3com 8807 Reference Guide

C

HAPTER

 43: VRRP C

ONFIGURATION

 C

OMMANDS

Use the undo vrrp ping-enable command to disable the function.

By default, the ping function is enabled.

You can only use the commands before configuring any virtual router. If a virtual 
router is already established on the switch, it is not allowed to use the vrrp 
ping-enable command the undo vrrp ping-enable command to modify the 
configuration any more.

# Enable to ping the virtual IP address of the virtual router.

[SW8800] vrrp ping-enable 

VLAN interface view

None

Use the vrrp un-check ttl command to disable the check of TTL value of VRRP 
packet. Use the undo vrrp un-check ttl command to enable the check of TTL 
value of VRRP packet.

The TTL value must be 225. If the Backup switch finds TTL is not 225 when 
receiving VRRP packet, the packet will be discarded.

By default, the switch checks TTL value of VRRP packets.

# Disable to check TTL value of VRRP packet.

[3Com-vlan-interface2] vrrp un-check ttl 

vrrp vrid virtual-router-ID preempt-mode [ timer delay delay-value ]

undo vrrp vrid virtual-router-ID preempt-mode

VLAN interface view

virtual-router-ID: VRRP virtual router ID, ranging from 1 to 255.

delay-value: Delay in seconds, ranging from 0 to 255.