1MPLS (label 100704, exp 7, [S], ttl 255)
2	IP (tos 0x0, ttl 64, id 40269, offset 0, flags [none], proto UDP (17), length 88)
3    12.4.4.4.4529 > 127.0.0.1.3503:
4	LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 60
5	  reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
6	  Return Code: No return code or return code contained in the Error Code TLV (0)
7	  Return Subcode: (0)
8	  Sender Handle: 0x00000000, Sequence: 1
9	  Sender Timestamp: Receiver Timestamp: no timestamp
10	  Target FEC Stack TLV (1), length: 24
11	    RSVP IPv4 Session Query subTLV (3), length: 20
12	      tunnel end-point 12.1.1.1, tunnel sender 12.4.4.4, lsp-id 0x0010
13	      tunnel-id 0x5372, extended tunnel-id 12.4.4.4
14IP (tos 0xc0, ttl 62, id 50634, offset 0, flags [none], proto UDP (17), length 60)
15    10.20.0.1.3503 > 12.4.4.4.4529:
16	LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32
17	  reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
18	  Return Code: Replying router is an egress for the FEC at stack depth 0 (3)
19	  Return Subcode: (0)
20	  Sender Handle: 0x00000000, Sequence: 1
21	  Sender Timestamp: Receiver Timestamp:
22MPLS (label 100704, exp 7, [S], ttl 255)
23	IP (tos 0x0, ttl 64, id 40271, offset 0, flags [none], proto UDP (17), length 88)
24    12.4.4.4.4529 > 127.0.0.1.3503:
25	LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 60
26	  reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
27	  Return Code: No return code or return code contained in the Error Code TLV (0)
28	  Return Subcode: (0)
29	  Sender Handle: 0x00000000, Sequence: 2
30	  Sender Timestamp: Receiver Timestamp: no timestamp
31	  Target FEC Stack TLV (1), length: 24
32	    RSVP IPv4 Session Query subTLV (3), length: 20
33	      tunnel end-point 12.1.1.1, tunnel sender 12.4.4.4, lsp-id 0x0010
34	      tunnel-id 0x5372, extended tunnel-id 12.4.4.4
35IP (tos 0xc0, ttl 62, id 50635, offset 0, flags [none], proto UDP (17), length 60)
36    10.20.0.1.3503 > 12.4.4.4.4529:
37	LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32
38	  reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
39	  Return Code: Replying router is an egress for the FEC at stack depth 0 (3)
40	  Return Subcode: (0)
41	  Sender Handle: 0x00000000, Sequence: 2
42	  Sender Timestamp: Receiver Timestamp:
43MPLS (label 100704, exp 7, [S], ttl 255)
44	IP (tos 0x0, ttl 64, id 40273, offset 0, flags [none], proto UDP (17), length 88)
45    12.4.4.4.4529 > 127.0.0.1.3503:
46	LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 60
47	  reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
48	  Return Code: No return code or return code contained in the Error Code TLV (0)
49	  Return Subcode: (0)
50	  Sender Handle: 0x00000000, Sequence: 3
51	  Sender Timestamp: Receiver Timestamp: no timestamp
52	  Target FEC Stack TLV (1), length: 24
53	    RSVP IPv4 Session Query subTLV (3), length: 20
54	      tunnel end-point 12.1.1.1, tunnel sender 12.4.4.4, lsp-id 0x0010
55	      tunnel-id 0x5372, extended tunnel-id 12.4.4.4
56IP (tos 0xc0, ttl 62, id 50637, offset 0, flags [none], proto UDP (17), length 60)
57    10.20.0.1.3503 > 12.4.4.4.4529:
58	LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32
59	  reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
60	  Return Code: Replying router is an egress for the FEC at stack depth 0 (3)
61	  Return Subcode: (0)
62	  Sender Handle: 0x00000000, Sequence: 3
63	  Sender Timestamp: Receiver Timestamp:
64MPLS (label 100704, exp 7, [S], ttl 255)
65	IP (tos 0x0, ttl 64, id 40275, offset 0, flags [none], proto UDP (17), length 88)
66    12.4.4.4.4529 > 127.0.0.1.3503:
67	LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 60
68	  reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
69	  Return Code: No return code or return code contained in the Error Code TLV (0)
70	  Return Subcode: (0)
71	  Sender Handle: 0x00000000, Sequence: 4
72	  Sender Timestamp: Receiver Timestamp: no timestamp
73	  Target FEC Stack TLV (1), length: 24
74	    RSVP IPv4 Session Query subTLV (3), length: 20
75	      tunnel end-point 12.1.1.1, tunnel sender 12.4.4.4, lsp-id 0x0010
76	      tunnel-id 0x5372, extended tunnel-id 12.4.4.4
77IP (tos 0xc0, ttl 62, id 50638, offset 0, flags [none], proto UDP (17), length 60)
78    10.20.0.1.3503 > 12.4.4.4.4529:
79	LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32
80	  reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
81	  Return Code: Replying router is an egress for the FEC at stack depth 0 (3)
82	  Return Subcode: (0)
83	  Sender Handle: 0x00000000, Sequence: 4
84	  Sender Timestamp: Receiver Timestamp:
85MPLS (label 100704, exp 7, [S], ttl 255)
86	IP (tos 0x0, ttl 64, id 40278, offset 0, flags [none], proto UDP (17), length 88)
87    12.4.4.4.4529 > 127.0.0.1.3503:
88	LSP-PINGv1, msg-type: MPLS Echo Request (1), length: 60
89	  reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
90	  Return Code: No return code or return code contained in the Error Code TLV (0)
91	  Return Subcode: (0)
92	  Sender Handle: 0x00000000, Sequence: 5
93	  Sender Timestamp: Receiver Timestamp: no timestamp
94	  Target FEC Stack TLV (1), length: 24
95	    RSVP IPv4 Session Query subTLV (3), length: 20
96	      tunnel end-point 12.1.1.1, tunnel sender 12.4.4.4, lsp-id 0x0010
97	      tunnel-id 0x5372, extended tunnel-id 12.4.4.4
98IP (tos 0xc0, ttl 62, id 50641, offset 0, flags [none], proto UDP (17), length 60)
99    10.20.0.1.3503 > 12.4.4.4.4529:
100	LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32
101	  reply-mode: Reply via an IPv4/IPv6 UDP packet (2)
102	  Return Code: Replying router is an egress for the FEC at stack depth 0 (3)
103	  Return Subcode: (0)
104	  Sender Handle: 0x00000000, Sequence: 5
105	  Sender Timestamp: Receiver Timestamp:
106