Vrrp Configuration Overview; Preconfiguration Requirements - Alcatel-Lucent 7705 Configuration Manual

VRRP Configuration Overview

VRRP Configuration Overview
Configuring VRRP policies and instances on service interfaces is optional. The basic owner
and non-owner VRRP configurations on an IES or VPRN interface must specify the backup
ip-address parameter.
VRRP helps eliminate the single point of failure in a routed environment by using virtual
router IP address(es) shared between two or more routers connecting the common domain.
VRRP provides dynamic failover of the forwarding responsibility to the backup router if the
master becomes unavailable.
The VRRP implementation allows one master per IP subnet. All other VRRP instances in the
same domain must be in backup mode.

Preconfiguration Requirements

VRRP policies:
Configuring VRRP on an IES or VPRN service interface:
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• VRRP policies must be configured before they can be applied to an IES or VPRN
VRRP instance. VRRP policies are configured in the config>vrrp context.
• the service customer account must be created prior to configuring an IES or VPRN
VRRP instance
• the interface address must be specified in both the owner and non-owner IES or
VPRN instances
7705 SAR OS Router Configuration Guide