1-4z When the link between the active VLAN interface and the destination faults (that is, the detectedgroup is unreachable), the system enables the backup VLAN interface.z When the link between the active VLAN interface and the destination recovers (that is, the detectedgroup becomes reachable again), the system shuts down the standby VLAN interface again.You need to create the detected group and perform configurations concerning VLAN interfaces beforethe following operations.Follow these steps to configure the auto detect function for VLAN interface backup:To do… Use the command… RemarksEnter system view system-view —Enter VLAN interface view interface Vlan-interfacevlan-id —Enable the auto detect functionto implement VLAN interfacebackupstandby detect-groupgroup-numberRequiredThis operation is only neededon the secondary VLANinterface.Auto Detect Configuration ExamplesConfiguration Example for Auto Detect Implementation in Static RoutingNetwork requirementsz Create detected group 8 on Switch A; detect the reachability of the IP address 10.1.1.4, with192.168.1.2 as the next hop, and the detecting number set to 1.z On switch A, configure a static route to Switch C.z Enable the static route when the detected group 8 is reachable.z To ensure normal operating of the auto detect function, configure a static route to Switch A onSwitch C.Network diagramFigure 1-1 Network diagram for implementing the auto detect function in static routeConfiguration procedureConfigure the IP addresses of all the interfaces as shown in Figure 1-1. The configuration procedure isomitted.z Configure Switch A.
