H3C Technologies H3C S3600 Series Switches - Manual (Page 584)

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z The port to be tracked can be in the VLAN which the VLAN interface of the VRRP group belongs to.
z Up to eight ports can be tracked simultaneously through the port tracking function.
z You can enable Auto Detect on the master switch in a VRRP group, use the Auto Detect function to
detect the routes from the master switch to other networks, and use the detection results
(reachable/unreachable) to control the priority of the master switch, so as to realize the automatic
master-backup switchover. For details, please refer to Auto Detect Operation in this manual.
Displaying and Maintaining VRRP
To do… Use the command… Remarks
Display VRRP statistics
information
display vrrp statistics [ interface
vlan-interface vlan-id [ vrid
virtual-router-id ] ]
Display VRRP state information
display vrrp [ verbose ] [ interface
vlan-interface vlan-id [ vrid
virtual-router-id ] ]
Available in any
view
Clear VRRP statistics
information
reset vrrp statistics [ interface
vlan-interface vlan-id [ vrid
virtual-router-id ] ]
Available in user
view
VRRP Configuration Examples
Single-VRRP Group Configuration
Network requirements
Host A uses the VRRP virtual router comprising switch A and switch B as its default gateway to visit host
B on the Internet.
The information about the VRRP group is as follows:
z VRRP group ID: 1
z Virtual router IP address: 202.38.160.111/24
z Master: Switch A
z Backup: Switch B
z Preemptive mode: enabled
Table 1-1 Network description
Switch
Ethernet port
connecting to Host
A
IP address of the
VLAN interface
Switch priority in
the VRRP group
Preemptive
mode
LSW-A Ethernet 1/0/6 202.38.160.1/24 110 Enabled
LSW-B Ethernet 1/0/5 202.38.160.2/24 100 (default) Enabled