H3C S7500E Series Ethernet Switches Operation Manual

Operation Manual – HA
H3C S7500E Series Ethernet Switches Chapter 1 VRRP Configuration
1-18
1.3.5 Configuring Standby Group Priority, Preemption Mode and Interface
Tracking
I. Configuration prerequisites
Before configuring these features, you should first create the standby group and
configure the virtual IPv6 address.
II. 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… Use the command… Remarks
Enter system view
system-view
—
Enter the specified
interface view
interface interface-type
interface-number
—
Configure the priority of
the switch in the standby
group
vrrp ipv6 vrid
virtual-router-id priority
priority-value
Optional
100 by default
Configure the switch in
the standby to work in
preemption mode and
configure preemption
delay of the standby
group
vrrp ipv6 vrid
virtual-router-id
preempt-mode [ timer
delay delay-value ]
Optional
The switch in the standby
group works in
preemption mode and the
preemption delay is zero
seconds by default.
Configure the interface to
be tracked
vrrp ipv6 vrid
virtual-router-id track
interface interface-type
interface-number
[ reduced
priority-reduced ]
Optional
No interface is being
tracked by default.
Caution:
z The priority of an IP address owner is always 255 and not configurable.
z Interface tracking is not configurable on an IP address owner.
z The priority of a device is reset if the state of the interface under tracking changes
from down to up.