Associating Track with BFD

BFD supports the control packet mode and echo packet mode. A track entry can be associated only with the echo-mode BFD session. For more information about BFD, see "Configuring BFD."

The associated Track and BFD operate as follows:

Before you associate Track with BFD, configure the source IP address of BFD echo packets. For more information, see "Configuring BFD."

To associate Track with BFD:

Step

Command

Remarks

1. Enter system view.

system-view

N/A

2. Create a track entry, associate it with a BFD session, and enter its view.

track track-entry-number bfd echo interface interface-type interface-number remote ip remote-ip-address local ip local-ip-address

By default, no track entries exist.

Do not configure the virtual IP address of a VRRP group as the local or remote address of a BFD session.

3. Set the delay for notifying the application module of track entry state changes.

delay { negative negative-time | positive positive-time } *

By default, the Track module notifies the application module immediately when the track entry state changes.