124To configure router priority, preemptive mode and the track entry tracking function:To do… Use the command… Remarks1. Enter system view system-view —2. Enter interface view interface interface-type interface-number —3. Configure router priority in theVRRP groupvrrp vrid virtual-router-idpriority priority-valueOptional100 by default.4. Configure the router in theVRRP group to work inpreemptive mode andconfigure preemption delayvrrp vrid virtual-router-idpreempt-mode [ timer delaydelay-value ]OptionalThe router in the VRRP group worksin preemptive mode and thepreemption delay is 0 seconds bydefault.5. Configure the interface to betrackedvrrp vrid virtual-router-id trackinterface interface-type interface-number [ reduced priority-reduced ]OptionalNo interface is being tracked bydefault.6. Configure VRRP to track aspecified track entryvrrp vrid virtual-router-id tracktrack-entry-number [ reducedpriority-reduced | switchover ]OptionalNot configured by default.• The running priority of an IP address owner is always 255 and you do not need to configure it. An IPaddress owner always works in the preemptive mode.• Do not configure VRRP tracking of an interface or an object on an IP address owner.• The tracked interface can be a VLAN interface only.• If the state of the interface under tracking changes from down to up, the priority of the switchcorresponding to the interface is restored automatically.• If the state of a track entry changes from negative to positive or invalid, the priority of the switchcorresponding to the track entry is restored automatically.Configuring VF trackingConfiguration prerequisitesBefore configuring the VF tracking function, create a VRRP group and configure a virtual IPaddress for it.Configuration procedureVRRP works in load balancing mode. Suppose that the VF is configured to monitor the track entry.When the state of the track entry becomes negative, the weight values of all VFs on the routers