ZyXEL ZyWALL 5 User Guide - Page 197
The Traffic Redirect Screen
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Chapter 9 WAN Screens Table 45 NETWORK > WAN > 3G (WAN 2) (continued) LABEL DESCRIPTION Actions when over budget Specify the actions the ZyWALL takes when the time or data limit is exceeded. Select Log to create a log. Select Alert to create an alert. This option is available only when you select Log. If you select Log, you can also select recurring every to have the ZyWALL send a log (and alert if selected) for this event periodically. Specify how often (from 1 to 65535 minutes) to send the log (and alert if selected). Select Allow to permit new 3G connections or Disallow to drop/block new 3G connections. Select Keep to maintain the existing 3G connection or Drop to disconnect it. You cannot select Allow and Drop at the same time. If you select Disallow and Keep, the ZyWALL allows you to transmit data using the current connection, but you cannot build a new connection if the existing connection is disconnected. Actions when over % of time budget or % of data budget Specify the actions the ZyWALL takes when the specified percentage of time budget or data limit is exceeded. Enter a number from 1 to 99 in the percentage fields. If you change the value after you configure and enable budget control, the ZyWALL resets the statistics. Select Log to create a log. Select Alert to create an alert. This option is available only when you select Log. If you select Log, you can also select recurring every to have the ZyWALL send a log (and alert if selected) for this event periodically. Specify how often (from 1 to 65535 minutes) to send the log (and alert if selected). Apply Click Apply to save your changes back to the ZyWALL. Reset Click Reset to begin configuring this screen afresh. 9.5 The Traffic Redirect Screen Traffic redirect forwards WAN traffic to a backup gateway when the ZyWALL cannot connect to the Internet through its normal gateway. Connect the backup gateway on the WAN so that the ZyWALL still provides firewall protection for the LAN. Figure 109 Traffic Redirect WAN Setup IP alias allows you to avoid triangle route security issues when the backup gateway is connected to the LAN or DMZ. Use IP alias to configure the LAN into two or three logical networks with the ZyWALL itself as the gateway for each LAN network. Put the protected LAN in one subnet (Subnet 1 in the following figure) and the backup gateway in another subnet (Subnet 2). Configure a LAN to LAN/ZyWALL firewall rule that forwards packets from the protected LAN (Subnet 1) to the backup gateway (Subnet 2). ZyWALL 5/35/70 Series User's Guide 197