Functional Requirements for Broadband Residential Gateway Devices
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TECHNICAL REPORT TR-124 Functional Requirements for Broadband Residential Gateway Devices Issue: 4 Issue Date: September 2014 © The Broadband Forum. All rights reserved. Functional Requirements for Broadband Residential Gateway Devices TR-124 Issue 4 Notice The Broadband Forum is a non-profit corporation organized to create guidelines for broadband network system development and deployment. This Broadband Forum Technical Report has been approved by members of the Forum. This Broadband Forum Technical Report is not binding on the Broadband Forum, any of its members, or any developer or service provider. This Broadband Forum Technical Report is subject to change, but only with approval of members of the Forum. This Technical Report is copyrighted by the Broadband Forum, and all rights are reserved. Portions of this Technical Report may be copyrighted by Broadband Forum members. THIS SPECIFICATION IS BEING OFFERED WITHOUT ANY WARRANTY WHATSOEVER, AND IN PARTICULAR, ANY WARRANTY OF NONINFRINGEMENT IS EXPRESSLY DISCLAIMED. ANY USE OF THIS SPECIFICATION SHALL BE MADE ENTIRELY AT THE IMPLEMENTER'S OWN RISK, AND NEITHER the Forum, NOR ANY OF ITS MEMBERS OR SUBMITTERS, SHALL HAVE ANY LIABILITY WHATSOEVER TO ANY IMPLEMENTER OR THIRD PARTY FOR ANY DAMAGES OF ANY NATURE WHATSOEVER, DIRECTLY OR INDIRECTLY, ARISING FROM THE USE OF THIS SPECIFICATION. Broadband Forum Technical Reports may be copied, downloaded, stored on a server or otherwise re-distributed in their entirety only, and may not be modified without the advance written permission of the Broadband Forum. The text of this notice must be included in all copies of this Broadband Forum Technical Report. September 2014 © The Broadband Forum. All rights reserved 2 of 141 Functional Requirements for Broadband Residential Gateway Devices TR-124 Issue 4 Issue History Issue Approval Date Publication Issue Editor Changes Number Date 1 December 2006 Jaime Fink, 2Wire Original Jack Manbeck, Texas Instruments 2 May 2012 Barbara Stark, AT&T Added IPv6 Ole Trøan, Cisco functionality. 3 21 August 2012 22 August 2012 Dave Hood, Ericsson Continued evolution. Changes described in Executive Summary 4 8 September 27 October Jean-Didier Ott, Orange Continued evolution. 2014 2014 Yilan Ding, Changes described in Huawei Technologies Executive Summary Comments or questions about this Broadband Forum Technical Report should be directed to [email protected]. Editors Jean-Didier Ott Orange Yilan Ding Huawei Technologies BroadbandHome Jason Walls QA Cafe WG Chairs John Blackford Pace September 2014 © The Broadband Forum. All rights reserved 3 of 141 Functional Requirements for Broadband Residential Gateway Devices TR-124 Issue 4 Table of Contents EXECUTIVE SUMMARY ................................................................................................................ 7 1 PURPOSE AND SCOPE ........................................................................................................... 8 1.1 PURPOSE ................................................................................................................................ 8 1.2 SCOPE .................................................................................................................................... 8 2 REFERENCES AND TERMINOLOGY ................................................................................. 9 2.1 CONVENTIONS ....................................................................................................................... 9 2.2 REFERENCES ....................................................................................................................... 10 2.3 DEFINITIONS ........................................................................................................................ 20 2.4 ABBREVIATIONS .................................................................................................................. 21 3 TECHNICAL REPORT IMPACT ......................................................................................... 25 3.1 ENERGY EFFICIENCY ........................................................................................................... 25 3.2 IPV6 25 3.3 SECURITY ............................................................................................................................ 25 3.4 PRIVACY .............................................................................................................................. 25 4 RESIDENTIAL GATEWAY REQUIREMENTS ................................................................ 26 GENERAL DEVICE REQUIREMENTS .................................................................................................. 26 WIDE AREA NETWORKING (WAN) ................................................................................................. 29 LOCAL AREA NETWORKING (LAN) ................................................................................................ 52 MANAGEMENT & DIAGNOSTICS ...................................................................................................... 74 WAN INTERFACE MODULES ........................................................................................................... 83 LAN INTERFACE MODULES ............................................................................................................ 94 REGIONAL ANNEXES ..................................................................................................................... 110 ANNEX A IPV6 FLOW DIAGRAMS ..................................................................................... 116 A.1 WAN PPPOE AUTOMATED CONNECTION FLOW ............................................................... 116 A.2 WAN IPV6 AUTOMATED CONNECTION FLOW .................................................................. 117 A.3 RECEIVE ROUTER ADVERTISEMENT SUBROUTINE FLOW .................................................. 118 APPENDIX I APPLICATION LEVEL GATEWAY (ALG) AND PORT FORWARDING LIST.............................. ................................................................................................................... 119 APPENDIX II EXAMPLE QUEUING FOR AN RG........................................................... 121 APPENDIX III ROUTED ARCHITECTURE – EXAMPLES OF POTENTIAL CONFIGURATIONS ..................................................................................................................... 123 III.1 INTRODUCTION .................................................................................................................. 123 III.2 BASIC RG AS ROUTER INITIATING ONE OR MORE PPPOE SESSIONS ................................. 123 III.2.1 No WAN Connection ................................................................................................ 124 III.2.2 Router Sets Up PPPoE to an ISP ............................................................................. 125 III.2.3 PC3 Sets Up Its Own PPPoE Session ...................................................................... 126 III.2.4 Router Sets Up a Second PPPoE Session ................................................................ 127 III.3 “RFC 2684 BRIDGED” MODE ............................................................................................ 128 September 2014 © The Broadband Forum. All rights reserved 4 of 141 Functional Requirements for Broadband Residential Gateway Devices TR-124 Issue 4 III.3.1 Router in IP-routed “RFC 2684 Bridged” Mode, Embedded DHCP Server On .... 128 III.3.2 Router in Bridged Mode, Embedded DHCP Server On ........................................... 129 III.3.3 Router in Bridged Mode, Embedded DHCP Server Off ........................................... 130 III.4 SIMULTANEOUS IP AND PPPOE WAN SESSIONS .............................................................. 130 III.4.1 Router in IP-routed “2684 Bridged” Mode, Embedded DHCP Server On ............. 131 III.4.2 Router Sets Up IP as a Second Session .................................................................... 132 III.5 SINGLE PC MODE OF OPERATION ..................................................................................... 133 III.6 ROUTER EMBEDDED DHCP SERVER GIVES OUT PUBLIC IP ADDRESSES (FROM USE OF IPCP EXTENSION) 133 APPENDIX IV BRIDGED ARCHITECTURE – EXAMPLES OF POTENTIAL CONFIGURATIONS ..................................................................................................................... 134 IV.1 INTRODUCTION .................................................................................................................. 134 IV.2 MANAGED BRIDGE ............................................................................................................ 135 IV.2.1 Local Management ................................................................................................... 136 IV.3 UNMANAGED BRIDGE ....................................................................................................... 136 IV.3.1 Local Management ................................................................................................... 136 APPENDIX V SEALING CURRENT REFERENCES ....................................................... 137 APPENDIX VI PRODUCT PROFILE TEMPLATE ............................................................ 138 VI.1 INTRODUCTION .................................................................................................................. 138 VI.2 INSTRUCTIONS FOR COMPLETING A PRODUCT PROFILE TEMPLATE ................................... 138 VI.3 PRODUCT PROFILE