# Configure MPLS and MPLS LDP on Switch A.
[SwitchA] mpls lsr-id 1.1.1.9
[SwitchA] mpls
[SwitchA-mpls] quit
[SwitchA] mpls ldp
[SwitchA-mpls-ldp] quit
[SwitchA] interface vlan-interface 2
[SwitchA-Vlan-interface2] mpls
[SwitchA-Vlan-interface2] mpls ldp
[SwitchA-Vlan-interface2] quit
# Configure MPLS and MPLS LDP on Switch B.
[SwitchB] mpls lsr-id 2.2.2.9
[SwitchB] mpls
[SwitchB-mpls] quit
[SwitchB] mpls ldp
[SwitchB-mpls-ldp] quit
[SwitchB] interface vlan-interface 2
[SwitchB-Vlan-interface2] mpls
[SwitchB-Vlan-interface2] mpls ldp
[SwitchB-Vlan-interface2] quit
[SwitchB] interface vlan-interface 3
[SwitchB-Vlan-interface3] mpls
[SwitchB-Vlan-interface3] mpls ldp
[SwitchB-Vlan-interface3] 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 3
[SwitchC-Vlan-interface3] mpls
[SwitchC-Vlan-interface3] mpls ldp
[SwitchC-Vlan-interface3] quit
After the configuration is complete, 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
----------------------------------------------------------------
2.2.2.9:0
Operational
----------------------------------------------------------------
LAM : Label Advertisement Mode
LAM
SsnRole
FT
DU
Passive
Off
FT
: Fault Tolerance
86
MD5
KA-Sent/Rcv
Off
5/5