D-Link DGS-6600-48T Product Manual - Page 925

DGS-6604 m vrrp critical-ip vrrp critical-ip Use this command to configure the critical IP address. To remove the critical IP address using the no form of this command. vrrp VRID critical-ip IP-ADDRESS no vrrp VRID critical-ip Syntax Description VRID Specifies the Virtual router identifier, which is the number identifying the virtual router for which the critical IP address is being configured. The virtual router identifier is configured with the command "vrrp ip" on page 917. IP-ADDRESS Range is from 1 to 255. Specifies the IP address of the neighbor router that provide the most direct route to the Internet. Default Command Mode Usage Guideline Not configured Interface configuration Referring to the figure below, Router-1 is the VRRP master router while Router-2 is the backup router for virtual IP 20.1.1.5. For the master router, the next hop router which provides access to the Interface is Router-X and the interface IP address on Router-X that connects to Router-1 is 60.5.1.1. IP address 60.5.1.1 is the critical IP address for the master router. Configure the critical IP address on the master router and the master router will monitor the ARP cache of the critical IP address. Once the ARP cache of critical IP is gone from the ARP table, the master router will give up its master status. CLI Reference Guide 915