180To do… Use the command… Remarks2. Create a track entry, associate it withthe specified reaction entry of theNQA test group, and specify the delaytime for the track module to notify theapplication modules when the trackentry status changestrack track-entry-number nqaentry admin-name operation-tag reaction item-num [delay { negative negative-time | positive positive-time }* ]RequiredNo track entry that isassociated with the specifiedReaction entry of an NQA testgroup is created by default.When you configure a track entry, the specified NQA test group and Reaction entry can be nonexistent. Inthis case, the status of the configured track entry is Invalid.Configuring track-BFD collaborationThrough the following configuration, you can establish collaboration between the track moduleand BFD, which probes the link status by sending echo packets and informs the track module ofthe probe result.Configuration prerequisitesBefore configuring track-BFD collaboration, configure the source address of the BFD echopackets. For more information about BFD configuration, see BFD in the High AvailabilityConfiguration Guide.Configuration procedureTo configure track-BFD collaboration:To do… Use the command… Remarks1. Enter system view system-view —2. Create a track entry, associate it withthe BFD session, and specify thedelay time for the track module tonotify the application modules whenthe track entry status changestrack track-entry-number bfd echointerface interface-type interface-number remote ip remote-ip localip local-ip [ delay { negativenegative-time | positive positive-time } * ]RequiredNo track entry that isassociated with the BFDsession is created bydefault.
