RFC 2473: Generic Packet Tunneling in IPv6 Specification

This document defines the model and generic mechanisms for IPv6 encapsulation of Internet packets, such as IPv6 and IPv4. [STANDARDS-TRACK]

Read RFC 2473 on the RFC Editor

Outgoing relationships (10 related RFCs)

Informative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Informative reference — RFC 2460: Internet Protocol, Version 6 (IPv6) Specification
Informative reference — RFC 2401: Security Architecture for the Internet Protocol
Informative reference — RFC 2406: IP Encapsulating Security Payload (ESP)
Informative reference — RFC 1700: Assigned Numbers
Informative reference — RFC 2461: Neighbor Discovery for IP Version 6 (IPv6)
Informative reference — RFC 2402: IP Authentication Header
Informative reference — RFC 1981: Path MTU Discovery for IP version 6
Informative reference — RFC 2463: Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification
Informative reference — RFC 1853: IP in IP Tunneling

Incoming relationships (35 related RFCs)

Normatively referenced by — RFC 3775: Mobility Support in IPv6
Normatively referenced by — RFC 5213: Proxy Mobile IPv6
Normatively referenced by — RFC 6275: Mobility Support in IPv6
Normatively referenced by — RFC 8754: IPv6 Segment Routing Header (SRH)
Normatively referenced by — RFC 3963: Network Mobility (NEMO) Basic Support Protocol
Normatively referenced by — RFC 5844: IPv4 Support for Proxy Mobile IPv6
Normatively referenced by — RFC 6554: An IPv6 Routing Header for Source Routes with the Routing Protocol for Low-Power and Lossy Networks (RPL)
Normatively referenced by — RFC 7597: Mapping of Address and Port with Encapsulation (MAP-E)
Normatively referenced by — RFC 5555: Mobile IPv6 Support for Dual Stack Hosts and Routers
Normatively referenced by — RFC 4459: MTU and Fragmentation Issues with In-the-Network Tunneling
Normatively referenced by — RFC 6553: The Routing Protocol for Low-Power and Lossy Networks (RPL) Option for Carrying RPL Information in Data-Plane Datagrams
Normatively referenced by — RFC 7596: Lightweight 4over6: An Extension to the Dual-Stack Lite Architecture
Normatively referenced by — RFC 5845: Generic Routing Encapsulation (GRE) Key Option for Proxy Mobile IPv6
Normatively referenced by — RFC 5979: NSIS Operation over IP Tunnels
Normatively referenced by — RFC 9313: Pros and Cons of IPv6 Transition Technologies for IPv4-as-a-Service (IPv4aaS)
Normatively referenced by — RFC 6788: The Line-Identification Option
Normatively referenced by — RFC 6971: Depth-First Forwarding (DFF) in Unreliable Networks
Normatively referenced by — RFC 8114: Delivery of IPv4 Multicast Services to IPv4 Clients over an IPv6 Multicast Network
Normatively referenced by — RFC 9288: Recommendations on the Filtering of IPv6 Packets Containing IPv6 Extension Headers at Transit Routers
Normatively referenced by — RFC 3919: Remote Network Monitoring (RMON) Protocol Identifiers for IPv6 and Multi Protocol Label Switching (MPLS)
Normatively referenced by — RFC 5747: 4over6 Transit Solution Using IP Encapsulation and MP-BGP Extensions
Informatively referenced by — RFC 4007: IPv6 Scoped Address Architecture
Informatively referenced by — RFC 6092: Recommended Simple Security Capabilities in Customer Premises Equipment (CPE) for Providing Residential IPv6 Internet Service
Informatively referenced by — RFC 8900: IP Fragmentation Considered Fragile
Informatively referenced by — RFC 9008: Using RPI Option Type, Routing Header for Source Routes, and IPv6-in-IPv6 Encapsulation in the RPL Data Plane
Informatively referenced by — RFC 4110: A Framework for Layer 3 Provider-Provisioned Virtual Private Networks (PPVPNs)
Informatively referenced by — RFC 7598: DHCPv6 Options for Configuration of Softwire Address and Port-Mapped Clients
Informatively referenced by — RFC 9181: A Common YANG Data Model for Layer 2 and Layer 3 VPNs
Informatively referenced by — RFC 5757: Multicast Mobility in Mobile IP Version 6 (MIPv6): Problem Statement and Brief Survey
Informatively referenced by — RFC 5975: QSPEC Template for the Quality-of-Service NSIS Signaling Layer Protocol (NSLP)
Informatively referenced by — RFC 9599: Guidelines for Adding Congestion Notification to Protocols that Encapsulate IP
Informatively referenced by — RFC 6908: Deployment Considerations for Dual-Stack Lite
Informatively referenced by — RFC 6252: A Framework of Media-Independent Pre-Authentication (MPA) for Inter-Domain Handover Optimization
Informatively referenced by — RFC 7600: IPv4 Residual Deployment via IPv6 - A Stateless Solution (4rd)
Informatively referenced by — RFC 9837: The IPv6 VPN Service Destination Option