The following uses the configuration of Core_SPE1 on the core ring as an example. The configurations of Core_SPE2 and Core_SPE3 are similar to the configuration of Core_SPE1, and are not mentioned here.
mpls lsr-id 172.16.0.5 //Configure an MPLS LSR ID. The IP address of a loopback interface is recommended. mpls //Enable MPLS globally. label advertise non-null //Disable PHP so that the egress node assigns labels to the penultimate hop properly. # mpls ldp //Enable MPLS LDP globally. # interface Eth-Trunk4 mpls mpls ldp //Enable MPLS LDP on an interface. # interface Eth-Trunk5 mpls mpls ldp //Enable MPLS LDP on an interface. # interface Eth-Trunk17 mpls mpls ldp //Enable MPLS LDP on an interface. # interface XGigabitEthernet6/0/4 mpls mpls ldp //Enable MPLS LDP on an interface. #
The following uses the configuration of Site1_UPE1 as an example. The configurations of Site1_UPE2, Site2_UPE3, Site2_UPE4, Site3_UPE5, and Site3_UPE6 are similar to the configuration of Site1_UPE1, and are not mentioned here.
mpls lsr-id 172.16.2.51 //Configure an MPLS LSR ID. The IP address of a loopback interface is recommended. mpls //Enable MPLS globally. label advertise non-null //Disable PHP so that the egress node assigns labels to the penultimate hop properly. # mpls ldp //Enable MPLS LDP globally. # interface Eth-Trunk7 mpls mpls ldp //Enable MPLS LDP on an interface. # interface Eth-Trunk17 mpls mpls ldp //Enable MPLS LDP on an interface. #
Run the display mpls ldp session all command to view the MPLS LDP session status. Using Core_SPE1 as an example, if the value of Status is Operational, an MPLS LDP session has been set up successfully.
[Core_SPE1]display mpls ldp session all LDP Session(s) in Public Network Codes: LAM(Label Advertisement Mode), SsnAge Unit(DDDD:HH:MM) A '*' before a session means the session is being deleted. ------------------------------------------------------------------------------ PeerID Status LAM SsnRole SsnAge KASent/Rcv ------------------------------------------------------------------------------ 172.16.0.3:0 Operational DU Passive 0000:00:56 226/226 172.16.0.4:0 Operational DU Active 0000:00:56 226/226 172.16.2.51:0 Operational DU Passive 0000:00:55 223/223 172.16.2.86:0 Operational DU Passive 0000:00:55 223/223 ------------------------------------------------------------------------------ TOTAL: 4 session(s) Found.