VRRP Port Tracking 191
port access vlan 2
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■ Configurations on Switch B
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vrrp ping-enable
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interface Vlan-interface2
ip address 202.38.160.2 255.255.255.0
vrrp vrid 1 virtual-ip 202.38.160.111
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interface Ethernet1/0/5
port access vlan 2
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Precautions ■ The Switch 5500 supports VRRP, while the Switch 4500 does not.
■ For the IP address owner, its priority in the VRRP group is always 255.
■ When configuring VRRP interface tracking, you are recommended to configure
the uplink Trunk port to deny the VLAN that corresponds to the tracked
interface.
■ When you set the priority decrease value of the master in a VRRP group, make
sure that the master has a lower priority than the backups after the decrease.
VRRP Port Tracking VRRP group port tracking function can track the link state of a physical port, and
decrease the priority of the switch when the physical port fails.
With this function enabled for a VRRP group, if the tracked physical port of the
master fails, the priority of the master decreases by the specified value
automatically, making a new election of the master in the group.
Network Diagram
Figure 52 Network diagram for VRRP port tracking
Vlan-int2
10.100.10.2/24
Master
Network
Layer 2 Switch
Backup
Actual IP address
Actual IP address
Virtual IP address
10.100.10.1/24
Vlan-int3
10.100.10.4/24
Virtual IP address
10.100.10.1/24
