Dell S4820T Configuration Manual page 1076

If you are configured for VRRP version 2, the timer values must be in multiples of whole seconds. For
example, timer value of 3 seconds or 300 centisecs are valid and equivalent. However, a timer value of
50 centisecs is invalid because it not is not multiple of 1 second.
If are using VRRP version 3, you must configure the timer values in multiples of 25 centisecs.
To change the advertisement interval in seconds or centisecs, use the following command. A centisecs is
1/100 of a second.
• Change the advertisement interval setting.
INTERFACE-VRID mode
advertise-interval seconds
The range is from 1 to 255 seconds.
The default is 1 second.
• For VRRPv3, change the advertisement centisecs interval setting.
INTERFACE-VRID mode
advertise-interval centisecs centisecs
The range is from 25 to 4075 centisecs in units of 25 centisecs.
The default is 100 centisecs.
Examples of the advertise-interval Command
The following example shows how to change the advertise interval using the advertise-interval
command.
Dell(conf-if-te-1/1)#vrrp-group 111
Dell(conf-if-te-1/1-vrid-111)#advertise-interval 10
Dell(conf-if-te-1/1-vrid-111)#
The following example shows how to verify the advertise interval change using the show conf
command.
Dell(conf-if-te-1/1-vrid-111)#show conf
!
vrrp-group 111
advertise-interval 10
authentication-type simple 7 387a7f2df5969da4
no preempt
priority 255
virtual-address 10.10.10.1
virtual-address 10.10.10.2
virtual-address 10.10.10.3
virtual-address 10.10.10.10
Track an Interface or Object
You can set Dell Networking OS to monitor the state of any interface according to the virtual group.
Each VRRP group can track up to 12 interfaces and up to 20 additional objects, which may affect the
priority of the VRRP group. If the tracked interface goes down, the VRRP group's priority decreases by a
default value of 10 (also known as cost). If the tracked interface's state goes up, the VRRP group's priority
increases by 10.
1076
Virtual Router Redundancy Protocol (VRRP)