Dell PowerSwitch S4820T 9.50.1 Configuration Guide for the S4820T System - Page 1039

belonging to either subnet 50.1.1.0/24 or subnet 60.1.1.0/24, but not from both subnets (though Dell Networking OS allows the same). • If the virtual IP address and the interface's primary/secondary IP address are the same, the priority on that VRRP group MUST be set to 255. The interface then becomes the OWNER router of the VRRP group and the interface's physical MAC address is changed to that of the owner VRRP group's MAC address. • If you configure multiple VRRP groups on an interface, only one of the VRRP Groups can contain the interface primary or secondary IP address. • On an S4820T stack system, if a force failover is performed on a master stack unit, the VRRP virtual addresses are disabled. To re-enable VRRP, execute the mac-address-table station-move refresh-arp command. Configuring a Virtual IP Address To configure a virtual IP address, use the following commands. 1. Configure a VRRP group. INTERFACE mode vrrp-group vrrp-id The VRID range is from 1 to 255. 2. Configure virtual IP addresses for this VRID. INTERFACE -VRID mode virtual-address ip-address1 [...ip-address12] The range is up to 12 addresses. Examples of the Configuring and Verifying a Virtual IP Address The following example shows how to configure a virtual IP address. Dell(conf-if-gi-1/1-vrid-111)#virtual-address 10.10.10.1 Dell(conf-if-gi-1/1-vrid-111)#virtual-address 10.10.10.2 Dell(conf-if-gi-1/1-vrid-111)#virtual-address 10.10.10.3 Dell(conf-if-gi-1/1-vrid-111)# The following example shows how to verify a virtual IP address configuration. NOTE: In the following example, the primary IP address and the virtual IP addresses are on the same subnet. Dell(conf-if-gi-1/1)#show conf ! interface GigabitEthernet 1/1 ip address 10.10.10.1/24 ! vrrp-group 111 priority 255 virtual-address 10.10.10.1 virtual-address 10.10.10.2 virtual-address 10.10.10.3 ! vrrp-group 222 no shutdown Dell(conf-if-gi-1/1)# Virtual Router Redundancy Protocol (VRRP) 1039