1 MPLS (label 100656, exp 6, [S], ttl 64)
2 IP (tos 0xc0, ttl 64, id 40719, offset 0, flags [none], proto TCP (6), length 71)
3 12.4.4.4.4100 > 12.8.8.8.179: Flags [P.], cksum 0xfd1b (correct), seq 1860641958:1860641977, ack 2969468967, win 16384, options [nop,nop,TS val 84784152 ecr 84770238], length 19: BGP
4 Keepalive Message (4), length: 19
5 MPLS (label 100688, exp 7, [S], ttl 255)
6 IP (tos 0x0, ttl 64, id 40723, offset 0, flags [none], proto UDP (17), length 76)
7 12.4.4.4.4786 > 127.0.0.1.3503:
8 LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 48
9 reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
10 Return Code: No return code or return code contained in the Error Code TLV (0)
12 Sender Handle: 0x00000000, Sequence: 1
13 Sender Timestamp: Receiver Timestamp: no timestamp
14 Target FEC Stack TLV (1), length: 12
15 LDP IPv4 prefix subTLV (1), length: 5
17 IP (tos 0xc0, ttl 62, id 50878, offset 0, flags [none], proto UDP (17), length 60)
18 10.20.0.1.3503 > 12.4.4.4.4786:
19 LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32
20 reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
21 Return Code: Replying router is an egress for the FEC at stack depth 0 (3)
23 Sender Handle: 0x00000000, Sequence: 1
24 Sender Timestamp: Receiver Timestamp:
25 MPLS (label 100704, exp 6, [S], ttl 64)
26 IP (tos 0xc0, ttl 64, id 40725, offset 0, flags [none], proto TCP (6), length 71)
27 12.4.4.4.2006 > 12.1.1.1.179: Flags [P.], cksum 0x6c0d (correct), seq 399708866:399708885, ack 708613212, win 16384, options [nop,nop,TS val 84784455 ecr 130411], length 19: BGP
28 Keepalive Message (4), length: 19
29 MPLS (label 100704, exp 6, [S], ttl 64)
30 IP (tos 0xc0, ttl 64, id 40726, offset 0, flags [none], proto TCP (6), length 52)
31 12.4.4.4.2006 > 12.1.1.1.179: Flags [.], cksum 0x6451 (correct), ack 20, win 16384, options [nop,nop,TS val 84784465 ecr 133413], length 0
32 MPLS (label 100688, exp 7, [S], ttl 255)
33 IP (tos 0x0, ttl 64, id 40727, offset 0, flags [none], proto UDP (17), length 76)
34 12.4.4.4.4786 > 127.0.0.1.3503:
35 LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 48
36 reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
37 Return Code: No return code or return code contained in the Error Code TLV (0)
39 Sender Handle: 0x00000000, Sequence: 2
40 Sender Timestamp: Receiver Timestamp: no timestamp
41 Target FEC Stack TLV (1), length: 12
42 LDP IPv4 prefix subTLV (1), length: 5
44 IP (tos 0xc0, ttl 62, id 50880, offset 0, flags [none], proto UDP (17), length 60)
45 10.20.0.1.3503 > 12.4.4.4.4786:
46 LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32
47 reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
48 Return Code: Replying router is an egress for the FEC at stack depth 0 (3)
50 Sender Handle: 0x00000000, Sequence: 2
51 Sender Timestamp: Receiver Timestamp:
52 MPLS (label 100688, exp 7, [S], ttl 255)
53 IP (tos 0x0, ttl 64, id 40729, offset 0, flags [none], proto UDP (17), length 76)
54 12.4.4.4.4786 > 127.0.0.1.3503:
55 LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 48
56 reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
57 Return Code: No return code or return code contained in the Error Code TLV (0)
59 Sender Handle: 0x00000000, Sequence: 3
60 Sender Timestamp: Receiver Timestamp: no timestamp
61 Target FEC Stack TLV (1), length: 12
62 LDP IPv4 prefix subTLV (1), length: 5
64 IP (tos 0xc0, ttl 62, id 50882, offset 0, flags [none], proto UDP (17), length 60)
65 10.20.0.1.3503 > 12.4.4.4.4786:
66 LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32
67 reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
68 Return Code: Replying router is an egress for the FEC at stack depth 0 (3)
70 Sender Handle: 0x00000000, Sequence: 3
71 Sender Timestamp: Receiver Timestamp:
72 MPLS (label 100688, exp 7, [S], ttl 255)
73 IP (tos 0x0, ttl 64, id 40731, offset 0, flags [none], proto UDP (17), length 76)
74 12.4.4.4.4786 > 127.0.0.1.3503:
75 LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 48
76 reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
77 Return Code: No return code or return code contained in the Error Code TLV (0)
79 Sender Handle: 0x00000000, Sequence: 4
80 Sender Timestamp: Receiver Timestamp: no timestamp
81 Target FEC Stack TLV (1), length: 12
82 LDP IPv4 prefix subTLV (1), length: 5
84 IP (tos 0xc0, ttl 62, id 50883, offset 0, flags [none], proto UDP (17), length 60)
85 10.20.0.1.3503 > 12.4.4.4.4786:
86 LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32
87 reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
88 Return Code: Replying router is an egress for the FEC at stack depth 0 (3)
90 Sender Handle: 0x00000000, Sequence: 4
91 Sender Timestamp: Receiver Timestamp:
92 MPLS (label 100688, exp 7, [S], ttl 255)
93 IP (tos 0x0, ttl 64, id 40733, offset 0, flags [none], proto UDP (17), length 76)
94 12.4.4.4.4786 > 127.0.0.1.3503:
95 LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 48
96 reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
97 Return Code: No return code or return code contained in the Error Code TLV (0)
99 Sender Handle: 0x00000000, Sequence: 5
100 Sender Timestamp: Receiver Timestamp: no timestamp
101 Target FEC Stack TLV (1), length: 12
102 LDP IPv4 prefix subTLV (1), length: 5
104 IP (tos 0xc0, ttl 62, id 50886, offset 0, flags [none], proto UDP (17), length 60)
105 10.20.0.1.3503 > 12.4.4.4.4786:
106 LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32
107 reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
108 Return Code: Replying router is an egress for the FEC at stack depth 0 (3)
110 Sender Handle: 0x00000000, Sequence: 5
111 Sender Timestamp: Receiver Timestamp: