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Configure RIPng to Coordinate with BFD

A backup interface can be used only in a specific application environment, but it cannot meet the real-time backup requirement. At this time, RIPng provides the point-to-point Bidirectional Forwarding Detection (BFD) function to realize fast convergence and switchover of routes. BFD provides a method for quickly detecting the status of a line between two devices. When BFD detection is enabled between two adjacent RIPng devices, if the line between the two devices is faulty, BFD can quickly find the fault and notify RIPng. RIP then deletes the RIPng route that is associated with the BFD interface. If the route has a backup route, a switchover to the backup route will be performed in a very short period of time (which is determined by BFD settings). Currently, RIPng only supports single-hop bi-directional BFD detection.

Table 6-17 Configure RIPng to coordinate with BFD

Step

Command

Description

Enter the global configuration mode.

configure terminal

-

Enter the RIPng configuration mode.

ipv6 router rip 100

Mandatory.

By default, the RIPng process is disabled.

Enable the BFD function on all the interfaces that are covered by the RIP ngprocess.

bfd all-interfaces

Mandatory.

 

By default, the BFD function is disabled on all the interfaces that are covered by the RIPng process.

Return to the global configuration mode.

exit

-

Enter the interface configuration mode.

interface interface-name

-

Enable the BFD function on the interface.

ipv6 rip bfd

Mandatory.

By default, the BFD function is disabled on the interface.

note


  • For the related configuration of BFD, refer to the reliability technology-BFD Command Manual.