1-12
Examples
# On VLAN-interface 2, configure to track VLAN-interface 1 and configure the priority of the master of
VRRP group 1 (on VLAN-interface 2) to decrease by 50 when VLAN-interface 1 goes down.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] interface Vlan-interface 2
[Sysname-Vlan-interface2] vrrp vrid 1 track interface vlan-interface 1 reduced 50
vrrp vrid track detect-group
Syntax
vrrp vrid virtual-router-id track detect-group group-number [ reduced value-reduced ]
undo vrrp vrid virtual-router-id track detect-group group-number
View
VLAN interface view
Parameters
virtual-router-id: Virtual VRRP group ID, ranging from 1 to 255.
group-number: Detected group number, ranging from 1 to 25.
value-reduced: Value by which the priority decreases. This argument ranges from 1 to 255 and defaults
to 10.
Description
Use the vrrp vrid track detect-group command to enable the auto detect function when employing
VRRP.
Use the undo vrrp vrid track detect-group command to disable the auto detect implementation in
VRRP.
The auto detect result of the detected group can control the priority of a switch in a VRRP group. In this
way, the automatic switching between the master and the backup is implemented.
z Decrease the priority of a switch in a VRRP group when the result of the detected group is
unreachable.
z Restore the priority of the switch in the VRRP group when the result of the detected group is
reachable.
z If an IP address owner exists in a VRRP group, the auto detect function configured on the IP
address owner cannot take effect.
z A detected group can be used to detect up to eight Layer 3 interfaces.
z Currently, auto detect in VRRP is only supported in 5500-EI series switches.
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