Step 2 Run:
interface interface-type interface-number
The AC interface view is displayed.
Step 3 Run:
mpls l2vpn pw bfd [ detect-multiplier multiplier | min-rx-interval rx-interval |
min-tx-interval tx-interval ] * [ remote-vcid vc-id ] [ secondary ]
A BFD session is dynamically set up to detect PWs.
After this command is used, the BFD session is created immediately.
This command can also be used to adjust BFD detection parameters.
To detect MH PWs, remote-vcid must be specified.
To detect backup PWs, secondary must be used.
NOTE
BFD for PW must be configured or deleted on the two PEs of a PW simultaneously; otherwise, the PW
statuses on the two PEs are different.
----End
6.9.8 Checking the Configuration
After dynamic BFD for PW is configured, you can view information about BFD and BFD
sessions.
Context
The configurations of dynamic 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
Example
Run the display bfd configuration pw interface interface-type interface-number
[ secondary ] [ verbose ] command, and you can view discriminators of the BFD session, the
type of the PW that is bound to the BFD session, and the type of the BFD session. For example:
<Quidway> display bfd configuration pw interface vlanif 10 verbose
--------------------------------------------------------------------------------
BFD Session Configuration Name : dyn_8192
--------------------------------------------------------------------------------
Local Discriminator : 8192 Remote Discriminator : 8192
BFD Bind Type : PW(Master)
Bind Session Type : Dynamic
Bind Interface : Vlanif10
TOS-EXP : 6 Local Detect Multi : 3
Min Tx Interval (ms) : 100 Min Rx Interval (ms) : 100
WTR Interval (ms) : -- Process PST : Enable
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.
575
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