1*05b00f60SXin Li 1 10:17:05.850284 MPLS (label 100656, tc 6, [S], ttl 64) 2*05b00f60SXin Li IP (tos 0xc0, ttl 64, id 40719, offset 0, flags [none], proto TCP (6), length 71) 3*05b00f60SXin Li 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*05b00f60SXin Li Keepalive Message (4), length: 19 5*05b00f60SXin Li 2 10:17:08.118493 MPLS (label 100688, tc 7, [S], ttl 255) 6*05b00f60SXin Li IP (tos 0x0, ttl 64, id 40723, offset 0, flags [none], proto UDP (17), length 76) 7*05b00f60SXin Li 12.4.4.4.4786 > 127.0.0.1.3503: [udp sum ok] 8*05b00f60SXin Li LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 48 9*05b00f60SXin Li reply-mode: Reply via an IPv4/IPv6 UDP packet (2) 10*05b00f60SXin Li Return Code: No return code or return code contained in the Error Code TLV (0) 11*05b00f60SXin Li Return Subcode: (0) 12*05b00f60SXin Li Sender Handle: 0x00000000, Sequence: 1 13*05b00f60SXin Li Sender Timestamp: 1087208228.000027564 (1934-06-15T10:17:08Z) Receiver Timestamp: no timestamp 14*05b00f60SXin Li Target FEC Stack TLV (1), length: 12 15*05b00f60SXin Li LDP IPv4 prefix subTLV (1), length: 5 16*05b00f60SXin Li 12.1.1.1/32 17*05b00f60SXin Li 0x0000: 0c01 0101 20 18*05b00f60SXin Li 0x0000: 0001 0005 0c01 0101 2000 0000 19*05b00f60SXin Li 3 10:17:08.119504 IP (tos 0xc0, ttl 62, id 50878, offset 0, flags [none], proto UDP (17), length 60) 20*05b00f60SXin Li 10.20.0.1.3503 > 12.4.4.4.4786: [udp sum ok] 21*05b00f60SXin Li LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32 22*05b00f60SXin Li reply-mode: Reply via an IPv4/IPv6 UDP packet (2) 23*05b00f60SXin Li Return Code: Replying router is an egress for the FEC at stack depth 0 (3) 24*05b00f60SXin Li Return Subcode: (0) 25*05b00f60SXin Li Sender Handle: 0x00000000, Sequence: 1 26*05b00f60SXin Li Sender Timestamp: 1087208228.000027564 (1934-06-15T10:17:08Z) Receiver Timestamp: 1087208228.000027928 (1934-06-15T10:17:08Z) 27*05b00f60SXin Li 4 10:17:08.878375 MPLS (label 100704, tc 6, [S], ttl 64) 28*05b00f60SXin Li IP (tos 0xc0, ttl 64, id 40725, offset 0, flags [none], proto TCP (6), length 71) 29*05b00f60SXin Li 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 30*05b00f60SXin Li Keepalive Message (4), length: 19 31*05b00f60SXin Li 5 10:17:08.978295 MPLS (label 100704, tc 6, [S], ttl 64) 32*05b00f60SXin Li IP (tos 0xc0, ttl 64, id 40726, offset 0, flags [none], proto TCP (6), length 52) 33*05b00f60SXin Li 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 34*05b00f60SXin Li 6 10:17:09.128397 MPLS (label 100688, tc 7, [S], ttl 255) 35*05b00f60SXin Li IP (tos 0x0, ttl 64, id 40727, offset 0, flags [none], proto UDP (17), length 76) 36*05b00f60SXin Li 12.4.4.4.4786 > 127.0.0.1.3503: [udp sum ok] 37*05b00f60SXin Li LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 48 38*05b00f60SXin Li reply-mode: Reply via an IPv4/IPv6 UDP packet (2) 39*05b00f60SXin Li Return Code: No return code or return code contained in the Error Code TLV (0) 40*05b00f60SXin Li Return