H3C Technologies H3C SR8800 User Manual

Page 50

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39

[RouterC-mpls-lspv] quit

3.

Verify the configuration.
Execute the display mpls lsp bfd command on Router A and Router C to view information about
BFD sessions established for LSPs. Take Router A as an example:

[RouterA] display mpls lsp bfd

MPLS BFD Session(s) Information

-----------------------------------------------------------------------------

FEC : 11.1.1.0/24 Type : LSP

Local Discr : 130 Remote Discr : 130

Tunnel ID : --- NextHop : ---

Session State : Up Source IP : 3.3.3.9

Session Role : Passive

FEC : 21.1.1.0/24 Type : LSP

Local Discr : 129 Remote Discr : 129

Tunnel ID : 0x6040000 NextHop : 10.1.1.2

Session State : Up Source IP : 1.1.1.9

Session Role : Active

Total Session Num: 2

The output indicates that two BFD sessions have been established between 11.1.1.0/24 and
21.1.1.0/24: one for detecting the connectivity of the LSP from 1.1.1.0/24 to 21.1.1.0/24, and

the other for detecting the connectivity of the LSP from 21.1.1.0/24 to 1.1.1.0/24.
Use the following command to view the verbose information of the BFD sessions:

[RouterA] display bfd session verbose

Total session number: 2 Up session number: 2 Init mode: Active

IPv4 session working under Ctrl mode:

Local Discr: 129 Remote Discr: 129

Source IP: 1.1.1.9 Destination IP: 127.0.0.1

Session State: Up Interface: LoopBack0

Min Trans Inter: 400ms Act Trans Inter: 400ms

Min Recv Inter: 400ms Act Detect Inter: 2000ms

Recv Pkt Num: 18 Send Pkt Num: 18

Hold Time: 1900ms Connect Type: Indirect

Running Up for: 00:02:36 Auth mode: None

Protocol: MFW/LSPV

Diag Info: No Diagnostic

Local Discr: 130 Remote Discr: 130

Source IP: 1.1.1.9 Destination IP: 3.3.3.9

Session State: Up Interface: LoopBack0

Min Trans Inter: 400ms Act Trans Inter: 400ms

Min Recv Inter: 400ms Act Detect Inter: 2000ms

Recv Pkt Num: 18 Send Pkt Num: 18

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