151VRRP configuration commandsThe term router in this document refers to both routers and Layer 3 switches.The interfaces that VRRP involves can only be Layer 3 Ethernet interfaces, VLAN interfaces, Layer 3aggregate interfaces, and RPR logical interfaces unless otherwise specified.VRRP cannot be configured on interfaces in aggregation groups.Common VRRP configuration commandsvrrp modeSyntaxvrrp mode load-balanceundo vrrp modeViewSystem viewDefault level2: System levelParametersload-balance: Specifies the load balancing mode.DescriptionUse vrrp mode to configure the VRRP working mode.Use undo vrrp mode to restore the default.By default, VRRP is operating in standard protocol mode.• When you configure the working mode of VRRP by using this command, both IPv4-based andIPv6-based VRRP groups are operating in the specified mode.• When VRRP is operating in load balancing mode, the virtual IP address cannot be the same as theIP address of any interface in the VRRP group, and the virtual IP address should be mapped to thevirtual MAC address. Otherwise, VRRP cannot operate in load balancing mode.• When a VRRP group is created, you can still change the VRRP working mode. When you changethe VRRP working mode, all VRRP groups on the router are operating in the specified mode.Related commands: display vrrp and display vrrp ipv6.Examples# Configure VRRP to operate in load balancing mode. system-view[Sysname] vrrp mode load-balance