Supported Standards for IS-IS

Junos OS substantially supports the following standards for IS-IS.

• International Organization for Standardization/International Electrotechnical Commission (ISO/IEC) 8473, Information technology — Protocol for providing the connectionless-mode network service

• ISO 9542, End System to Intermediate System Routing Exchange Protocol for Use in Conjunction with the Protocol for the Provision of the Connectionless-mode Network Service

• ISO/IEC 10589, Information technology — Telecommunications and information exchange between systems — Intermediate System to Intermediate System intra-domain routeing information exchange protocol for use in conjunction with the protocol for providing the connectionless-mode network service (ISO 8473)

• RFC 1195, Use of OSI IS-IS for Routing in TCP/IP and Dual Environments

• RFC 5120, M-ISIS: Multi Topology (MT) Routing in Intermediate System to Intermediate Systems (IS-ISs)

• RFC 5130, A Policy Control Mechanism in IS-IS Using Administrative Tags

• RFC 5286, Basic Specification for IP Fast Reroute: Loop-Free Alternates

• RFC 5301, Dynamic Hostname Exchange Mechanism for IS-IS

• RFC 5302, Domain-Wide Prefix Distribution with Two-Level IS-IS

• RFC 5303, Three-Way Handshake for IS-IS Point-to-Point Adjacencies

• RFC 5304, IS-IS Cryptographic Authentication

• RFC 5305, IS-IS Extensions for Traffic Engineering

• RFC 5306, Restart Signaling for IS-IS

• RFC 5307, IS-IS Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS)

• RFC 5308, Routing IPv6 with IS-IS

• RFC 5310, IS-IS Generic Cryptographic Authentication

• RFC 5880, Bidirectional Forwarding Detection (BFD)

• RFC 6119, IPv6 Traffic Engineering in IS-IS

• RFC 6232, Purge Originator Identification TLV for IS-IS

• RFC 6233, IS-IS Registry Extension for Purges

• RFC 7775, IS-IS Route Preference for Extended IP and IPv6 Reachability

• RFC 7794, IS-IS Prefix Attributes for Extended IPv4 and IPv6 Reachability

• RFC 7981, IS-IS Extensions for Advertising Router Information

• RFC 8202, IS-IS Multi-Instance

• RFC 8518, Selection of Loop-Free Alternates for Multi-Homed Prefixes

• RFC 8570, IS-IS Traffic Engineering (TE) Metric Extensions

• RFC 8667, IS-IS Extensions for Segment Routing

• RFC 8706, Restart Signaling for IS-IS

• RFC 8919, IS-IS Application-Specific Link Attributes

• RFC 9350 IGP Flexible Algorithm (Partial support)

• RFC 9352, IS-IS Extensions to Support Segment Routing over the IPv6 Data Plane

The following RFCs do not define standards, but provide information about IS-IS and related technologies. The IETF classifies them as “Informational.”

• RFC 2104, HMAC: Keyed-Hashing for Message Authentication

• RFC 2973, IS-IS Mesh Groups

• RFC 3277, Intermediate System to Intermediate System (IS-IS) Transient Blackhole Avoidance

• RFC 3358, Optional Checksums in Intermediate System to Intermediate System (ISIS)

• RFC 3359, Reserved Type, Length and Value (TLV) Codepoints in Intermediate System to Intermediate System

• RFC 3373, Three-Way Handshake for Intermediate System to Intermediate System (IS-IS) Point-to-Point Adjacencies

• RFC 3567, Intermediate System to Intermediate System (IS-IS) Cryptographic Authentication

• RFC 3719, Recommendations for Interoperable Networks using Intermediate System to Intermediate System (IS-IS)

• RFC 3787, Recommendations for Interoperable IP Networks using Intermediate System to Intermediate System (IS-IS)

• RFC 3847, Restart Signaling for Intermediate System to Intermediate System (IS-IS)

• RFC 5309, Point-to-Point Operation over LAN in Link State Routing Protocols

• RFC 6151, updated Security Considerations for the MD5 Message-Digest and the HMAC-MD5 Algorithms

• Internet draft draft-ietf-isis-wg-255adj-02.txt, Maintaining more than 255 circuits in IS-IS

• Internet draft draft-przygienda-flood-reflector-00, Flood Reflectors

• Internet draft draft-przygienda-lsr-flood-reflection-01, IS-IS Flood Reflection