Operation Manual – VRRP-HAH3C S7500 Series Ethernet Switches Chapter 1 VRRP Configuration1-8To do… Use the command… RemarksEnter VLAN interface view interface Vlan-interfacevaln-id —Configure the priority ofthe backup groupvrrp vrid virtual-router-idpriority priorityOptionalBy default, the priority of abackup group is 100.Configure the preemptivemode and delay period forthe backup groupvrrp vrid virtual-router-idpreempt-mode [ timerdelay delay-value ]OptionalBy default, a backupgroup operates in thepreemptive mode.Configure theauthentication type andauthentication keyvrrpauthentication-modeauthentication-typeauthentication-keyOptionalBy default, noauthentication isconfigured for a backupgroup.Configure the VRRP timervrrp vrid virtual-router-idtimer advertiseadver-intervalOptionalBy default, the interval forthe master switch in abackup group to sendVRRP packets is 1second.Specify theinterface/Ethernet port tobe trackedvrrp vrid virtual-router-idtrack interface-typeinterface-number[ reduced value-reduced ]Optionalvalue-reduced: Value bywhich the priority is to bereduced. By default, thisvalue is 10.1.3 Displaying and Maintaining VRRPTo do… Use the command… RemarksDisplay VRRP stateinformation and statisticsinformationdisplay vrrp [ interfacevlan-interface vlan-id |statistics[ vlan-interface vlan-id ] ][ virtual-router-id ]Available in any view.Clear VRRP statisticsreset vrrp statistics[ vlan-interface vlan-id ][ virtual-router-id ]Available in user view.Enable VRRP debuggingfunctiondebugging vrrp { state |packet } Available in user view.