Dell Force10 MXL Blade MXL 10/40GbE Switch IO Module Configuration Guide - Page 644

www.dell.com | support.dell.com Because preempt is enabled by default, disable the preempt function with the following command in the VRRP mode. To re-enable preempt, use the preempt command. When preempt is enabled, it does not display in the show commands because it is a default setting. Task Prevent any BACKUP router with a higher priority from becoming the MASTER router. Command Syntax no preempt Figure 38-11. no preempt Command Example FTOS(conf-if-te-1/1)#vrrp-group 111 FTOS(conf-if-te-1/1-vrid-111)#no preempt FTOS(conf-if-te-1/1-vrid-111)#show conf Command Mode INTERFACE-VRID Figure 38-12. show config Command Example FTOS(conf-if-te-1/1-vrid-111)#show conf ! vrrp-group 111 authentication-type simple 7 387a7f2df5969da4 no preempt priority 255 virtual-address 10.10.10.1 virtual-address 10.10.10.2 virtual-address 10.10.10.3 virtual-address 10.10.10.10 FTOS(conf-if-te-1/1-vrid-111)# Change the Advertisement Interval By default, the MASTER router transmits a VRRP advertisement to all members of the VRRP group every 1 second, indicating it is operational and is the MASTER router. If the VRRP group misses three consecutive advertisements, the election process begins and the BACKUP virtual router with the highest priority transitions to MASTER. Note: Dell Force10 recommends increasing the VRRP advertisement interval to a value higher than the default value of 1 second to avoid throttling VRRP advertisement packets. If you do change the time interval between VRRP advertisements on one router, you must change it on all participating routers. To change that advertisement interval, use the following command in the VRRP mode: Task Change the advertisement interval setting. Range: 1-255 seconds Default: 1 second Command Syntax advertise-interval seconds Command Mode INTERFACE-VRID 642 | Virtual Router Redundancy Protocol (VRRP)