3Com MSR 50 Series Configuration Manual page 2215

When there is a fault on the link between Router A and Router C, you can still
successfully ping Host B on Host A. Use the display vrrp command to view
information about standby group 1.
# Display detailed information about standby group 1 on Router A when there is a
fault on the link between Router A and Router C.
[RouterA-Ethernet1/0] display vrrp verbose
IPv4 Standby Information:
Run Method : VIRTUAL-MAC
Virtual IP Ping : Enable
Interface : Ethernet1/0
VRID : 1
Admin Status : UP
Config Pri : 110
Preempt Mode : YES
Auth Type : SIMPLE TEXT
Track Object : 1
Virtual IP : 10.1.1.10
Master IP : 10.1.1.2
# Display detailed information about standby group 1 on Router B when there is a
fault on the link between Router A and Router C.
[RouterB-Ethernet1/0] display vrrp verbose
IPv4 Standby Information:
Run Method : VIRTUAL-MAC
Virtual IP Ping : Enable
Interface : Ethernet1/0
VRID : 1
Admin Status : UP
Config Pri : 100
Preempt Mode : YES
Auth Type : SIMPLE TEXT
Virtual IP : 10.1.1.10
Virtual MAC : 0000-5e00-0101
Master IP : 10.1.1.2
The output information indicates that when there is a fault on the link between
Router A and Router C, the priority of Router A decreases to 80. Router A
becomes the backup router, and Router B becomes the master router. Packets
from Host A to Host B are forwarded through Router B.
Track Configuration Example
Adver. Timer : 5
State : Backup
Run Pri : 80
Delay Time : 5
Key : hello
Pri Reduced : 30
Adver. Timer : 5
State : Master
Run Pri : 100
Delay Time : 5
Key : hello
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