ZyXEL Communications USG40 User Manual page 513

Second Option for Connecting the Bridge Interfaces on Two ZyWALL/USGs
Another option is to disable the bridge interfaces, connect the bridge interfaces, activate device HA,
and finally reactivate the bridge interfaces as shown in the following example.
In this case the ZyWALL/USGs are already connected, but the bridge faces have not been
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configured yet. Configure a disabled bridge interface on the master ZyWALL/USG but disable it.
Then set the bridge interface as a monitored interface, and activate device HA.
Configure a corresponding disabled bridge interface on the backup ZyWALL/USG. Then set the
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bridge interface as a monitored interface, and activate device HA.
Chapter 31 Device HA
Br0 {ge4, ge5}
A
B
Br0 {ge4, ge5}
Br0 {ge4, ge5}
A
B
Br0 {ge4, ge5}
A
B
Br0 {ge4, ge5}
ZyWALL/USG Series User's Guide
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Disabled
Disabled
Disabled