>20 belong 3 (AX.25
>20 belong 4 (ProNET
>20 belong 5 (CHAOS
->20 belong 6 (IEEE 802.x network
+>20 belong 6 (Token Ring
>20 belong 7 (ARCNET
>20 belong 8 (SLIP
>20 belong 9 (PPP
>20 belong 12 (raw IP
>20 belong 13 (BSD/OS SLIP
>20 belong 14 (BSD/OS PPP
+>20 belong 50 (PPP or Cisco HDLC
+>20 belong 100 (RFC 1483 ATM
+>20 belong 101 (raw IP
+>20 belong 102 (BSD/OS SLIP
+>20 belong 103 (BSD/OS PPP
+>20 belong 104 (BSD/OS Cisco HDLC
+>20 belong 105 (Linux Classical IP over ATM
+>20 belong 108 (OpenBSD loopback
+>20 belong 109 (OpenBSD IPSEC encrypted
+>20 belong 113 (Linux "cooked"
>16 belong x \b, capture length %d)
0 ulelong 0xa1b2c3d4 tcpdump capture file (little-endian)
>4 leshort x - version %d
>20 lelong 3 (AX.25
>20 lelong 4 (ProNET
>20 lelong 5 (CHAOS
->20 lelong 6 (IEEE 802.x network
+>20 lelong 6 (Token Ring
>20 lelong 7 (ARCNET
>20 lelong 8 (SLIP
>20 lelong 9 (PPP
>20 lelong 12 (raw IP
>20 lelong 13 (BSD/OS SLIP
>20 lelong 14 (BSD/OS PPP
+>20 lelong 50 (PPP or Cisco HDLC
+>20 lelong 100 (RFC 1483 ATM
+>20 lelong 101 (raw IP
+>20 lelong 102 (BSD/OS SLIP
+>20 lelong 103 (BSD/OS PPP
+>20 lelong 104 (BSD/OS Cisco HDLC
+>20 lelong 105 (Linux Classical IP over ATM
+>20 lelong 108 (OpenBSD loopback
+>20 lelong 109 (OpenBSD IPSEC encrypted
+>20 lelong 113 (Linux "cooked"
>16 lelong x \b, capture length %d)
#
>20 belong 3 (AX.25
>20 belong 4 (ProNET
>20 belong 5 (CHAOS
->20 belong 6 (IEEE 802.x network
+>20 belong 6 (Token Ring
>20 belong 7 (ARCNET
>20 belong 8 (SLIP
>20 belong 9 (PPP
>20 lelong 3 (AX.25
>20 lelong 4 (ProNET
>20 lelong 5 (CHAOS
->20 lelong 6 (IEEE 802.x network
+>20 lelong 6 (Token Ring
>20 lelong 7 (ARCNET
>20 lelong 8 (SLIP
>20 lelong 9 (PPP