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1 10:17:05.850284 MPLS (label 100656, exp 6, [S], ttl 64)
IP (tos 0xc0, ttl 64, id 40719, offset 0, flags [none], proto TCP (6), length 71)
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
Keepalive Message (4), length: 19
2 10:17:08.118493 MPLS (label 100688, exp 7, [S], ttl 255)
IP (tos 0x0, ttl 64, id 40723, offset 0, flags [none], proto UDP (17), length 76)
12.4.4.4.4786 > 127.0.0.1.3503: [udp sum ok]
LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 48
reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
Return Code: No return code or return code contained in the Error Code TLV (0)
Return Subcode: (0)
Sender Handle: 0x00000000, Sequence: 1
Sender Timestamp: 1087208228.000027564 (1934-06-15T10:17:08Z) Receiver Timestamp: no timestamp
Target FEC Stack TLV (1), length: 12
LDP IPv4 prefix subTLV (1), length: 5
12.1.1.1/32
0x0000: 0c01 0101 20
0x0000: 0001 0005 0c01 0101 2000 0000
3 10:17:08.119504 IP (tos 0xc0, ttl 62, id 50878, offset 0, flags [none], proto UDP (17), length 60)
10.20.0.1.3503 > 12.4.4.4.4786: [udp sum ok]
LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32
reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
Return Code: Replying router is an egress for the FEC at stack depth 0 (3)
Return Subcode: (0)
Sender Handle: 0x00000000, Sequence: 1
Sender Timestamp: 1087208228.000027564 (1934-06-15T10:17:08Z) Receiver Timestamp: 1087208228.000027928 (1934-06-15T10:17:08Z)
4 10:17:08.878375 MPLS (label 100704, exp 6, [S], ttl 64)
IP (tos 0xc0, ttl 64, id 40725, offset 0, flags [none], proto TCP (6), length 71)
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
Keepalive Message (4), length: 19
5 10:17:08.978295 MPLS (label 100704, exp 6, [S], ttl 64)
IP (tos 0xc0, ttl 64, id 40726, offset 0, flags [none], proto TCP (6), length 52)
12.4.4.4.2006 > 12.1.1.1.179: Flags [.], cksum 0x6451 (correct), seq 19, ack 20, win 16384, options [nop,nop,TS val 84784465 ecr 133413], length 0
6 10:17:09.128397 MPLS (label 100688, exp 7, [S], ttl 255)
IP (tos 0x0, ttl 64, id 40727, offset 0, flags [none], proto UDP (17), length 76)
12.4.4.4.4786 > 127.0.0.1.3503: [udp sum ok]
LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 48
reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
Return Code: No return code or return code contained in the Error Code TLV (0)
Return Subcode: (0)
Sender Handle: 0x00000000, Sequence: 2
Sender Timestamp: 1087208229.000029880 (1934-06-15T10:17:09Z) Receiver Timestamp: no timestamp
Target FEC Stack TLV (1), length: 12
LDP IPv4 prefix subTLV (1), length: 5
12.1.1.1/32
0x0000: 0c01 0101 20
0x0000: 0001 0005 0c01 0101 2000 0000
7 10:17:09.129192 IP (tos 0xc0, ttl 62, id 50880, offset 0, flags [none], proto UDP (17), length 60)
10.20.0.1.3503 > 12.4.4.4.4786: [udp sum ok]
LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32
reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
Return Code: Replying router is an egress for the FEC at stack depth 0 (3)
Return Subcode: (0)
Sender Handle: 0x00000000, Sequence: 2
Sender Timestamp: 1087208229.000029880 (1934-06-15T10:17:09Z) Receiver Timestamp: 1087208229.000030186 (1934-06-15T10:17:09Z)
8 10:17:10.128607 MPLS (label 100688, exp 7, [S], ttl 255)
IP (tos 0x0, ttl 64, id 40729, offset 0, flags [none], proto UDP (17), length 76)
12.4.4.4.4786 > 127.0.0.1.3503: [udp sum ok]
LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 48
reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
Return Code: No return code or return code contained in the Error Code TLV (0)
Return Subcode: (0)
Sender Handle: 0x00000000, Sequence: 3
Sender Timestamp: 1087208230.000029928 (1934-06-15T10:17:10Z) Receiver Timestamp: no timestamp
Target FEC Stack TLV (1), length: 12
LDP IPv4 prefix subTLV (1), length: 5
12.1.1.1/32
0x0000: 0c01 0101 20
0x0000: 0001 0005 0c01 0101 2000 0000
9 10:17:10.129475 IP (tos 0xc0, ttl 62, id 50882, offset 0, flags [none], proto UDP (17), length 60)
10.20.0.1.3503 > 12.4.4.4.4786: [udp sum ok]
LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32
reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
Return Code: Replying router is an egress for the FEC at stack depth 0 (3)
Return Subcode: (0)
Sender Handle: 0x00000000, Sequence: 3
Sender Timestamp: 1087208230.000029928 (1934-06-15T10:17:10Z) Receiver Timestamp: 1087208230.000030250 (1934-06-15T10:17:10Z)
10 10:17:11.128577 MPLS (label 100688, exp 7, [S], ttl 255)
IP (tos 0x0, ttl 64, id 40731, offset 0, flags [none], proto UDP (17), length 76)
12.4.4.4.4786 > 127.0.0.1.3503: [udp sum ok]
LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 48
reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
Return Code: No return code or return code contained in the Error Code TLV (0)
Return Subcode: (0)
Sender Handle: 0x00000000, Sequence: 4
Sender Timestamp: 1087208231.000029918 (1934-06-15T10:17:11Z) Receiver Timestamp: no timestamp
Target FEC Stack TLV (1), length: 12
LDP IPv4 prefix subTLV (1), length: 5
12.1.1.1/32
0x0000: 0c01 0101 20
0x0000: 0001 0005 0c01 0101 2000 0000
11 10:17:11.129418 IP (tos 0xc0, ttl 62, id 50883, offset 0, flags [none], proto UDP (17), length 60)
10.20.0.1.3503 > 12.4.4.4.4786: [udp sum ok]
LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32
reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
Return Code: Replying router is an egress for the FEC at stack depth 0 (3)
Return Subcode: (0)
Sender Handle: 0x00000000, Sequence: 4
Sender Timestamp: 1087208231.000029918 (1934-06-15T10:17:11Z) Receiver Timestamp: 1087208231.000030237 (1934-06-15T10:17:11Z)
12 10:17:12.128655 MPLS (label 100688, exp 7, [S], ttl 255)
IP (tos 0x0, ttl 64, id 40733, offset 0, flags [none], proto UDP (17), length 76)
12.4.4.4.4786 > 127.0.0.1.3503: [udp sum ok]
LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 48
reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
Return Code: No return code or return code contained in the Error Code TLV (0)
Return Subcode: (0)
Sender Handle: 0x00000000, Sequence: 5
Sender Timestamp: 1087208232.000029937 (1934-06-15T10:17:12Z) Receiver Timestamp: no timestamp
Target FEC Stack TLV (1), length: 12
LDP IPv4 prefix subTLV (1), length: 5
12.1.1.1/32
0x0000: 0c01 0101 20
0x0000: 0001 0005 0c01 0101 2000 0000
13 10:17:12.129573 IP (tos 0xc0, ttl 62, id 50886, offset 0, flags [none], proto UDP (17), length 60)
10.20.0.1.3503 > 12.4.4.4.4786: [udp sum ok]
LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32
reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
Return Code: Replying router is an egress for the FEC at stack depth 0 (3)
Return Subcode: (0)
Sender Handle: 0x00000000, Sequence: 5
Sender Timestamp: 1087208232.000029937 (1934-06-15T10:17:12Z) Receiver Timestamp: 1087208232.000030273 (1934-06-15T10:17:12Z)
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