3Com Switch 4800G 24-Port Configuration Manual page 1087

Configuring Standby
Group Priority,
Preemption Mode and
Interface Tracking
Configuring VRRP Packet
Attributes
Configuration prerequisites
Before configuring these features, you should first create the standby group and
configure the virtual IPv6 address.
Configuration procedure
By configuring standby group priority, preemption mode and interface tracking,
you can decide which switch in the standby group serves as the Master.
Follow these steps to configure standby group priority, preemption mode and
interface tracking:
To do...
Enter system view
Enter the specified interface
view
Configure the priority of the
switch in the standby group
Configure the switch in the
standby to work in
preemption mode and
configure preemption delay of
the standby group
Configure the interface to be
tracked
c
CAUTION:
The priority of an IP address owner is always 255 and not configurable.
■
Interface tracking is not configurable on an IP address owner.
■
The priority of a device is reset if the state of the interface under tracking
■
changes from down to up.
Configuration prerequisites
Before configuring the relevant attributes of VRRP packets, you should first create
the standby group and configure the virtual IPv6 address.
Configuration procedure
Follow these steps to configure VRRP packet attributes:
To do...
Enter system view
Enter the specified interface
view
Use the command...
system-view
interface interface-type
interface-number
vrrp ipv6 vrid
virtual-router-id priority
priority-value
vrrp ipv6 vrid
virtual-router-id
preempt-mode [ timer
delay delay-value ]
vrrp ipv6 vrid
virtual-router-id track
interface interface-type
interface-number [ reduced
priority-reduced ]
Use the command...
system-view
interface interface-type
interface-number
Configuring VRRP for IPv6
Remarks
-
-
Optional
100 by default
Optional
The switch in the standby
group works in preemption
mode and the preemption
delay is zero seconds by
default.
Optional
No interface is being tracked
by default.
Remarks
-
-
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