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 | Protocol Types | |
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 | Protocol Number in Firewall Filters | ||
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 | Reference | |
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 | Number | Keyword | Protocol | ||
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 | 87 | TCF | TCF | [GAL5] | 
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 | 88 | EIGRP | EIGRP | [CISCO, GXS] | 
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 | 89 | OSPFIGP | OSPFIGP | [RFC1583, JTM4] | 
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 | 90 | Sprite RPC Protocol | [SPRITE, BXW] | 
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 | 91 | LARP | Locus Address Resolution Protocol | [BXH] | 
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 | 92 | MTP | Multicast Transport Protocol | [SXA] | 
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 | 93 | AX.25 | AZ.25 Frames | [BK29] | 
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 | 94 | IPIP | [JI6] | 
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 | 95 | MICP | Mobile Internetworking Control Pro | [JI6] | 
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 | 96 | Semaphore Communications Sec. Pro. | [HXH] | 
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 | 97 | ETHERIP | [RFC3378] | 
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 | 98 | ENCAP | Encapsulation Header | [FRC1241, RXB3] | 
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 | 99 | 
 | any private encryption scheme | [IANA] | 
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 | 100 | GMTP | GMTP | [RXB5] | 
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 | 101 | IFMP | Ipsilon Flow Management Protocol | [Hinden] | 
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 | 102 | PNNI | PNNI over IP | [Callon] | 
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 | 103 | PIM | Protocol Independent Multicast | [Farinacci] | 
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 | 104 | ARIS | ARIS | [Feldman] | 
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 | 105 | SCPS | SCPS | [Durst] | 
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 | 106 | QNX | QNX | [Hunter] | 
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 | 107 | A/N | Active Networks | [Braden] | 
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 | 108 | IPComp | IP Payload Compression Protocol | [RFC2393] | 
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 | 109 | SNP | Sitara Networks Protocol | [Sridhar] | 
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 | 110 | Compaq Peer Protocol | [Volpe] | 
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 | 111 | IPX in IP | [Lee] | 
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 | 112 | VRRP | Virtual Router Redundancy Protocol | [Hinden] | 
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 | 113 | PGM | PBM Reliable Transport Protocol | [Speakman] | 
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 | 114 | 
 | any  | [IANA] | 
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 | 115 | L2TP | Layer Two Tunneling Protocol | [Aboba] | 
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 | 116 | DDX | [Worley] | 
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 | 117 | IATP | Interactive Agent Transfer Protocol | [Murphy] | 
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 | 118 | STP | Schedule Transfer Protocol | [JMP] | 
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| CMG Router - Release 2.7 | 
