
ZyWALL 1050 Support Notes
104
All contents copyright (c) 2006 ZyXEL Communications Corporation.
Note: The purpose of this policy route is to direct the traffic from 192.168.3.0 which is sent
through the secondary VPN path to be redirected to 192.168.31.0 network and returned
through the original path.
For example, think about when primary VPN tunnel is down, the traffic would go from PC Æ
ZyWALL 2 Plus Æ ZyWALL 1050-B (change source IP to 192.168.31.0) Æ ES-4024A Æ to
FTP server (now the packet is with source 192.168.31.0 to destination 192.168.1.33).
The FTP server’s gateway is ZyWALL 1050-A’s ge2 applied via DHCP or manually
configured. So when traffic would return, it will be flowed from FTP server ÆZyWALL
1050-A’s ge2 (which will redirect the traffic to another host ) Æ192.168.1.254 (which is
ES-4024A’s VLAN3 route-domain IP address) Æ ZyWALL1050-B Æ ZyWALL 2 Plus Æ to
the PC behind ZyWALL 2 Plus.
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