tcpdump на сессию:
00:44:35.494128 miker.2841 > s2.8767: udp 180
00:44:35.495104 s2.8767 > miker.2841: udp 436 (DF) [tos 0x8]
00:44:35.540780 miker.2841 > s2.8767: udp 120
00:44:35.541261 s2.8767 > miker.2841: udp 16 (DF) [tos 0x8]
00:44:36.015033 s2.8767 > miker.2841: udp 142 (DF) [tos 0x8]
00:44:36.015192 s2.8767 > miker.2841: udp 468 (DF) [tos 0x8]
00:44:36.016945 miker.2841 > s2.8767: udp 16
00:44:36.017055 miker.2841 > s2.8767: udp 16
00:44:36.515052 s2.8767 > miker.2841: udp 280 (DF) [tos 0x8]
00:44:36.516219 miker.2841 > s2.8767: udp 16
00:44:39.753297 miker.2841 > s2.8767: udp 24
00:44:39.753757 s2.8767 > miker.2841: udp 16 (DF) [tos 0x8]
00:44:39.754085 s2.8767 > miker.2841: udp 64 (DF) [tos 0x8]
00:44:39.754794 miker.2841 > s2.8767: udp 16