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Configuration Examples for VRRP
This section provides VRRP configuration examples.
- Example for Configuring a VRRP Group
In this example, a VRRP group is configured to work in master/backup mode. The master router in the VRRP group transmits all network traffic. - Example for Configuring VRRP Groups to Work in Multi-gateway Load Balancing Mode
In this example, two Virtual Router Redundancy Protocol (VRRP) backup groups are configured to work in multi-gateway load balancing mode. Devices in the VRRP groups back up each other and load-balance traffic. - Example for Connecting VRRP Groups to L3VPNs
In this example, a VRRP backup group is specified as a gateway connected to CEs in each Layer 3 virtual private network (L3VPN). This configuration allows various VRRP groups to load-balance traffic and hosts at different sites in each VPN to communicate with each other. - Example for Configuring a VRRP Group on VLANIF Interfaces
In this example, user packets are sent to Device C that is dual-homed to Device A and Device B. The three devices form a ring network. A VRRP group is configured on VLANIF interfaces of these Devices to implement device backup. Broadcasting VRRP packets on the ring network causes broadcast storms. A ring network protocol needs to be configured to prevent this problem. In this example, the Multiple Spanning Tree Protocol (MSTP) is used. - Example for Configuring an mVRRP Group
In this example, an mVRRP group is configured to determine the master/backup status of service VRRP groups bound to it. - Example for Configuring an mVRRP Group to Ignore an Interface Down Event
In this example, an mVRRP group is configured to ignore an interface Down event, allowing both the mVRRP group and a peer BFD session to be established between NPEs. - Example for Associating a VRRP Group with a VRRP-disabled Interface
In this example, a VRRP group is associated with a VRRP-disabled interface. If the interface fails, a master/backup switchover is performed. - Example for Associating a VRRP Group with a BFD Session
In this example, a VRRP group is associated with a BFD session. If the interface on which the VRRP status is Master or the link monitored by BFD goes Down, a backup device in the VRRP group preempts the Master state and takes over. - Example for Associating a VRRP Group with BFD Sessions Using BFD Sampling
In this example, a VRRP group is used together with BFD sampling when link BFD sessions cannot be established between NPEs and PEs. - Example for Associating VRRP with EFM
In this example, Virtual Router Redundancy Protocol (VRRP) is associated with Ethernet in the First Mile (EFM). - Example for Associating a VRRP Group with a Route
In this example, a VRRP backup group is associated with the uplink route that is connected to a network. If the route is withdrawn or becomes inactive, the RM module notifies the VRRP backup group of the change. After receiving the notification, the VRRP backup group performs a master/backup VRRP switchover. - Example for Associating a VRRP Group with an NQA Test Instance
In this example, a VRRP backup group is associated with an NQA test instance. When NQA detects that a cross-device uplink goes Down, it instructs the VRRP backup group to perform a master/backup switchover. - Example for Configuring a Unicast VRRP Group
This section provides an example for configuring a unicast VRRP group to implement the master/backup status negotiation between two devices on a Layer 3 network.
