Cisco Systems 78-11741-02 manual Hsrp MAC Refresh Interval Examples, IPC-127

Configuring IP Services

IP Services Configuration Examples

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

Cisco IOS IP Configuration Guide

IPC-127