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NE20E-S V800R010C10SPC500 Configuration Guide - MPLS 01

This is NE20E-S V800R010C10SPC500 Configuration Guide - MPLS
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Verifying the Configuration of Dynamic BFD for CR-LSP

Verifying the Configuration of Dynamic BFD for CR-LSP

After configuring dynamic BFD for CR-LSP, you can verify that a CR-LSP is Up and a BFD session is successfully established.

Procedure

  • Run the display bfd session dynamic [ verbose ] command to check information about the BFD session on the ingress.
  • Run the display bfd session passive-dynamic [ peer-ip peer-ipremote-discriminator discriminator ] [ verbose ] command to check information about the BFD session passively created on the egress.
  • Check the BFD statistics.

    • Run the display bfd statistics command to check statistics about all BFD sessions.
    • Run the display bfd statistics session dynamic command to check statistics about dynamic BFD sessions.

  • Run the display mpls bfd session [ protocol rsvp-te | outgoing-interface interface-type interface-number ] [ verbose ] command to check information about the MPLS BFD session.

Example

Run the display bfd session all verbose command on the ingress. The status of the BFD sessions is Up, and the links bound to the sessions are TE LSPs.
<HUAWEI> display bfd session dynamic verbose 
(w): State in WTR 
(*): State is invalid
--------------------------------------------------------------------------------
  State : Up                    Name : dyn_16385
--------------------------------------------------------------------------------
  Local Discriminator    : 16385            Remote Discriminator   : 16385
  Session Detect Mode    : Asynchronous Mode Without Echo Function
  BFD Bind Type          : TE_LSP 
  Bind Session Type      : Dynamic 
  Bind Peer IP Address   : 3.3.3.3         
  NextHop Ip Address     : 172.16.12.2 
  Bind Interface         : Tunnel3          TE LSP Type            : Primary 
  Tunnel ID              : 33  
  FSM Board Id           : 3                TOS-EXP                : 7
  Min Tx Interval (ms)   : 10               Min Rx Interval (ms)   : 10
  Actual Tx Interval (ms): 10               Actual Rx Interval (ms): 10 
  Local Detect Multi     : 3                Detect Interval (ms)   : 30 
  Echo Passive           : Disable          Acl Number             : -
  Destination Port       : 3784             TTL                    : 1 
  Proc Interface Status  : Disable          Process PST            : Enable     
  WTR Interval (ms)      : -                Config PST             : Enable     
  Active Multi           : 3   
  Last Local Diagnostic  : No Diagnostic
  Bind Application       : TE
  Session TX TmrID       : -                Session Detect TmrID   : - 
  Session Init TmrID     : -                Session WTR TmrID      : - 
  Session Echo Tx TmrID  : -   
  Session Description    : - 
--------------------------------------------------------------------------------

    Total UP/DOWN Session Number : 1/0
Run the display bfd session passive-dynamic verbose command on the egress. The BFD session created on the egress is a multi-hop BFD session bound to the peer IP address.
<HUAWEI> display bfd session passive-dynamic verbose
(w): State in WTR 
(*): State is invalid
--------------------------------------------------------------------------------
  (Multi Hop) State : Up                    Name : dyn_16385
--------------------------------------------------------------------------------
  Local Discriminator    : 16385            Remote Discriminator   : 16385
  Session Detect Mode    : Asynchronous Mode Without Echo Function
  BFD Bind Type          : Peer IP Address  
  Bind Session Type      : Entire_Dynamic 
  Bind Peer IP Address   : 1.1.1.1          
  Bind Interface         : -                                                  
  FSM Board Id           : 3                TOS-EXP                : 7
  Min Tx Interval (ms)   : 10               Min Rx Interval (ms)   : 10
  Actual Tx Interval (ms): 10               Actual Rx Interval (ms): 10 
  Local Detect Multi     : 3                Detect Interval (ms)   : 30 
  Echo Passive           : Disable          Acl Number             : -
  Destination Port       : 3784             TTL                    : 253 
  Proc Interface Status  : Disable          Process PST            : Disable    
  WTR Interval (ms)      : -                Config PST             : Disable    
  Active Multi           : 3   
  Last Local Diagnostic  : No Diagnostic
  Bind Application       : No Application Bind
  Session TX TmrID       : -                Session Detect TmrID   : - 
  Session Init TmrID     : -                Session WTR TmrID      : - 
  Session Echo Tx TmrID  : -   
  Session Description    : - 
--------------------------------------------------------------------------------

    Total UP/DOWN Session Number : 1/0
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Updated: 2019-01-03

Document ID: EDOC1100055103

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