HP 6125XLG R2306-HP 6125XLG Blade Switch High Availability Configuration Guide - Page 61

Configuring the router priority, preemptive mode, and tracking function, Configuration guidelines,

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Step 4. (Optional.) Assign a virtual IPv6 address, which is a global unicast address. Command vrrp ipv6 vrid virtual-router-id virtual-ip virtual-address Remarks By default, no global unicast address is assigned for an IPv6 VRRP group. Configuring the router priority, preemptive mode, and tracking function Configuration guidelines • The running priority of an IP address owner is always 255, and you do not need to configure it. An IP address owner always operates in preemptive mode. • If you associate a track entry with a VRRP group on an IP address owner, the association does not take effect until the router becomes a non-IP address owner. • When the track entry changes from Negative to Positive or NotReady, the router automatically restores its priority. Configuration procedure To configure the router priority, preemptive mode, and tracking function: Step Command Remarks 1. Enter system view. system-view N/A 2. Enter interface view. interface interface-type interface-number N/A 3. Configure the priority of the router in the VRRP group. vrrp ipv6 vrid virtual-router-id priority priority-value The default setting is 100. 4. Enable the preemptive mode for the router in a VRRP group vrrp ipv6 vrid virtual-router-id and configure the preemption preempt-mode [ delay delay time. delay-value ] By default, the router in a VRRP group operates in preemptive mode and the preemption delay time is 0 seconds, which means an immediate preemption. 5. Associate a VRRP group with a track entry. vrrp ipv6 vrid virtual-router-id track track-entry-number [ reduced priority-reduced | switchover ] By default, a VRRP group is not associated with any track entry. Configuring VF tracking You can configure VF tracking in both standard mode and load balancing mode, but the function takes effect only in load balancing mode. In load balancing mode, you can configure the VFs in a VRRP group to monitor a track entry. When the state of the track entry transits to Negative, the weights of all VFs in the VRRP group on the router decrease by a specific value. When the state of the track entry transits to Positive or NotReady, the original weights of the VFs restore. Configuration guidelines • By default, the weight of a VF is 255, and its lower limit of failure is 10. 56

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56
Step
Command
Remarks
4.
(Optional.) Assign a virtual
IPv6 address, which is a
global unicast address.
vrrp ipv6 vrid
virtual-router-id
virtual-ip
virtual-address
By default, no global unicast
address is assigned for an IPv6
VRRP group.
Configuring the router priority, preemptive mode, and tracking
function
Configuration guidelines
•
The running priority of an IP address owner is always 255, and you do not need to configure it. An
IP address owner always operates in preemptive mode.
•
If you associate a track entry with a VRRP group on an IP address owner, the association does not
take effect until the router becomes a non-IP address owner.
•
When the track entry changes from Negative to Positive or NotReady, the router automatically
restores its priority.
Configuration procedure
To configure the router priority, preemptive mode, and tracking function:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter interface view.
interface
interface-type
interface-number
N/A
3.
Configure the priority of the
router in the VRRP group.
vrrp ipv6 vrid
virtual-router-id
priority
priority-value
The default setting is 100.
4.
Enable the preemptive mode
for the router in a VRRP group
and configure the preemption
delay time.
vrrp ipv6 vrid
virtual-router-id
preempt-mode
[
delay
delay-value
]
By default, the router in a VRRP
group operates in preemptive
mode and the preemption delay
time is 0 seconds, which means an
immediate preemption.
5.
Associate a VRRP group with
a track entry.
vrrp ipv6 vrid
virtual-router-id
track
track-entry-number
[
reduced
priority-reduced
|
switchover
]
By default, a VRRP group is not
associated with any track entry.
Configuring VF tracking
You can configure VF tracking in both standard mode and load balancing mode, but the function takes
effect only in load balancing mode.
In load balancing mode, you can configure the VFs in a VRRP group to monitor a track entry. When the
state of the track entry transits to Negative, the weights of all VFs in the VRRP group on the router
decrease by a specific value. When the state of the track entry transits to Positive or NotReady, the
original weights of the VFs restore.
Configuration guidelines
•
By default, the weight of a VF is 255, and its lower limit of failure is 10.