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Hot Standby Router Protocol Commands
To configure HSRP, add the interface for each router that will participate
in the virtual router group, set the priorities, and configure an
authentication string. The HSRP protocol will automatically select the
master and standby router based on the priority settings. You can also
enable the preempt feature which allows a router to take over as the master
router when it comes on line. HSRP also allows you to specify a set of
interfaces that dynamically change the router priority based on their
availability.
standby ip
Use this command to enable the Hot Standby Router Protocol (HSRP) on
an interface and specify the IP address of the virtual router. Use the no
Command Function Mode Page
standby ip Enables HSRP IC 3-225
standby priority Sets the priority of this router in the HSRP group IC 3-227
standby preempt Configures the router to take over as master
virtual router for an HSRP group if it has a higher
priority than the current master virtual router
IC 3-228
standby authentication Configures a key used to authenticate HSRP
packets received from other routers
IC 3-230
standby timers Sets the time between the master and standby
router sending hello packets, and the time before
other routers declare the active master router or
standby router down
IC 3-231
standby track Configures an interface so that the HSRP priority
changes based on the availability of other
interfaces on this router
IC 3-232
show standby Displays HSRP status information PE 3-234
show standby interface Displays HSRP status information for the
specified interface
PE 3-237