Vrrp Un-Check Ttl; Vrrp Vrid Preempt-Mode - 3Com 8807 Command Reference Manual

796 C 43: VRRP C C
HAPTER ONFIGURATION 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.
Example
# Enable to ping the virtual IP address of the virtual router.
[SW8800] vrrp ping-enable

vrrp un-check ttl

Syntax
vrrp un-check ttl
undo vrrp un-check ttl
View
VLAN interface view
Parameter
None
Description
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.
Example
# Disable to check TTL value of VRRP packet.
[3Com-vlan-interface2] vrrp un-check ttl

vrrp vrid preempt-mode

Syntax
vrrp vrid virtual-router-ID preempt-mode [ timer delay delay-value ]
undo vrrp vrid virtual-router-ID preempt-mode
View
VLAN interface view
Parameter
virtual-router-ID: VRRP virtual router ID, ranging from 1 to 255.
delay-value: Delay in seconds, ranging from 0 to 255.