RFC 5311 · PROPOSED STANDARD · 2009
WED · 29 JUL 2026
Simplified Extension of Link State PDU Space for IS-IS
Overview
RFC 5311, “Simplified Extension of Link State PDU Space for IS-IS”, is a Proposed Standard document published in February 2009 by D. McPherson, L. Ginsberg, S. Previdi, M. Shand. It obsoletes RFC 3786. The canonical text is published by the RFC Editor.
Abstract
This document describes a simplified method for extending the Link State PDU (LSP) space beyond the 256 LSP limit. This method is intended as a preferred replacement for the method defined in RFC 3786. [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 5311 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2009
- RFC 5310 IS-IS Generic Cryptographic Authentication
- RFC 5317 Joint Working Team Report on MPLS Architectural Considerations for a Transport Profile
- RFC 5333 IANA Registration of Enumservices for Internet Calendaring
- RFC 5392 OSPF Extensions in Support of Inter-Autonomous System MPLS and GMPLS Traffic Engineering
- RFC 5403 RPCSEC_GSS Version 2
- RFC 5404 RTP Payload Format for G.719
- RFC 5406 Guidelines for Specifying the Use of IPsec Version 2
- RFC 5408 Identity-Based Encryption Architecture and Supporting Data Structures