OS10 Enterprise Edition User Guide Release 10.4.1.0

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Virtual IP addresses

Virtual routers contain virtual IP addresses configured for that VRRP group (VRID). A VRRP group does not transmit VRRP packets until you assign the virtual IP address to the VRRP group.

To activate a VRRP group on an interface, configure at least one virtual IP address for a VRRP group. The virtual IP address is the IP address of the virtual router and does not require an IP address mask. You can configure up to 10 virtual IP addresses on a single VRRP group (VRID).

These rules apply to virtual IP addresses:
  • The virtual IP addresses must be in the same subnet as the primary or secondary IP addresses configured on the interface. Though a single VRRP group can contain virtual IP addresses belonging to multiple IP subnets configured on the interface, Dell EMC recommends configuring virtual IP addresses belonging to the same IP subnet for any one VRRP group. An interface on which you enable VRRP contains a primary IP address of 50.1.1.1/24 and a secondary IP address of 60.1.1.1/24. The VRRP group (VRID 1) must contain virtual addresses belonging to subnet 50.1.1.0/24 or subnet 60.1.1.0/24.
  • If the virtual IP address and the interface’s primary/secondary IP address are the same, the priority of the VRRP group is set to 255 by default. The interface then becomes the owner router of the VRRP group and the interface’s physical MAC address changes 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.

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