MPLS with IGP

Now lets enable IGP protocol in MPLS network and enable mpls on all the interface inside the MPLS domain

Here am going to use OSPF routing protocol and MPLS on all router R1, R2, R3 and R4.

router ospf 1

net 10.0.0.0 0.255.255.255 are 0

net x.x.x.x 0.0.0.0 are 0

!

Int s1/x

Mpls ip

LDP automatically distribute the label and forms neighborship.

Now Check on R4, R4 having LDP peer with only R3.

R4#sh mpls ldp di

 Local LDP Identifier:

    4.4.4.4:0

    Discovery Sources:

    Interfaces:

        Serial1/0 (ldp): xmit/recv

            LDP Id: 3.3.3.3:0

R4#sh mpls ldp neighbor 3.3.3.3 de

    Peer LDP Ident: 3.3.3.3:0; Local LDP Ident 4.4.4.4:0

        TCP connection: 3.3.3.3.646 - 4.4.4.4.12004

        State: Oper; Msgs sent/rcvd: 16/15; Downstream; Last TIB rev sent 18

        Up time: 00:04:07; UID: 1; Peer Id 0;

        LDP discovery sources:

          Serial1/0; Src IP addr: 10.0.0.9

            holdtime: 15000 ms, hello interval: 5000 ms

        Addresses bound to peer LDP Ident:

          10.0.0.6        10.0.0.9        3.3.3.3

        Peer holdtime: 180000 ms; KA interval: 60000 ms; Peer state: estab