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IS-IS Reachability with critical Sub-TLVs

Document Type Expired Internet-Draft (individual)
Expired & archived
Author David Lamparter
Last updated 2015-04-23 (Latest revision 2014-10-20)
RFC stream (None)
Intended RFC status (None)
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


While previously existing TLVs for IP Reachability extensibly support Sub-TLVs, these cannot be marked as critical. This is required for extending router behaviour with additional qualifiers on routes, hence this document introduces new Reachability TLVs that support critical Sub-TLVs.


David Lamparter

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)