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Chapter 26 Device HA
ZyWALL 110/310/1100 Series User’s Guide
361
26.3 The Active-Passive Mode Screen
Virtual Router
The master and backup ZyWALL form a single ‘virtual router’. In the following example, master
ZyWALL A and backup ZyWALL B form a virtual router.
Figure 237 Virtual Router
Cluster ID
You can have multiple ZyWALL virtual routers on your network. Use a different cluster ID to identify
each virtual router. In the following example, ZyWALLs A and B form a virtual router that uses
cluster ID 1. ZyWALLs C and D form a virtual router that uses cluster ID 2.
Management IP /
Netmask
This field displays the interface’s management IP address and subnet mask. You can use
this IP address and subnet mask to access the ZyWALL whether it is in master or backup
mode.
Link Status This tells whether the monitored interface’s connection is down or up.
HA Status The text before the slash shows whether the device is configured as the master or the
backup role.
This text after the slash displays the monitored interface’s status in the virtual router.
Active - This interface is up and using the virtual IP address and subnet mask.
Stand-By - This interface is a backup interface in the virtual router. It is not using the
virtual IP address and subnet mask.
Fault - This interface is not functioning in the virtual router right now. In active-passive
mode , if one of the master ZyWALL’s interfaces loses its connection, the master ZyWALL
forces all of its interfaces to the fault state so the backup ZyWALL can take over all of the
master ZyWALL’s functions.
Apply Click Apply to save your changes back to the ZyWALL.
Reset Click Reset to return the screen to its last-saved settings.
Table 129 Configuration > Device HA > General (continued)
LABEL DESCRIPTION
A
B