3Com S7906E - Switch, Configuration Manual

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You may configure different authentication modes and authentication keys for the VRRP groups on
an interface. However, the members of the same VRRP group must use the same authentication
mode and authentication key.
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Excessive traffic or different timer setting on routers can cause the Backup timer to time out
abnormally and trigger a change of the state. To solve this problem, you can prolong the time
interval to send VRRP packets.
Enabling the Trap Function of VRRP
After the trap function is enabled for a VRRP module, the VRRP module will generate traps with severity
level errors to report its key events. The generated traps will be sent to the information center of the
device, where you can configure whether to output the trap information and the output destination. For
information center configurations, refer to Information Center Configuration in the System Volume .
Follow these steps to enable the trap function of VRRP:
To do… Use the command… Remarks
Enter system view system-view —
Enable the trap function of
VRRP snmp-agent trap enable vrrp
[ authfailure | newmaster ]
Optional
Enabled by default.
For detailed description on the snmp-agent trap enable vrrp command, refer to command
snmp-agent trap enable in SNMP Commands in the System Volume .
Displaying and Maintaining VRRP for IPv4
To do… Use the command… Remarks
Display VRRP group status
display vrrp [ verbose ] [ interface
interface-type interface-number [ vrid
virtual-router-id ] ]
Available in any view
Display VRRP group statistics
display vrrp statistics [ interface
interface-type interface-number [ vrid
virtual-router-id ] ]
Available in any view
Clear VRRP group statistics
reset vrrp statistics [ interface
interface-type interface-number [ vrid
virtual-router-id ] ]
Available in user view