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standby group.
If a route processor fails, it automatically decrements its priority on that interface and stops transmitting hello
messages out the interface. The standby route processor assumes the active router role when no hello
messages are detected for the specified holdtime period.
Opening a Session on an Internal Route Processor
To configure HSRP on an internal route processor such as an RSFC or RSM, you must start a session using
the session command. To start a session on the RSM located in slot 3, use the following command from
Privileged mode on the switch Internetwork Operating System (IOS):
HSN_5K>(enable) session 3
Trying Router−3…
Connected to Router−3
HSN_5KRSM>
Entering Configuration Mode on an RSM
Once you have started a configuration session, you need to enter Configuration mode for the VLAN interface
that needs to be identified. To configure the interface for VLAN 3, use the following commands:
HSN_5KRSM>enable
HSN_5KRSM#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
HSN_5KRSM(config)#interface vlan 3
HSN_5KRSM(config−if)#
Enabling HSRP and Assigning an IP Address to a Standby
Group
To enable HSRP and specify the virtual IP address, use the following command:
standby <group number> ip <virtual IP address>
For example, to make the group number 3 and the virtual IP address 63.78.39.254 you would enter the
following:
standby 3 ip 63.78.39.254
Tip If you do not specify a group number, then group 0 is used by default. The IP address is the virtual IP
address of the default gateway that you would assign manually or by DHCP to the end stations operating
in this VLAN.
Related solution: Found on page:
Configuring Redundancy Using HSRP 203
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