display bfd statistics

Function

The display bfd statistics command displays global BFD statistics.

Format

display bfd statistics

Parameters

None

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
bfd	read

Usage Guidelines

Usage Scenario

To view global BFD statistics, such as the number of current BFD sessions, run the display bfd statistics command.

Example

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

# Display global BFD statistics.

<HUAWEI> display bfd statistics
Current Display Board Number : Main
Total Up/Down Session Number : 2/0
Total Up/Down Main Session Number : 0/0
Total Up/Down Sub Session Number  : 0/0
Total Used/Supported Resource Number  : 2/8192
Total Used/Supported Crc Resource Number  : 0/1024
Current Session Number :
      Static session           : 0                Dynamic session        : 2
      E_Dynamic session        : 0                STATIC_AUTO session    : 0
      LDP_LSP session          : 0                STATIC_LSP session     : 0
      TE_TUNNEL session        : 0                TE_LSP session         : 0
      PW session               : 0                IP session             : 0
      VSI PW session           : 0                LDP_TUNNEL session     : 0
      BGP_TUNNEL session       : 0                SR_BE_TUNNEL session   : 1
      FLEX_ALGO_TUNNEL session : 1                SID_LIST session       : 0
      S-BFD reflect session    : 0                P2MP session           : 0
--------------------------------------------------------------------------------
PAF/LCS Name                       Maxnum         Minnum         Create
--------------------------------------------------------------------------------
BFD_SESSION_NUM                    8192           1              2
BFD_IO_SESSION_NUM                 2048           1              0
--------------------------------------------------------------------------------
IO Board Current Create Session Statistics Information :(slot/number)
--------------------------------------------------------------------------------
0 /0     3 /2     4 /0
--------------------------------------------------------------------------------
Current Total Used Discriminator Num               : 2
--------------------------------------------------------------------------------
BFD HA Information :
--------------------------------------------------------------------------------
Current HA Status                                  : Work
--------------------------------------------------------------------------------
BFD for LSP Information :
--------------------------------------------------------------------------------
Ability of auto creating BFD session on egress     : Disable
Period of LSP Ping                                 : 60
--------------------------------------------------------------------------------
BFD Global Information :
--------------------------------------------------------------------------------
System Session Delay Up Timer                      : OFF
--------------------------------------------------------------------------------

**Table 1** Description of the **display bfd statistics** command output
Item	Description
Current Session Number	Number of current BFD sessions. Static session: number of static BFD sessions. Dynamic session: number of dynamic BFD sessions. E_Dynamic session: number of entirely dynamic BFD sessions created by current dynamic BFD for LSP on the LSP egress. Static_Auto session: number of BFD sessions with automatically negotiated discriminators. LDP_LSP session: number of current BFD sessions for an LDP LSP. TE_TUNNEL session: number of current BFD sessions for a TE tunnel. TE_LSP session: number of current BFD sessions for a TE LSP. PW session: number of current BFD sessions for a PW. IP session: number of current BFD sessions for an IP link. VSI PW session: number of current BFD sessions for a VSI PW. LDP_TUNNEL session: number of current BFD sessions for LDP tunnel. BGP_TUNNEL session: number of current BFD sessions for BGP tunnel. SR_BE_TUNNEL session: number of current BFD sessions for SR_BE tunnel. SID_LIST session: number of current BFD sessions for SR-MPLS TE Policy. FLEX_ALGO_TUNNEL session: number of current BFD sessions for Flex-Algo Tunnel.
Current Total Used Discriminator Num	Number of discriminators that are currently used.
Current Display Board Number	Number of the board to which the current information belongs. Main indicates the IPU.
Current HA Status	Current BFD component status.
Total Up/Down Session Number	Total number of current BFD sessions in the Up or Down state.
Total Up/Down Main Session Number	Total number of current main BFD sessions in the Up or Down state.
Total Used/Supported Resource Number	Total used BFD session resource number. / Total supported BFD session resource number.The value range varies according to the product type.
Total Used/Supported Crc Resource Number	Total Used BFD CRC session resource number. / Total supported BFD CRC session resource number.The value range varies according to the product type.
Total Up/Down Sub Session Number	Total number of current sub BFD sessions in the Up or Down state.
Static session	Number of static BFD sessions.
Dynamic session	Number of dynamic BFD sessions.
E_Dynamic session	Number of entirely dynamic BFD sessions created by current dynamic BFD for LSP on the LSP egress.
STATIC_AUTO session	Number of BFD sessions with automatically negotiated discriminators.
LDP_LSP session	Number of LDP_LSP sessions.
STATIC_LSP session	Number of STATIC_LSP sessions.
TE_TUNNEL session	Number of current BFD sessions for a TE tunnel.
TE_LSP session	Number of TE_LSP sessions.
PW session	Number of PW sessions.
IP Session	Number of current BFD sessions for IP.
VSI PW session	Number of VSI PW sessions.
LDP_TUNNEL session	Number of LDP_TUNNEL sessions.
BGP_TUNNEL session	Number of BGP_TUNNEL sessions.
PAF/LCS Name	PAF/License name. BFD_SESSION_NUM: maximum number of BFD sessions that can be created globally. BFD_IO_SESSION_NUM: maximum number of BFD sessions that can be created on each interface board.
Maxnum	Maximum value defined in the license file.
Minnum	Minimum value defined in the license file.
Create	Actual number of created BFD sessions.
IO Board Current Create Session Statistics Information	Number of sessions on an interface board.
BFD HA Information	HA information. Current HA Status: Work. Initialize. Batch backup. Smoothing.
BFD for LSP Information	Information about current BFD sessions for LSP. Ability of auto creating BFD session on egress: Enable: indicates that the egress of an LSP is enabled to passively create a BFD session. Disable: indicates that the egress of an LSP is disabled from passively creating a BFD session. Period of LSP Ping: interval between sending LSP ping packets of the dynamic BFD session for LSP.
BFD Global Information	Other information about BFD sessions. System Session Delay Up Timer: indicates the status of the current system delay Up timer: OFF: indicates that the system is in the normal state. Xs: indicates that after X seconds, the system recovers, and the BFD session can become Up.
Ability of auto creating BFD session on egress	Ability of auto creating BFD session on egress: Enable: indicates that the egress of an LSP is enabled to passively create a BFD session. Disable: indicates that the egress of an LSP is disabled from passively creating a BFD session.
Period of LSP Ping	Interval between sending LSP ping packets of the dynamic BFD session for LSP.
System Session Delay Up Timer	status of the current system delay Up timer, including: OFF: indicates that the system is in the normal state. Xs: indicates that after X seconds, the system recovers, and the BFD session can become Up.
S-BFD reflect session	Number of S-BFD reflect sessions.
SR_BE_TUNNEL session	Number of current BFD sessions for SR_BE tunnel.
FLEX_ALGO_TUNNEL session	Number of current BFD sessions for Flex-Algo Tunnel.
SID_LIST session	Number of current BFD sessions for SR-MPLS TE Policy.
P2MP session	Number of P2MP sessions.