ZyWALL 5 Support Notes
All contents copyright (c) 2006 ZyXEL Communications Corporation.
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6. Select Enable IPSec High Availability to activate the IPSec HA feature and enter the IP
address of WAN2 (61.82.69.2 in this example) in the Redundant Remote Gateway field.
7. If you want the ZyWALL to route all traffic through the primary WAN connection again,
select Fail back to Primary Remote Gateway when possible. You must enter the time
interval to check the availability of the primary WAN connection. In this example, the check
interval is 28800 seconds.
8. Set the other fields in the configuration screen depending on your network environment.
9. After configuring VPN settings on the local ZyWALL 2 Plus, you must also create a VPN
tunnel on the remote VPN gateway to connect from the central office to the ZyWALL 2 Plus
in the branch office. If you are using ZyWALL 70 or ZyWALL 35 as the remote VPN
gateway, you also get the redundant WAN/VPN feature. In this case, enter 0.0.0.0 in the My
IP Address field to set the system to automatically detect the IP address of the active WAN
interface. Thus if the primary WAN interface is down, the My Address field is the IP address
of the secondary WAN interface.
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