8.4.4 Establishing BFD Sessions
After a BFD session is established and bound to the VSI PW, you need to commit the
configuration.
Context
Do as follows on routers at both ends of the VSI PW to be detected:
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
bfd cfg-name bind peer-ip default-ip vsi vsi-name peer peer-address [ vc-id vc-id ]
BFD for VSI PW is configured.
NOTE
A default multicast IP address is required for BFD for VSI PW, that is, a Layer 2 tunnel.
Step 3 Run the following commands to set discriminators:
l Run the discriminator local discr-value command to set the local discriminator.
l Run the discriminator remote discr-value command to set the remote discriminator.
NOTE
The local discriminator of the local system and the remote discriminator of the remote system are the same.
The remote discriminator of the local system and the local discriminator of the remote system are the same.
Otherwise, BFD sessions cannot be established. In addition, discriminators cannot be changed after being
set.
Step 4 Run:
commit
The configuration is committed.
----End
8.4.5 Checking the Configuration
After BFD for VSI PW is configured, you can view information about BFD configurations, BFD
sessions, and BFD statistics.
Prerequisite
The configurations of the BFD for VSI PW function are complete.
Procedure
l Run the display bfd configuration { { all | static } for-vsi-pw | vsi-pw vsi vsi-name
peer peer-address [ vc-id vc-id ] } [ verbose ] command to check BFD configuration on
BFD for VSI PW.
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 8 VPLS Convergence Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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