A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Carrying Attached Addresses in IS-IS
Author(s) : D. Ward, et al.
Filename : draft-ward-l2isis-04.txt
Pages : 14
Date : 2008-11-03
This draft specifies the IS-IS extensions necessary to support multi-
link IPv4 and IPv6 networks, as well as to provide true link state
routing to any protocols running directly over layer 2. While
supporting this concept involves several pieces, this document only
describes extensions to IS-IS. We leave it to the systems using
these IS-IS extensions to explain how the information carried in
IS-IS is used.1. Overview
There are a number of systems (for example, [RBRIDGES]) which have
proposed using layer 2 addresses carried in a link state routing
protocol, specifically IS-IS [IS-IS] [RFC1195], to provide true layer
2 routing in specific environments. This draft proposes a set of
TLVs and sub-TLVs to be added to [IS-IS] level 1 PDUs, and three new
PDU types, to support these proposed systems.
This draft does not propose new forwarding mechanisms using this
additional information carried within IS-IS. There is a short
section included on two possible ways to build a shortest path first
tree including this information, to illustrate how this information
might be used.
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