# $FreeBSD: head/release/picobsd/mfs_tree/etc/protocols 93110 2002-03-24 21:13:53Z luigi $ # Internet (IP) protocols ip 0 IP # internet protocol, pseudo protocol number icmp 1 ICMP # internet control message protocol igmp 2 IGMP # Internet Group Management tcp 6 TCP # transmission control protocol udp 17 UDP # user datagram protocol ipv6 41 IPV6 # ipv6 gre 47 GRE # Generic Routing Encapsulation ah 51 AH # authentication header ospf 89 OSPFIGP # Open Shortest Path First IGP pim 103 PIM # Protocol Independent Multicast vrrp 112 VRRP # Virtual Router Redundancy Protocol pgm 113 PGM # PGM