扩展头协议号含义相关标准0IPv6 Hop-by-Hop OptionRFC 82001ICMPRFC 7922IGMPRFC 11123GGP (Gateway-to-Gateway)RFC 8234IPv4 encapsulationRFC 20035StreamRFC 1190, RFC 18196TCPRFC 92937CBT-8EGP (Exterior Gateway Protocol)RFC 8889IGP-10BBN RCC Monitoring-11Network Voice ProtocolRFC 74112PUP-13ARGUS (deprecated)-14EMCON-15XNET (Cross Net Debugger)-16CHAOS-17UDPRFC 76818MUX-19DCN-MEAS (DCN Measurement Subsystems)-20HMP (Host Monitoring)RFC 86921PRM (Packet Radio Measurement)-22XNS-IDP-23TRUNK-1-24TRUNK-2-25LEAF-1-26LEAF-2-27RDP (Reliable Data Protocol)RFC 90828IRTP (Internet Reliable Transaction)RFC 93829ISO-TP4 (ISO Transport Protocol Class 4)RFC 90530NETBLT (Bulk Data Transfer Protocol)RFC 96931MFE-NSP (MFE Network Services)-32MERIT-INP (MERIT Internodal Protocol)-33DCCP (Datagram Congestion Control Protocol)RFC 4340343PC (Third Party Connect Protocol)-35IDPR (Inter-Domain Policy Routing Protocol)-36XTP-37DDP (Datagram Delivery Protocol)-38IDPR-CMTP (IDPR Control Message Transport Protocol)-39TP++ Transport Protocol-40IL Transport Protocol-41IPv6 encapsulationRFC 247342SDRP (Source Demand Routing Protocol)-43Routing Header for IPv6RFC 246044Fragment Header for IPv6RFC 246045IDRP (Inter-Domain Routing Protocol)RFC 2205, RFC 320946RSVP (Reservation Protocol)RFC 2205, RFC 320947GRE (Generic Routing Encapsulation)RFC 278448DSR (Dynamic Source Routing Protocol)RFC 472849BNA-50ESP (Encap Security Payload)RFC430351AH (Authentication Header)RFC430252I-NLSP (Integrated Net Layer Security TUBA)-53SWIPE (deprecated) (IP with Encryption)-54NARP (NBMA Address Resolution Protocol)RFC 173555IP Mobility Transport Layer Security-56TLSP (Protocol using Kryptonet key management)-57SKIP-58ICMP for IPv6RFC 820059No Next Header for IPv6RFC 820060Destination Options for IPv6RFC 820061Destination Options for IPv6 any host internal protocolRFC 820062CFTP-63any local network-64SAT-EXPAK (SATNET and Backroom EXPAK)-65Kryptolan-66RVD (MIT Remote Virtual Disk Protocol)-67IPPC (Internet Pluribus Packet Core)-68any distributed file system-69SAT-MON (SATNET Monitoring)-70VISA (VISA Protocol)-71IPCV (Internet Packet Core Utility)-72CPNX (Computer Protocol Network Executive)-73CPHB (Computer Protocol Heart Beat)-74WSN (Wang Span Network)-75PVP (Packet Video Protocol)-76BR-SAT-MON (Backroom SATNET Monitoring)-77SUN-ND (SUN ND PROTOCOL-Temporary)-78WB-MON (WIDEBAND Monitoring)-79WB-EXPAK (WIDEBAND EXPAK)-80ISO-IP (ISO Internet Protocol)-81VMTP-82SECURE-VMTP-83VINES-84TTP (Transaction Transport Protocol)-84IPTM (Internet Protocol Traffic Manager)-85NSFNET-IGP-86DGP (Dissimilar Gateway Protocol)-87TCF-88EIGRPRFC 786889OSPFIGPRFC 1583, RFC 2328, RFC 534090Sprite RPC Protocol-91LARP (Locus Address Resolution Protocol)-92MTP (ulticast Transport Protocol)-93AX.25 Frames-94IP-within-IP Encapsulation Protocol-95MICP (deprecated) (Mobile Internetworking Control Protocol)-96SCC-SPRFC 337897ETHERIP (Ethernet-within-IP Encapsulation)-98ENCAP (Encapsulation Header)-99any private encryption scheme-100GMTP-101IFMP (Ipsilon Flow Management Protocol)-102PNNI over IP-103PIM (Protocol Independent Multicast)RFC 7761104ARIS-105SCPS-106QNX-107Active Networks-108IPComp (IP Payload Compression Protocol)RFC 2393109SNP (Sitara Networks Protocol)-110Compaq Peer Protocol-111IPX in IP-112VRRP (Virtual Router Redundancy Protocol)-113PGM (PGM Reliable Transport Protocol)-114any 0-hop protocol-115L2TP (Layer Two Tunneling Protocol)-116DDX (D-II Data Exchange)-117IATP (Interactive Agent Transfer Protocol)-118STP (Schedule Transfer Protocol)-119SRP (SpectraLink Radio Protocol)-120UTI-121SMP (Simple Message Protocol)-122SM (deprecated) (Simple Multicast Protocol)-123PTP (Performance Transparency Protocol)-124ISIS over IPv4-125FIRE-126CRTP (Combat Radio Transport Protocol)-127CRUDP (Combat Radio User Datagram)-128SSCOPMCE-129IPLT-130SPS (Secure Packet Shield)-131PIPE (Private IP Encapsulation within IP)-132Fibre Channel-133RSVP-E2E-IGNORERFC 3175134Mobility HeaderRFC 6275135Mobility HeaderRFC 6275136UDPLiteRFC 3828137MPLS-in-IPRFC 4023138MANET ProtocolsRFC 5498139Host Identity ProtocolRFC 7401140Shim6 ProtocolRFC 5533141WESP (Wrapped Encapsulating Security Payload)RFC 5840142ROHC (Robust Header Compression)RFC 5858143-252Unassigned-253Use for experimentation and testingRFC 3692254Use for experimentation and testingRFC 3692255Reserved-