When you set the discriminators, ensure that the local discriminator at the local end is the same
as the remote discriminator at the peer end; otherwise, the BFD session fails to be set up. After
local and remote discriminators are set successfully, they cannot be modified.
NOTE
For the BFD sessions that use the default multicast IP address, the local and remote discriminators must
be different.
Step 4 Run:
commit
The configuration is committed.
NOTE
After setting necessary parameters, for example, local and remote discriminators, during the creation of a
single-hop BFD session, you must run the commit command to make the configuration take effect.
----End
5.3.5 Checking the Configuration
Procedure
l Run the display bfd configuration { all | static [ for-ip | name cfg-name ] |
discriminator local-discr-value | dynamic | peer-ip peer-ip [ vpn-instance vpn-name ] |
static-auto } [ verbose ] command to check the configuration of BFD.
l Run the display bfd interface [ interface-type interface-number ] command to check
information about the interface where BFD is enabled.
l Run the display bfd session { { all |static } [ for-ip ] | discriminator discr-value |
dynamic | peer-ip peer-ip [ vpn-instance vpn-name ] | static-auto } [ verbose ] command
to check information about a BFD session.
l Run the display bfd statistics session { { all | static } [ for-ip ] | discriminator discr-
value | dynamic | peer-ip peer-ip [ vpn-instance vpn-name ] | static-auto } command to
check the statistics on a BFD session.
----End
Example
Run the display bfd configuration command, and you can view the configuration of a BFD
session.
<Quidway> display bfd configuration static name bfd1 verbose
--------------------------------------------------------------------------------
BFD Session Configuration Name : bfd1
--------------------------------------------------------------------------------
Local Discriminator : 20 Remote Discriminator : 10
BFD Bind Type : Interface(XGigabitEthernet0/0/1)
Bind Session Type : Static
Bind Peer IP Address : 224.0.0.184
Bind Interface : XGigabitEthernet0/0/1
TOS-EXP : 7 Local Detect Multi : 3
Min Tx Interval (ms) : 1000 Min Rx Interval (ms) : 1000
Proc Interface Status : Disable WTR Interval (ms) : -
Bind Application : No Application Bind
Session Description : -
--------------------------------------------------------------------------------
Quidway S6700 Series Ethernet Switches
Configuration Guide - Reliability 5 BFD Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
188
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