Configuring VRRP on a V3 interface

Perform this procedure to configure VRRP on a V3 interface on either a brouter port or a VLAN.

Before you begin

  • Assign an IPv4 address to the interface

  • Enable routing globally

  • Do not configure RSMLT on the VLAN

Procedure

  1. In the navigation pane, expand the following folders: Configuration > IP.
  2. Click VRRP.
  3. Click the V3 Interface tab.
  4. Click Insert.
  5. Beside the IfIndex field, click Port or VLAN.
  6. Select a port or VLAN.
  7. Click OK.
  8. Type the virtual router ID.
  9. Type the primary IP address.
  10. Type the advertisement interval.
  11. Click Insert.

Interface field descriptions

Use the data in the following table to use the Interface tab.

Name

Description

IfIndex

Shows the index value that uniquely identifies the interface to which this entry applies.

InetAddrType

Specifies the source network INET Address Type.

VrId

Specifies a number that uniquely identifies a virtual router on a VRRP router.

PrimaryIpAddr

Specifies the virtual address assigned to the VRRP.

VirtualMacAddr

Specifies the MAC address of the virtual router interface.

State

Shows the state of the virtual router interface. The possible states are

  • initialize—waiting for a startup event

  • backup—monitoring availability and state of the master router

  • master—functioning as the forwarding router for the virtual router IP addresses

Control

Displays whether VRRP is enabled or disabled for the port or VLAN.

Priority

Specifies the priority value used by this VRRP router. The value 255 is reserved for the router that owns the IP addresses associated with the virtual router. The default is 100.

AdvInterval

Specifies the time interval, in seconds, between sending advertisement messages. The default is 1 second.

MasterIpAddr

Specifies the IP address of the physical interface of the Master's virtual router.

UpTime

Indicates the time interval since this virtual router exited the INIT state.

CriticalIpAddr

Indicates the IP address of the interface that is critical to VRRP. If that IP interface is down, the VRRP state will transition to Backup, even if it has higher priority.

CriticalIpAddrEnabled

Enables or disables the use of critical IP. When disabled, the VRRP ignores the availability of the address configured as critical IP. This address must be a local address. The default is disabled.

BackUpMaster

Uses the backup VRRP switch for traffic forwarding. This option reduces the traffic on the vIST. The default is disabled.

BackUpMasterState

Indicates if the Backup-Master is operational up. If the switch is in Master state but the Backup-Master is enabled, then the BACKUP MASTER STATE will be down.

FasterAdvIntervalEnabled

Enables or disables the fast advertisement interval. When disabled, the regular advertisement interval is used. The default is disable.

FasterAdvInterval

Configures the interval between VRRP advertisement messages. The default is 200.

Enter the values in multiples of 200 milliseconds.

PreemptMode

Issued to preempt the existing router. If a new router is added to the network with its priority higher than the existing routers, then the new router becomes the master. The default is enabled.

Action

Lists options to override the hold-down timer manually and force preemption:

  • none does not override the timer.

  • preemptHoldDownTimer preempts the timer.

This parameter applies only if the holddown timer is active.

HoldDownTimer

Configures the amount of time, in seconds, to wait before preempting the current VRRP master. The default is 0.

HoldDownTimeRemaining

Indicates the amount of time, in seconds, left before the HoldDownTimer expires.

MasterAdvInterval

On the VRRPv3 master, the master advertisement interval is same as the advertisement interval. On the VRRPv3 Backup, the master advertisement interval is set to the Advertisement configured on the Master (received in the packet).
9037147-00 Rev AB