Subcode: (0) 41*05b00f60SXin Li Sender Handle: 0x00000000, Sequence: 2 42*05b00f60SXin Li Sender Timestamp: 1087208229.000029880 (1934-06-15T10:17:09Z) Receiver Timestamp: no timestamp 43*05b00f60SXin Li Target FEC Stack TLV (1), length: 12 44*05b00f60SXin Li LDP IPv4 prefix subTLV (1), length: 5 45*05b00f60SXin Li 12.1.1.1/32 46*05b00f60SXin Li 0x0000: 0c01 0101 20 47*05b00f60SXin Li 0x0000: 0001 0005 0c01 0101 2000 0000 48*05b00f60SXin Li 7 10:17:09.129192 IP (tos 0xc0, ttl 62, id 50880, offset 0, flags [none], proto UDP (17), length 60) 49*05b00f60SXin Li 10.20.0.1.3503 > 12.4.4.4.4786: [udp sum ok] 50*05b00f60SXin Li LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32 51*05b00f60SXin Li reply-mode: Reply via an IPv4/IPv6 UDP packet (2) 52*05b00f60SXin Li Return Code: Replying router is an egress for the FEC at stack depth 0 (3) 53*05b00f60SXin Li Return Subcode: (0) 54*05b00f60SXin Li Sender Handle: 0x00000000, Sequence: 2 55*05b00f60SXin Li Sender Timestamp: 1087208229.000029880 (1934-06-15T10:17:09Z) Receiver Timestamp: 1087208229.000030186 (1934-06-15T10:17:09Z) 56*05b00f60SXin Li 8 10:17:10.128607 MPLS (label 100688, tc 7, [S], ttl 255) 57*05b00f60SXin Li IP (tos 0x0, ttl 64, id 40729, offset 0, flags [none], proto UDP (17), length 76) 58*05b00f60SXin Li 12.4.4.4.4786 > 127.0.0.1.3503: [udp sum ok] 59*05b00f60SXin Li LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 48 60*05b00f60SXin Li reply-mode: Reply via an IPv4/IPv6 UDP packet (2) 61*05b00f60SXin Li Return Code: No return code or return code contained in the Error Code TLV (0) 62*05b00f60SXin Li Return Subcode: (0) 63*05b00f60SXin Li Sender Handle: 0x00000000, Sequence: 3 64*05b00f60SXin Li Sender Timestamp: 1087208230.000029928 (1934-06-15T10:17:10Z) Receiver Timestamp: no timestamp 65*05b00f60SXin Li Target FEC Stack TLV (1), length: 12 66*05b00f60SXin Li LDP IPv4 prefix subTLV (1), length: 5 67*05b00f60SXin Li 12.1.1.1/32 68*05b00f60SXin Li 0x0000: 0c01 0101 20 69*05b00f60SXin Li 0x0000: 0001 0005 0c01 0101 2000 0000 70*05b00f60SXin Li 9 10:17:10.129475 IP (tos 0xc0, ttl 62, id 50882, offset 0, flags [none], proto UDP (17), length 60) 71*05b00f60SXin Li 10.20.0.1.3503 > 12.4.4.4.4786: [udp sum ok] 72*05b00f60SXin Li LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32 73*05b00f60SXin Li reply-mode: Reply via an IPv4/IPv6 UDP packet (2) 74*05b00f60SXin Li Return Code: Replying router is an egress for the FEC at stack depth 0 (3) 75*05b00f60SXin Li Return Subcode: (0) 76*05b00f60SXin Li Sender Handle: 0x00000000, Sequence: 3 77*05b00f60SXin Li Sender Timestamp: 1087208230.000029928 (1934-06-15T10:17:10Z) Receiver Timestamp: 1087208230.000030250 (1934-06-15T10:17:10Z) 78*05b00f60SXin Li 10 10:17:11.128577 MPLS (label 100688, tc 7, [S], ttl 255) 79*05b00f60SXin Li IP (tos 0x0, ttl 64, id 40731, offset 0, flags [none], proto UDP (17), length 76) 80*05b00f60SXin Li 12.4.4.4.4786 > 127.0.0.1.3503: [udp sum ok] 81*05b00f60SXin Li LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 48 82*05b00f60SXin Li reply-mode: Reply via an IPv4/IPv6 UDP packet (2) 83*05b00f60SXin Li Return Code: No return code or return code contained in the Error Code TLV (0) 84*05b00f60SXin Li Return Subcode: (0) 85*05b00f60SXin Li Sender Handle: 0x00000000, Sequence: 4 86*05b00f60SXin Li Sender Timestamp: 1087208231.000029918 (1934-06-15T10:17:11Z) Receiver Timestamp: no timestamp 87*05b00f60SXin Li Target FEC Stack TLV (1), length: 12 88*05b00f60SXin Li LDP IPv4 prefix subTLV (1), length: 5 89*05b00f60SXin Li 12.1.1.1/32 90*05b00f60SXin Li 0x0000: 0c01 0101 20 91*05b00f60SXin Li 0x0000: 0001 0005 0c01 0101 2000 0000 92*05b00f60SXin Li 11 10:17:11.129418 IP (tos 0xc0, ttl 62, id 50883, offset 0, flags [none], proto UDP (17), length 60) 93*05b00f60SXin Li 10.20.0.1.3503 > 12.4.4.4.4786: [udp sum ok] 94*05b00f60SXin Li LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32 95*05b00f60SXin Li reply-mode: Reply via an IPv4/IPv6 UDP packet (2) 96*05b00f60SXin Li Return Code: Replying router is an egress for the FEC at stack depth 0 (3) 97*05b00f60SXin Li Return Subcode: (0) 98*05b00f60SXin Li Sender Handle: 0x00000000, Sequence: 4 99*05b00f60SXin Li Sender Timestamp: 1087208231.000029918 (1934-06-15T10:17:11Z) Receiver Timestamp: 1087208231.000030237 (1934-06-15T10:17:11Z) 100*05b00f60SXin Li 12 10:17:12.128655 MPLS (label 100688, tc 7, [S], ttl 255) 101*05b00f60SXin Li IP (tos 0x0, ttl 64, id 40733, offset 0, flags [none], proto UDP (17), length 76) 102*05b00f60SXin Li 12.4.4.4.4786 > 127.0.0.1.3503: [udp sum ok] 103*05b00f60SXin Li LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 48 104*05b00f60SXin Li reply-mode: Reply via an IPv4/IPv6 UDP packet (2) 105*05b00f60SXin Li Return Code: No return code or return code contained in the Error Code TLV (0) 106*05b00f60SXin Li Return Subcode: (0) 107*05b00f60SXin Li Sender Handle: 0x00000000, Sequence: 5 108*05b00f60SXin Li Sender Timestamp: 1087208232.000029937 (1934-06-15T10:17:12Z) Receiver Timestamp: no timestamp 109*05b00f60SXin Li Target FEC Stack TLV (1), length: 12 110*05b00f60SXin Li LDP IPv4 prefix subTLV (1), length: 5 111*05b00f60SXin Li 12.1.1.1/32 112*05b00f60SXin Li 0x0000: 0c01 0101 20 113*05b00f60SXin Li 0x0000: 0001 0005 0c01 0101 2000 0000 114*05b00f60SXin Li 13 10:17:12.129573 IP (tos 0xc0, ttl 62, id 50886, offset 0, flags [none], proto UDP (17), length 60) 115*05b00f60SXin Li 10.20.0.1.3503 > 12.4.4.4.4786: [udp sum ok] 116*05b00f60SXin Li LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32 117*05b00f60SXin Li reply-mode: Reply via an IPv4/IPv6 UDP packet (2) 118*05b00f60SXin Li Return Code: Replying router is an egress for the FEC at stack depth 0 (3) 119*05b00f60SXin Li Return Subcode: (0) 120*05b00f60SXin Li Sender Handle: 0x00000000, Sequence: 5 121*05b00f60SXin Li Sender Timestamp: 1087208232.000029937 (1934-06-15T10:17:12Z) Receiver Timestamp: 1087208232.000030273 (1934-06-15T10:17:12Z) 122