< draft-ietf-isis-admin-tags-00.txt		draft-ietf-isis-admin-tags-01.txt >
	Network Working Group Christian Martin		Network Working Group Christian Martin
	INTERNET DRAFT Verizon Internet Services		INTERNET DRAFT Verizon Internet Services
	Expiration Date: January 2003 Brad Neal		Expiration Date: January 2003 Brad Neal
	Broadwing Communications		Broadwing Communications
	Stefano Previdi		Stefano Previdi
	August 2002 Cisco Systems		August 2002 Cisco Systems
	A Policy Control Mechanism is IS-IS Using Administrative Tags		A Policy Control Mechanism in IS-IS Using Administrative Tags
	<draft-ietf-isis-admin-tags-00.txt>		<draft-ietf-isis-admin-tags-01.txt>
	1. Status of this Memo		1. Status of this Memo
	This document is an Internet-Draft and is in full conformance with		This document is an Internet-Draft and is in full conformance with
	all provisions of Section 10 of RFC 2026.		all provisions of Section 10 of RFC 2026.
	Internet-Drafts are working documents of the Internet Engineering		Internet-Drafts are working documents of the Internet Engineering
	Task Force (IETF), its areas, and its working groups. Note that		Task Force (IETF), its areas, and its working groups. Note that
	other groups may also distribute working documents as Internet-		other groups may also distribute working documents as Internet-
	Drafts.		Drafts.
	skipping to change at page 4, line 40 ¶		skipping to change at page 4, line 40 ¶
	Consider the network in figure 1. We wish to "leak" L1 prefixes [5]		Consider the network in figure 1. We wish to "leak" L1 prefixes [5]
	with some property, A, from L2 to the L1 router R1. Without policy-		with some property, A, from L2 to the L1 router R1. Without policy-
	groups, there is no way for R2 to know property A prefixes from		groups, there is no way for R2 to know property A prefixes from
	property B prefixes.		property B prefixes.
	R2--------R3--------R4		R2--------R3--------R4
	L2 / \		L2 / \
	- - - /- - - - - - - - - - - - - -		- - - /- - - - - - - - - - - - - -
	L1 / \		L1 / \
	R5----1.1.1.0/24 (A) R5		R1----1.1.1.0/24 (A) R5
	|		|
	|		|
	1.1.2.0/24 (B)		1.1.2.0/24 (B)
	Figure 1		Figure 1
	We associate Administrative Tag 100 with property A, and have R5		We associate Administrative Tag 100 with property A, and have R5
	attach that value to the IP extended reachability information TLV for		attach that value to the IP extended reachability information TLV for
	prefix 1.1.1.0/24. R2 has a policy in place to "match prefixes with		prefix 1.1.1.0/24. R2 has a policy in place to "match prefixes with
	Administrative Tag 100, and leak to L1."		Administrative Tag 100, and leak to L1."
End of changes. 2 change blocks.
	3 lines changed or deleted		3 lines changed or added
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