Hot Standby Router Protocol

Hot Standby Router Protocol

The attempt abaft the Hot Standby Routing Protocol are marvelously simple: Two or more

routers are configured in such a way that they act as a array of cluster, creating a single, virtual

router. Hosts are configured to use the abode of the basic router as their absence gateway, and

the Hot Standby Routing Protocol (HSRP) manages the controlling apropos which

router acts as the absolute absence gateway.

Figure 20.10 shows the accepted blueprint of an HSRP group, with two routers administration a standby

IP address, and hosts application that abode as their absence gateway.

Each affiliate of the basic router array can additionally act as a accepted router, as continued as all

clients adulatory to use the (non-virtual) router as their absence aperture accept the actual configuration—

in added words, the accepted IP abode of the router interface.