draft-ietf-mpls-multicast-encaps-05.txt   draft-ietf-mpls-multicast-encaps-06.txt 
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Network Working Group Toerless Eckert Network Working Group Toerless Eckert
Internet Draft Eric C. Rosen (editor) Internet Draft Eric C. Rosen (editor)
Expiration Date: December 2007 Cisco Systems, Inc. Expiration Date: December 2007 Cisco Systems, Inc.
Updates RFCs 3032 and 4023 Updates RFCs 3032 and 4023
Rahul Aggarwal Rahul Aggarwal
Yakov Rekhter Yakov Rekhter
Juniper Networks, Inc. Juniper Networks, Inc.
MPLS Multicast Encapsulations MPLS Multicast Encapsulations
draft-ietf-mpls-multicast-encaps-05.txt draft-ietf-mpls-multicast-encaps-06.txt
Status of this Memo Status of this Memo
By submitting this Internet-Draft, each author represents that any By submitting this Internet-Draft, each author represents that any
applicable patent or other IPR claims of which he or she is aware applicable patent or other IPR claims of which he or she is aware
have been or will be disclosed, and any of which he or she becomes have been or will be disclosed, and any of which he or she becomes
aware will be disclosed, in accordance with Section 6 of BCP 79. aware will be disclosed, in accordance with Section 6 of BCP 79.
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 other Task Force (IETF), its areas, and its working groups. Note that other
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determined by looking up the top label, rather than by the codepoint. determined by looking up the top label, rather than by the codepoint.
RFC 3032 does not specify the destination address to be placed in the RFC 3032 does not specify the destination address to be placed in the
"MAC DA" field of an ethernet frame which carries an MPLS multicast "MAC DA" field of an ethernet frame which carries an MPLS multicast
packet. This document provides that specification. packet. This document provides that specification.
This document updates RFC 3032 and RFC 4023. This document updates RFC 3032 and RFC 4023.
Contents Contents
1 Specification of Requirements ........................... 2
2 Introduction ............................................ 3
3 Upstream-Assigned vs. Downstream-Assigned ............... 4
4 Ethernet Codepoints ..................................... 6
5 PPP Protocol Field ...................................... 6
6 GRE Protocol Type ....................................... 6
7 IP Protocol Number ...................................... 7
8 Ethernet MAC DA for Multicast MPLS ...................... 7
9 IANA Considerations ..................................... 8
10 Security Considerations ................................. 8
11 Normative References .................................... 8
12 Informative References .................................. 9
13 Authors' Addresses ...................................... 9
14 Full Copyright Statement ................................ 10
15 Intellectual Property ................................... 10
1. Specification of Requirements 1. Specification of Requirements
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in [RFC2119]. document are to be interpreted as described in [RFC2119].
2. Introduction 2. Introduction
RFC 3031 [RFC3031] defines the "Next Hop Label Forwarding Entry" RFC 3031 [RFC3031] defines the "Next Hop Label Forwarding Entry"
(NHLFE). The NHLFE for a particular label maps the label into a next (NHLFE). The NHLFE for a particular label maps the label into a next
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