Dell Force10 MXL Blade MXL 10/40GbE Switch IO Module FTOS Command Line Referen - Page 667

preempt Permit a BACKUP router with a higher priority value to preempt or become the MASTER router. Syntax preempt To prohibit preemption, use the no preempt command. Defaults Enabled (that is, a BACKUP router can preempt the MASTER router). Command Modes VRRP Command History Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module priority Specify a VRRP priority value for the VRRP group. This value is used by the VRRP protocol during the MASTER election process. Syntax priority priority To return to the default value, use the no priority command. Parameters priority Enter a number as the priority. Enter 255 only if the router's virtual address is the same as the interface's primary IP address (that is, the router is the OWNER). Range: 1 to 255 Default: 100 Defaults 100 Command Modes VRRP Command History Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module Usage Information To guarantee that a VRRP group becomes MASTER, configure the VRRP group's virtual address with same IP address as the interface's primary IP address and change the priority of the VRRP group to 255. If you set the priority to 255 and the virtual-address is not equal to the interface's primary IP address, an error message appears. Note: Configuring VRRP priority 255 on an interface on which DHCP Client is enabled is not supported. Virtual Router Redundancy Protocol (VRRP) | 667