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Keeping a VIP Address in the Backup State

September 21, 2020
Contributed by: 
C

You can force a VIP address to always stay in backup state. This operation is helpful in maintenance or testing of a VRRP deployment.

When a VIP address is forced to stay in backup state, it does not participate in VRRP state transitions. Also, it cannot become master even if all other nodes go down.

To force a VIP address to stay in backup state, you set the priority of the associated virtual MAC address to zero. To ensure that none of the VIP addresses of a node handle traffic during a maintenance process on the node, set all the priorities to zero.

You can the set the priority of a virtual MAC address while adding or modifying the address.

To force a VIP address to stay in the backup state by using the CLI:

  • To set the priority while adding a virtual MAC, at the command prompt, type:
    • add vrID <id> -priority 0
    • show vrID
  • To set the priority while modifying a virtual MAC, at the command prompt, type:
    • set vrID <id> -priority 0
    • show vrID

To force a VIP address to stay in backup state by using the GUI:

  1. Navigate to System > Network > VMAC.
  2. On the VMAC tab, while adding a new virtual MAC or editing an existing virtual MAC, set the Priority parameter to zero.
Keeping a VIP Address in the Backup State
September 21, 2020
Contributed by: 
C
September 21, 2020
Contributed by: 
C

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