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Configuring IP Services
IP Services Configuration Examples
IPC-127
Cisco IOS IP Configuration Guide
Router A Configuration
hostname RouterA
!
interface ethernet 0
ip address 10.0.0.1 255.255.255.0
standby 1 ip 10.0.0.3
standby 1 priority 110
standby 1 preempt
standby 2 ip 10.0.0.4
standby 2 preempt
Router B Configuration
hostname RouterB
!
interface ethernet 0
ip address 10.0.0.2 255.255.255.0
standby 1 ip 10.0.0.3
standby 1 preempt
standby 2 ip 10.0.0.4
standby 2 priority 110
standby 2 preempt
HSRP MAC Refresh Interval Examples
This section provides the following HSRP MAC refresh interval examples:
• No Switch or Learning Bridge Present Example
• Switch or Learning Bridge Present Example
No Switch or Learning Bridge Present Example
The following HSRP example of changing the MAC refresh interval is applicable if no switch or learning
bridge is in your network. It prevents the sending of refresh packets.
interface fddi 1/0/0
ip address 10.1.1.1 255.255.255.0
standby ip 10.1.1.250
standby mac-refresh 0
Switch or Learning Bridge Present Example
The following HSRP example of changing the MAC refresh interval is applicable if a switch or learning
bridge is in your network. It will reduce the number of extra packets you send to refresh the MAC cache
on the switch or learning bridge to two per minute.
interface fddi 1/0/0
ip address 10.1.1.1 255.255.255.0
standby ip 10.1.1.250
standby mac-refresh 30