display mpls bfd session protocol bgp

Function

The display mpls bfd session protocol bgp command displays information about dynamic BFD for BGP LSP sessions.

Format

display mpls bfd session protocol bgp [ fec ip-address ]

display mpls bfd session protocol bgp [ fec ip-address ] verbose

Parameters

Parameter	Description	Value
fec ip-address	Displays information about a BFD session for an LSP mapped to a specified FEC.	Expressed in dotted decimal notation.
verbose	Displays detailed information about BFD sessions.	-

Parameter

Description

Value

fec ip-address

Displays information about a BFD session for an LSP mapped to a specified FEC.

Expressed in dotted decimal notation.

verbose

Displays detailed information about BFD sessions.

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
bgp	read

Usage Guidelines

Usage Scenario

To view information about BGP LSPs monitored by BFD, run the display mpls bfd session protocol bgp command. The command output includes the destination address and outbound interface name of an LSP, the local discriminator of the dynamic BFD session, and the status of an MPLS BFD session.

Example

The actual command output varies according to the device. The command output here is only an example.

# Display detailed information about a dynamic BFD session.

<HUAWEI> display mpls bfd session protocol bgp verbose
--------------------------------------------------------------------------------
                        BFD Information: BGP  TUNNEL                          
--------------------------------------------------------------------------------
  No                       :  1
  VrfIndex                 :  vrf1
  LspIndex                 :  76783
  Protocol                 :  BGP
  Fec                      :  10.1.1.1
  Nexthop                  :  10.2.1.1
  Out-Interface            :  -
  Bfd-Discriminator        :  1
  ActTx                    :  10
  ActRx                    :  10
  ActMulti                 :  3
  Bfd-State                :  Up
  Time                     :  56434 sec

# Display information about a dynamic BFD session.

<HUAWEI> display mpls bfd session protocol bgp
-------------------------------------------------------------------------------
                         BFD Information: BGP  Tunnel
-------------------------------------------------------------------------------
FEC             DISC  OUT-IF           NEXTHOP         TUNNEL         STATE
5.5.5.5         8192  -                2.2.2.2         -              Up

**Table 1** Description of the **display mpls bfd session protocol bgp** command output
Item	Description
BFD Information	Object that a BFD session monitors: LDP LSP. TE tunnel. LDP tunnel. BGP Tunnel.
TUNNEL	Tunnel type.
No	Number of session.
VrfIndex	Index of the VPN instance.
LspIndex	Display the LSP index of a BGP LSP.
Protocol	Type of protocol.
Out-Interface	Name of an outbound interface.
ActTx	Interval at which BFD packets are sent.
ActRx	Display the minimum interval at which BFD packets of the session of dynamic BFD for BGP LSP are received.
ActMulti	BFD detection multiplier.
Time	Display the BFD session age of dynamic BFD for BGP LSP.
FEC	Forwarding equivalence class value.
DISC	Local discriminator of a BFD session.
OUT-IF	Name of an outbound interface.
NEXTHOP	IP address of the next hop.
STATE	Status of an MPLS BFD session: Up: The BFD session is Up. Down: The BFD session is Down. AdminDown: The administrator manually closes the BFD session. Init: The BFD session is in the Initial state.