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Virtual Router Redundancy Protocol Commands
5-194 Configuring the Internet Protocol
Defaults
• Disabled‐theVRmasterwillnotrespondtoanICMPechorequestsenttothevirtualIP
addressifitisnotthephysicalowner.
•Ifnogroupisprovided,thedefaultgroupis1.
Mode
Interfaceconfiguration:XSR(config-if<xx>)#
Examples
Thefollowingexampleenablesthis featureforVR2oninterfaceF1:
XSR(config)#interface fastethernet 1
XSR(config-if<F1>)#vrrp 2 master-respond-ping
ThefollowingexampledisablesthisfeatureforVR2oninterfaceF1:
XSR(config-if<F1>)#no vrrp 2 master-respond-ping
vrrp <group> preempt
ThiscommandconfigurestheroutertotakeoverasmasterVirtualRouter(VR)foravirtualgroup
ifithashigherprioritythanthecurrentmasterVR.
Thisfeatureisenabledbydefault.Youcanalsoconfigureadelay,whichwillcausethevirtual
routertowaitthespecifiedintervalbefore
issuinganadvertisementclaimingmasterownership.
Syntax
vrrp group preempt [delay <seconds>]
Syntax of the “no” Form
Disablethisfeaturewiththenoformofthecommand:
no vrrp group preempt
Defaults
•Enabled
•Group:1,rangingfrom1to255
• Seconds:0
Notes: The XSR established as the IP address owner will pre-empt another VR, regardless of the
setting of this command.
All VRs in a virtual group must share the same preempt attribute. That is, if one VR is set as no
preempt, the others must be set likewise.
group
VRgroupnumber.
seconds
Intervaltherouterwilldelaybeforeissuinganadvertisementclaiming
masterownership.