Dell S4820T User Manual

2 VRRPv2
3 VRRPv3
both Interoperable, send VRRPv3 receive both
Dell(conf-if-te-1/1-vrid-100)#version 3
You can use the version both command in INTERFACE mode to migrate from VRRPv2 to VRRPv3. When
you set the VRRP version to both, the switch sends only VRRPv3 advertisements but can receive VRRPv2
or VRRPv3 packets.
To migrate an IPv4 VRRP group from VRRPv2 to VRRPv3:
1. Set the switches with the lowest priority to “both”.
2. Set the switch with the highest priority to version to 3.
3. Set all the switches from both to version 3.
NOTE: Do not run VRRP version 2 and version 3 in the same group for an extended period of time
Example: Migrating an IPv4 VRRP Group from VRRPv2 to VRRPv3
NOTE: Carefully following this procedure, otherwise you might introduce dual master switches
issues.
To migrate an IPv4 VRRP Group from VRRPv2 to VRRPv3:
1. Set the backup switches to VRRP version to both.
Dell_backup_switch1(conf-if-te-1/1-vrid-100)#version both
Dell_backup_switch2(conf-if-te-1/2-vrid-100)#version both
2. Set the master switch to VRRP protocol version 3.
Dell_master_switch(conf-if-te-1/1-vrid-100)#version 3
3. Set the backup switches to version 3.
Dell_backup_switch1(conf-if-te-1/1-vrid-100)#version 3
Dell_backup_switch2(conf-if-te-1/2-vrid-100)#version 3
Assign 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.
The device supports a total of 120 VRRP groups on a switch with Dell Networking OS or a total of 20
VRRP groups when using SFTOS. The S-Series supports varying number of maximum VRRP groups per
interface.
For more information, refer to VRRP Implementation.
To activate a VRRP group on an interface (so that VRRP group starts transmitting VRRP packets),
configure at least one virtual IP address in a VRRP group. The virtual IP address is the IP address of the
virtual router and does not require the IP address mask.
You can configure up to 12 virtual IP addresses on a single VRRP group (VRID).
The following 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
1120
Virtual Router Redundancy Protocol (VRRP)

Dell S4820T Specifications

General

Brand	Dell
Model	S4820T
Category	Switch
Language	English