the NWA. The key must be the same on the external accounting and your NWA. The key is not sent over the network. Click Back to return to the previous screen. Click Apply to save your changes. Click Cancel to begin configuring this screen afresh. 6.8 Layer-2 Isolation Layer-2 isolation is used to prevent wireless clients associated with your NWA from communicating with other wireless clients, APs, computers or routers in a network. In the following example, layer-2 isolation is enabled on the NWA to allow a guest wireless client (A) to access the main network router (B). The router provides access to the Internet and the network printer (C) while preventing the client from accessing other computers and servers on the 84 NWA1120 Series User's Guide