1  10:17:05.850284 MPLS (label 100656, tc 6, [S], ttl 64) IP 12.4.4.4.4100 > 12.8.8.8.179: Flags [P.], seq 1860641958:1860641977, ack 2969468967, win 16384, options [nop,nop,TS val 84784152 ecr 84770238], length 19: BGP
    2  10:17:08.118493 MPLS (label 100688, tc 7, [S], ttl 255) IP 12.4.4.4.4786 > 127.0.0.1.3503: LSP-PINGv1, MPLS Echo Request, seq 1, length: 48
    3  10:17:08.119504 IP 10.20.0.1.3503 > 12.4.4.4.4786: LSP-PINGv1, MPLS Echo Reply, seq 1, length: 32
    4  10:17:08.878375 MPLS (label 100704, tc 6, [S], ttl 64) IP 12.4.4.4.2006 > 12.1.1.1.179: Flags [P.], seq 399708866:399708885, ack 708613212, win 16384, options [nop,nop,TS val 84784455 ecr 130411], length 19: BGP
    5  10:17:08.978295 MPLS (label 100704, tc 6, [S], ttl 64) IP 12.4.4.4.2006 > 12.1.1.1.179: Flags [.], ack 20, win 16384, options [nop,nop,TS val 84784465 ecr 133413], length 0
    6  10:17:09.128397 MPLS (label 100688, tc 7, [S], ttl 255) IP 12.4.4.4.4786 > 127.0.0.1.3503: LSP-PINGv1, MPLS Echo Request, seq 2, length: 48
    7  10:17:09.129192 IP 10.20.0.1.3503 > 12.4.4.4.4786: LSP-PINGv1, MPLS Echo Reply, seq 2, length: 32
    8  10:17:10.128607 MPLS (label 100688, tc 7, [S], ttl 255) IP 12.4.4.4.4786 > 127.0.0.1.3503: LSP-PINGv1, MPLS Echo Request, seq 3, length: 48
    9  10:17:10.129475 IP 10.20.0.1.3503 > 12.4.4.4.4786: LSP-PINGv1, MPLS Echo Reply, seq 3, length: 32
   10  10:17:11.128577 MPLS (label 100688, tc 7, [S], ttl 255) IP 12.4.4.4.4786 > 127.0.0.1.3503: LSP-PINGv1, MPLS Echo Request, seq 4, length: 48
   11  10:17:11.129418 IP 10.20.0.1.3503 > 12.4.4.4.4786: LSP-PINGv1, MPLS Echo Reply, seq 4, length: 32
   12  10:17:12.128655 MPLS (label 100688, tc 7, [S], ttl 255) IP 12.4.4.4.4786 > 127.0.0.1.3503: LSP-PINGv1, MPLS Echo Request, seq 5, length: 48
   13  10:17:12.129573 IP 10.20.0.1.3503 > 12.4.4.4.4786: LSP-PINGv1, MPLS Echo Reply, seq 5, length: 32