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VRRP Configuration Overview
Page 196 7750 SR OS Router Configuration Guide
VRRP Configuration Overview
Configuring VRRP policies and configuring VRRP instances on IES or VPRN interfaces and
router interfaces is optional. The basic owner and non-owner VRRP configurations on an IES or
router 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 shared between two or more routers connecting the common domain. VRRP provides
dynamic fail over of the forwarding responsibility 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:
• VRRP policies must be configured before they can be applied to an interface or IES or
VPRN VRRP instance. VRRP policies are configured in the
config>vrrp context.
Configuring VRRP on an IES or VPRN service interface:
• The service customer account must be created prior to configuring an IES or VPRN VRRP
instance.
• The interface address must be specified in the both the owner and non-owner IES or
VPRN or router interface instances.