ZyXEL Communications 100 Series, 200 Series 34.3 The Active-PassiveMode Screen

Chapter 34 Device HA

34.3 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 432 Virtual Router

A

B

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.

Figure 433 Cluster IDs for Multiple Virtual Routers

A 1

B

C

D 2

Monitored Interfaces in Active-Passive Mode Device HA

You can select which interfaces device HA monitors. If a monitored interface on the ZyWALL loses its connection, device HA has the backup ZyWALL take over.

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	ZyWALL USG 100/200 Series User’s Guide