ZyXEL Communications ZYWALL 1050 Support Notes page 159

ZyWALL 1050/ZyWALL USG 300 Support Notes
(2). Simulate the WAN connection of ZyWALL2 Plus is down
Unplug both ZyWALL2 Plus's WAN connection and ZyWALL -A's WAN connection at the
same time, the PC behind ZyWALL 2 Plus should be able to reach the FTP server by ping after
both dial backup and secondary VPN tunnel are on.
See the screen capture of the progress as shown below at this step. The ZyWALL 2 Plus's IKE
detect the tunnel is down and send HASH-DEL packet out. (However, since the Internet
access is down, so ZyWALL -A won't receive those HASH-DEL packets.) The dial backup
starts right away then.
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