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Supported IPv6 Standards

Junos OS substantially supports the following RFCs and Internet drafts, which define standards for IP version 6 (IPv6):

  • RFC 2373, IP Version 6 Addressing Architecture

  • RFC 2375, Multicast Address Assignments

  • RFC 2461, Neighbor Discovery for IP Version 6 (IPv6)

  • RFC 2462, IPv6 Stateless Address Autoconfiguration

  • RFC 2463, Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification

  • RFC 2464, Transmission of IPv6 Packets over Ethernet Networks

  • RFC 2465, Management Information Base for IP Version 6: Textual Conventions and General Group

    IP version 6 (IPv6) and Internet Control Message Protocol version 6 (ICMPv6) statistics are not supported.

  • RFC 2472, IP Version 6 over PPP

  • RFC 2474, Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers

  • RFC 2491, IPv6 Over Non-Broadcast Multiple Access (NBMA) networks

  • RFC 2492, IPv6 over ATM Networks

  • RFC 2526, Reserved IPv6 Subnet Anycast Addresses

  • RFC 2545, Use of BGP-4 Multiprotocol Extensions for IPv6 Inter-Domain Routing

  • RFC 2578, Structure of Management Information Version 2 (SMIv2)

  • RFC 2675, IPv6 Jumbograms

  • RFC 2711, IPv6 Router Alert Option

  • RFC 2767, Dual Stack Hosts using the "Bump-In-the-Stack" Technique (BIS)

  • RFC 2784, Generic Routing Encapsulation

  • RFC 2878, PPP Bridging Control Protocol (BCP)

  • RFC 3306, Unicast-Prefix-based IPv6 Multicast Addresses

  • RFC 3307, Allocation Guidelines for IPv6 Multicast Addresses

  • RFC 3315, Dynamic Host Configuration Protocol for IPv6 (DHCPv6)

    Address assignment is supported with IP version 4 (IPv4) but not IP version 6 (IPv6).

  • RFC 3513, Internet Protocol Version 6 (IPv6) Addressing Architecture

  • RFC 3515, The Session Initiation Protocol (SIP) Refer Method

  • RFC 3590, Source Address Selection for the Multicast Listener D (Supported for SSM include mode only)

  • RFC 3768, Virtual Router Redundancy Protocol (VRRP)

  • RFC 3810, Multicast Listener Discovery Version 2 (MLDv2) for IPv6

  • RFC 3879, Deprecating Site Local Addresses

  • RFC 3971, Secure Neighbor Discovery for IPv6 (No support for certification paths, anchored on trusted parties)

  • RFC 3972, Cryptographically Generated Addresses

  • RFC 4007, IPv6 Scoped Address Architecture

  • RFC 4087, IP Tunnel MIB

  • RFC 4193, Unique Local IPv6 Unicast Addresses

  • RFC 4213, Basic Transition Mechanisms for IPv6 Hosts and Routers

    RFC 4213 supersedes RFC 2893, Transition Mechanisms for IPv6 Hosts and Routers.


    On EX Series switches, except for the EX9200 Series, only dual IP layer is supported. On EX9200 Series switches, both dual IP layer and configured tunneling of IPv6 over IPv4 are supported.

  • RFC 4291, IP Version 6 Addressing Architecture

  • RFC 4292, IP Forwarding Table MIB

  • RFC 4293, Management Information Base for the Internet Protocol (IP)

  • RFC 4294, IPv6 Node Requirements (Partial support)

  • RFC 4443, Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification

  • RFC 4552, Authentication/Confidentiality for OSPFv3

  • RFC 4604, Using Internet Group Management Protocol Version 3 (IGMPv3)

  • RFC 4659, BGP-MPLS IP Virtual Private Network (VPN) Extension for IPv6 VPN

  • RFC 4798, Connecting IPv6 Islands over IPv4 MPLS Using IPv6 Provider Edge Routers (6PE)

    Option 4b (eBGP redistribution of labeled IPv6 routes from AS to neighboring AS) is not supported.

  • RFC 4861 Neighbor Discovery for IP Version 6 (IPv6)

  • RFC 4862, IPv6 Stateless Address Autoconfiguration

  • RFC 4884, Extended ICMP to Support Multi-Part Messages

  • RFC 4890, Recommendations for Filtering ICMPv6 Messages in Firewalls

  • RFC 4942, IPv6 Transition/Coexistence Security Considerations

  • RFC 5072, IP Version 6 over PPP

  • RFC 5095, Deprecation of Type 0 Routing Headers in IPv6

  • RFC 5308, Routing IPv6 with IS-IS

  • RFC 5340, OSPF for IPv6 (RFC 2740 is obsoleted by RFC 5340)

  • RFC 5575, Dissemination of Flow Specification Rules

  • RFC 5798, Virtual Router Redundancy Protocol (VRRP) Version 3 for IPv4 and IPv6

  • RFC 5905, Network Time Protocol Version 4 (for IPv6)

  • RFC 5952, A Recommendation for IPv6 Address Text Representation

  • RFC 6164, Using 127-Bit IPv6 Prefixes on Inter-Router Links

  • RFC 6527, Definitions of Managed Objects for the Virtual Router Redundancy Protocol Version 3 (VRRPv3)

    The following features are not supported:

    • Row creation

    • Set operation

    • vrrpv3StatisticsPacketLengthErrors MIB object

    • vrrpv3StatisticsRowDiscontinuityTime MIB object

  • RFC 6583, Operational Neighbor Discovery Problems

    Only Prioritize NDP Activities, Tuning of the NDP Queue Rate Limit, and Queue Tuning are supported.

  • RFC 6724, Default Address Selection for Internet Protocol version 6 (IPv6)

  • RFC 8200, Internet Protocol, Version 6 (IPv6) Specification

  • RFC 8201, Path MTU Discovery for IP version 6

  • RFC 8335, PROBE: A Utility for Probing Interfaces

  • Internet draft draft-ietf-l3vpn-bgp-ipv6-07.txt, BGP-MPLS IP VPN extension for IPv6 VPN

  • Internet draft draft-ietf-lsr-flex-algo-20.txt, IGP Flexible Algorithm to allow IGPs to compute constraint-based paths over the network.

  • Internet draft draft-ietf-idr-flow-spec-00.txt, Dissemination of flow specification rules

  • Internet draft draft-ietf-softwire-dual-stack-lite-04.txt, Dual-Stack Lite Broadband Deployments Following IPv4 Exhaustion

  • Internet draft draft-kato-bgp-ipv6-link-local-00.txt, BGP4+ Peering Using IPv6 Link-local Address

The following RFCs and Internet draft do not define standards, but provide information about IPv6 and related technologies. The IETF classifies them variously as “Experimental” or “Informational.”

  • RFC 1901, Introduction to Community-based SNMPv2

  • RFC 2767, Dual Stack Hosts using the "Bump-In-the-Stack" Technique (BIS)

  • RFC 3587, IPv6 Global Unicast Address Format

  • Internet draft draft-ietf-ngtrans-bgp-tunnel-04.txt, Connecting IPv6 Islands across IPv4 Clouds with BGP

    Only MP-BGP over IP version 4 (IPv4) approach is supported.