H3C Technologies H3C S7500E Series Switches User Manual
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[SwitchB-Vlan-interface1] quit
[SwitchB] interface vlan-interface 2
[SwitchB-Vlan-interface2] mpls
[SwitchB-Vlan-interface2] mpls ldp
[SwitchB-Vlan-interface2] quit
# Configure MPLS and MPLS LDP on Switch C.
[SwitchC] mpls lsr-id 3.3.3.9
[SwitchC] mpls
[SwitchC-mpls] quit
[SwitchC] mpls ldp
[SwitchC-mpls-ldp] quit
[SwitchC] interface vlan-interface 1
[SwitchC-Vlan-interface1] mpls
[SwitchC-Vlan-interface1] mpls ldp
[SwitchC-Vlan-interface1] quit
# After the above configurations, two local LDP sessions are established, one between Switch A and
Switch B and the other between Switch B and Switch C. Execute the display mpls ldp session
command on each switch to view the LDP session information, and execute the display mpls ldp
peer
command to view the LDP peer information. Take Switch A as an example:
[SwitchA] display mpls ldp session
LDP Session(s) in Public Network
Total number of sessions: 1
----------------------------------------------------------------
Peer-ID Status LAM SsnRole FT MD5 KA-Sent/Rcv
----------------------------------------------------------------
2.2.2.9:0 Operational DU Passive Off Off 5/5
----------------------------------------------------------------
LAM : Label Advertisement Mode FT : Fault Tolerance
[SwitchA] display mpls ldp peer
LDP Peer Information in Public network
Total number of peers: 1
-----------------------------------------------------------------
Peer-ID Transport-Address Discovery-Source
----------------------------------------------------------------
2.2.2.9:0 2.2.2.9 Vlan-interface1
----------------------------------------------------------------
Allow all static routes and IGP routes to trigger LDP to establish LSPs.
# Configure the LSP establishment triggering policy on Switch A.
[SwitchA] mpls
[SwitchA-mpls] lsp-trigger all
[SwitchA-mpls] return
# Configure the LSP establishment triggering policy on Switch B.
[SwitchB] mpls
[SwitchB-mpls] lsp-trigger all
[SwitchB-mpls] quit
# Configure the LSP establishment triggering policy on Switch C.
[SwitchC] mpls
[SwitchC-mpls] lsp-trigger all
[SwitchC-mpls] quit