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• 1 router will be selected from the set of routers based on priority to undertake the gateway
function. Other routers will be used as backup routers to perform the duties of gateway for the
gateway router in case of fault of gateway router, thus to guarantee uninterrupted communication
between the host and external network.
Figure 8-3-2 Schematic Diagram of VRRP
Networking
As shown in Figure 8-3-2, Router A and Router C compose a virtual router. This virtual router has
its own IP address. The host in LAN will set the virtual router as the default gateway. Router A or
Router C, the one with the highest priority, will be used as the gateway router to undertake the
function of gateway. Another router will be used as a Backup router.
8.3.3 VRRP Status
Page Wizard: Link Backup →VRRP →VRRP Status
8.3.4 VRRP Setting
Page Wizard: Link Backup → VRRP
The meanings of key items in the page are shown in the table below.
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