HP 6125XLG R2306-HP 6125XLG Blade Switch High Availability Command Reference - Page 100

vrrp ipv6 vrid track, Views, Predefined user roles, Parameters, Usage guidelines, Examples

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Views Interface view Predefined user roles network-admin Parameters virtual-router-id: Specifies an IPv6 VRRP group by its virtual router ID in the range of 1 to 255. adver-interval: Specifies an interval for the master in the specified IPv6 VRRP group to send VRRP advertisements, in the range of 10 to 4095 centiseconds. Usage guidelines The master in an IPv6 VRRP group periodically sends VRRP advertisements to declare its presence. You can use this command to configure the interval at which the master sends VRRP advertisements. HP recommends that you set the VRRP advertisement interval to be greater than 100 centiseconds to maintain system stability. The routers in an IPv6 VRRP group can have different intervals for sending VRRP advertisements. The master in the VRRP group sends VRRP advertisements at the specified interval and carries the interval attribute in the advertisements. After a backup receives the advertisement, it records the interval in the advertisement. If the backup does not receive a new VRRP advertisement from the master when the timer (3 × VRRP advertisement sending interval + Skew_Time) expires, it regards the master as failed and takes over as the master. Large network traffic might disable a backup from receiving VRRP advertisements from the master within the specified time and trigger an unexpected master switchover. To solve this problem, you can use this command to configure a larger interval. Examples # Configure the master in IPv6 VRRP group 1 to send VRRP advertisements at an interval of 500 centiseconds. system-view [Sysname] interface vlan-interface 2 [Sysname-Vlan-interface2] vrrp ipv6 vrid 1 timer advertise 500 Related commands display vrrp ipv6 vrrp ipv6 vrid track Use vrrp ipv6 vrid track to associate an IPv6 VRRP group with a track entry and control master switchover in the VRRP group in response to changes (such as uplink state changes) detected by the track entry. Use undo vrrp ipv6 vrid track to remove the association between an IPv6 VRRP group and a track entry. If no track entry is specified, the association between the VRRP group and any track entry is removed. Syntax vrrp ipv6 vrid virtual-router-id track track-entry-number [ reduced priority-reduced | switchover ] undo vrrp ipv6 vrid virtual-router-id track [ track-entry-number ] 95

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95
Views
Interface view
Predefined user roles
network-admin
Parameters
virtual-router-id
: Specifies an IPv6 VRRP group by its virtual router ID in the range of 1 to 255.
adver-interval
: Specifies an interval for the master in the specified IPv6 VRRP group to send VRRP
advertisements, in the range of 10 to 4095 centiseconds.
Usage guidelines
The master in an IPv6 VRRP group periodically sends VRRP advertisements to declare its presence. You
can use this command to configure the interval at which the master sends VRRP advertisements.
HP recommends that you set the VRRP advertisement interval to be greater than 100 centiseconds to
maintain system stability.
The routers in an IPv6 VRRP group can have different intervals for sending VRRP advertisements. The
master in the VRRP group sends VRRP advertisements at the specified interval and carries the interval
attribute in the advertisements. After a backup receives the advertisement, it records the interval in the
advertisement. If the backup does not receive a new VRRP advertisement from the master when the timer
(3 × VRRP advertisement sending interval + Skew_Time) expires, it regards the master as failed and takes
over as the master.
Large network traffic might disable a backup from receiving VRRP advertisements from the master within
the specified time and trigger an unexpected master switchover. To solve this problem, you can use this
command to configure a larger interval.
Examples
# Configure the master in IPv6 VRRP group 1 to send VRRP advertisements at an interval of 500
centiseconds.
<Sysname> system-view
[Sysname] interface vlan-interface 2
[Sysname-Vlan-interface2] vrrp ipv6 vrid 1 timer advertise 500
Related commands
display
vrrp ipv6
vrrp ipv6 vrid track
Use
vrrp
ipv6
vrid track
to associate an IPv6 VRRP group with a track entry and control master switchover
in the VRRP group in response to changes (such as uplink state changes) detected by the track entry.
Use
undo vrrp ipv6 vrid track
to remove the association between an IPv6 VRRP group and a track entry.
If no track entry is specified, the association between the VRRP group and any track entry is removed.
Syntax
vrrp ipv6 vrid
virtual-router-id
track
track-entry-number
[
reduced
priority-reduced
|
switchover
]
undo vrrp ipv6 vrid
virtual-router-id
track
[
track-entry-number
]