192IP Routing Configuration and Management

The VRRP priority setting is used to determine which router will become the VRRP master and which will become the VRRP backup. In instances where the priority setting is the same for two routers, the higher IP address becomes the tie breaker. Therefore, it is very important to set the correct VRRP priority. VRRP fast advertisement will also be enabled in this example to allow for fast failover detection.

The following procedure outlines the steps necessary to reproduce the example described above:

Step Action

1Configure VLAN 2 on router R1.

a.Create VLAN 2 on router R1.

5530-24TFD# config terminal

5530-24TFD(config)# vlan create 2 type port

b.Configure the ports for VLAN 2 on R1.

5530-24TFD# config terminal

5530-24TFD(config)# vlan members add 2 1/15

c.Configure an IP address for VLAN 2.

Add IP address 10.1.20.2 / 255.255.255.0 to VLAN 2.

5530-24TFD# config terminal

5530-24TFD(config)# interface vlan 2

5530-24TFD(config-if)# ip address 10.1.20.2 255.255.255.0

d.Configure an OSPF interface for VLAN 2.

5530-24TFD# config terminal

5530-24TFD(config)# router ospf enable

5530-24TFD(config)# router ospf

5530-24TFD(config-router)# network 10.1.20.2

e.Configure VRRP on VLAN 2.

The VRRP VIP address of 10.1.20.1 is added to VLAN 2 using a VRID of 1.

Note 1: The VRRP priority is not configured here; it is left at factory default of 100. Instead, the priority setting on router R2 will be set to a higher value when R2 is configured.

Note 2: Fast advertisement is disabled by default. Fast advertisement is proprietary to Nortel to support an advertisement interval from 200 to 1000 milliseconds (ms) with a default of 200. If fast VRRP advertisement is desired, enable fast advertisement.

Nortel Ethernet Routing Switch 5500 Series

Configuration-IP Routing Protocols

NN47200-503 03.01 Standard

5.127 August 2007

Copyright © 2005-2007, Nortel Networks

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Nortel Networks NN47200-503 Configure Vlan 2 on router R1 Create Vlan 2 on router R1, Configure the ports for Vlan 2 on R1