Configuring Load Balancing with VRRP
===============================
SWITCH A
CatalystA(config)# interface vlan 50
CatalystA(config-if)# ip address 192.168.1.10 255.255.255.0
CatalystA(config-if)# vrrp 1 priority 200
CatalystA(config-if)# vrrp 1 ip 192.168.1.1
CatalystA(config-if)# vrrp 2 priority 100
CatalystA(config-if)# no vrrp 2 preempt
CatalystA(config-if)# vrrp 2 ip 192.168.1.2
SWITCH B
CatalystB(config)# interface vlan 50
CatalystB(config-if)# ip address 192.168.1.11 255.255.255.0
CatalystB(config-if)# vrrp 1 priority 100
CatalystA(config-if)# no vrrp 1 preempt
CatalystB(config-if)# vrrp 1 ip 192.168.1.1
CatalystB(config-if)# vrrp 2 priority 200
CatalystB(config-if)# vrrp 2 ip 192.168.1.2
--------------------
Displaying Switch Roles for VRRP Load Balancing
-------------
CatalystA# show vrrp brief
Interface Grp Pri Time Own Pre State Master addr Group addr
Vlan50 1 200 3218 Y Master 192.168.1.10 192.168.1.1
Vlan50 2 100 3609 Backup 192.168.1.11 192.168.1.2
CatalystA#
CatalystB# show vrrp brief
Interface Grp Pri Time Own Pre State Master addr Group addr
Vlan50 1 100 3609 Backup 192.168.1.10 192.168.1.1
Vlan50 2 200 3218 Y Master 192.168.1.11 192.168.1.2
CatalystB#
-------------------
Verifying VRRP Status for Multiple VRRP Groups
-----------------------------
Catalyst A
CatalystA# show vrrp
Vlan50 - Group 1
State is Master
Virtual IP address is 192.168.1.1
Virtual MAC address is 0000.5e00.0101
Advertisement interval is 1.000 sec
Preemption is enabled
min delay is 0.000 sec
Priority is 200
Authentication is enabled
Master Router is 192.168.1.10 (local),
priority is 200
Master Advertisement interval is
1.000 sec
Master Down interval is 3.218 sec
Vlan50 - Group 2
State is Backup
Virtual IP address is 192.168.1.2
Virtual MAC address is 0000.5e00.0102
Advertisement interval is 1.000 sec
Preemption is disabled
Priority is 100
Authentication is enabled
Master Router is 192.168.1.11, priority
is 200
Master Advertisement interval is
1.000 sec
Master Down interval is 3.609 sec
(expires in 2.977 sec)
CatalystA#
-------------
Catalyst B
CatalystB# show vrrp
Vlan50 - Group 1
State is Backup
Virtual IP address is 192.168.1.1
Virtual MAC address is 0000.5e00.0101
Advertisement interval is 1.000 sec
Preemption is disabled
Priority is 100
Authentication is enabled
Master Router is 192.168.1.10, priority
is 200
Master Advertisement interval is
1.000 sec
Master Down interval is 3.609 sec
(expires in 2.833 sec)
Vlan50 - Group 2
State is Master
Virtual IP address is 192.168.1.2
Virtual MAC address is 0000.5e00.0102
Advertisement interval is 1.000 sec
Preemption is enabled
min delay is 0.000 sec
Priority is 200
Authentication is enabled
Master Router is 192.168.1.11 (local),
priority is 200
Master Advertisement interval is
1.000 sec
Master Down interval is 3.218 sec
CatalystB#
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