A BFD configuration entry is created.
The outbound interface interface interface-type interface-number bound to a BFD session refers
to the AC interface where the PW resides.If a management PW is bound to the BFD session, the
interface should be the loopback interface where the management PW resides.
When the PW to be detected is a backup PW, you must select secondary.
Step 3 Run:
discriminator local discr-value
The local discriminator is set.
And run:
discriminator remote discr-value
The remote discriminator is set.
NOTE
The local discriminator of the local device corresponds to the remote discriminator of the remote device.
Step 4 Run:
commit
The configuration is committed.
When the status of the service PW is Down, the BFD session is created successfully but cannot
be Up. When the status of the management PW is Down, the BFD session cannot be created,
and the system displays prompts.
NOTE
l The local discriminator and remote discriminator of a BFD session cannot be modified after being
configured. To modify the local or remote discriminator of the BFD session, run the undo bfd bfd-
name command in the system view to delete related BFD for PW configuration and then reconfigure
it. After the PW is deleted, related configuration of the BFD session is deleted.
l BFD for PW must be configured or deleted on the PEs on the two ends of a PW simultaneously;
otherwise, the PW statuses on the two PEs are different.
----End
6.8.5 Checking the Configuration
After static BFD for PW is configured, you can view information about BFD and BFD sessions.
Context
The configurations of static BFD for PW are complete.
Procedure
l Run the display bfd configuration pw interface interface-type interface-number
[ secondary ] [ verbose ] command to check the BFD configuration.
l Run the display bfd session pw interface interface-type interface-number [ secondary ]
[ verbose ] command to check information about the BFD session.
----End
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 6 PWE3 Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
570