VRRP
Router Configuration Guide 391
Configuring VRRP with CLI
This section provides information to configure VRRP using the command line interface.
Topics in this section include:
• VRRP Configuration Overview
• Basic VRRP Configurations
• Common Configuration Tasks
• Configuring VRRP Policy Components
• VRRP Configuration Management Tasks
• Modifying a VRRP Policy
• Deleting a VRRP Policy
→ Modifying Service and Interface VRRP Parameters
- Modifying Non-Owner Parameters
- Modifying Owner Parameters
- Deleting VRRP on an Interface or Service
VRRP Configuration Overview
Configuring VRRP policies and configuring VRRP instances on 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:
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