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VRRP Configuration Parameters

ExtremeWare XOS 11.0 Concepts Guide 257

VRRP Configuration Parameters

Table 45 lists the parameters that you configure on a VRRP router.

Table 45: VRRP configuration parameters

Parameter Description

vrid This is the virtual router identifier and is a configured item in the range

of 1- to 255. This parameter has no default value.

priority This priority value to be used by this VRRP router in the master

election process. A value of 255 is reserved for a router that is

configured with the virtual router IP address. A value of 0 is reserved

for the master router to indicate it is releasing responsibility for the

virtual router. The range is 1 to 254. The default value is 100.

ip_address This is the IP address associated with this virtual router. You can

associate one or more IP addresses to a virtual router. This parameter

has no default value.

advertisement_interval This is the time interval between advertisements, in seconds. The range

is 1 to 255. The default value is 1 second.

skew_time This is the time to skew master_down_interval, in seconds. This value

is calculated as ((256-priority)/256).

master_down_interval This is the time interval for the backup router to declare master down,

in seconds. This value is calculated as

((3 * advertisement_interval) + skew_time).

preempt_mode This controls whether a higher priority backup router preempts a lower

priority master. A value of true allows preemption, and a value of false

prohibits preemption. The default setting is true.

NOTE

The router that owns the virtual router IP address always

preempts, independent of the setting of this parameter.

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