RFC 7602 · PROPOSED STANDARD · 2015
SUN · 14 JUN 2026
IS-IS Extended Sequence Number TLV
Overview
RFC 7602, “IS-IS Extended Sequence Number TLV”, is a Proposed Standard document published in July 2015 by U. Chunduri, W. Lu, A. Tian, N. Shen. The canonical text is published by the RFC Editor.
Abstract
This document defines the Extended Sequence Number TLV to protect Intermediate System to Intermediate System (IS-IS) PDUs from replay attacks.
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 7602 is hosted at rfc-editor.org. Available in TXT,HTML.
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