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VRRP Configuration Parameters

ExtremeWare XOS 10.1 Concepts Guide 171

VRRP Configuration Parameters

Table 34 lists the parameters that are configured on a VRRP router.

Table 34: VRRP Configuration Parameters

Parameter Description

vrid Virtual router identifier. Configured item in the range of 1- 255. This

parameter has no default value.

priority 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 - 254. The default value is 100.

ip_address One or more IP addresses associated with this virtual router. This

parameter has no default value.

advertisement_interval Time interval between advertisements, in seconds. The range is 1 -

255. The default value is 1 second.

skew_time Time to skew master_down_interval, in seconds. This value is

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

master_down_interval Time interval for backup router to declare master down, in seconds.

This value is calculated as

((3 * advertisement_interval) + skew_time).

preempt_mode Controls whether a higher priority backup router preempts a lower

priority master. A value of true allows preemption. 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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