Common Configuration Errors; Bfd Session Cannot Become Up - Huawei AR530 Series Configuration Manual

Huawei AR530&AR550 Series Industrial Switch Routers
Configuration Guide - Reliability
----End
Configuration Files
l
l

5.9 Common Configuration Errors

This section describes common configuration errors of BFD.

5.9.1 BFD Session Cannot Become Up

Common Causes
This fault is commonly caused by one of the following:
l
l
Procedure
Step 1 Run the display current-configuration configuration bfd command to check whether the local
and remote discriminators at both ends match.
l If the local and remote discriminators at both ends match, go to step 2.
l If the local and remote discriminators at both ends do not match, run the discriminator
Issue 01 (2014-11-30)
Total UP/DOWN Session Number : 1/0
Configuration file of RouterA
#
sysname RouterA
#
bfd
#
interface gigabitethernet1/0/0
undo portswitch
ip address 10.1.1.1 255.255.255.0
#
bfd atob bind peer-ip 10.1.1.2 interface gigabitEthernet1/0/0 one-arm-echo
discriminator local 1
commit
#
return
Configuration file of RouterB
#
sysname RouterB
#
interface gigabitethernet1/0/0
undo portswitch
ip address 10.1.1.2 255.255.255.0
#
return
The link carrying the BFD session is faulty. As a result, BFD packets cannot be exchanged.
The BFD session flaps frequently.
command to correctly configure local and remote discriminators, and then run the display
bfd session all command to check whether the BFD session is Up.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5 BFD Configuration
147