Current Meeting Report

2.3.1 ADSL MIB (adslmib)

NOTE: This charter is a snapshot of the 53rd IETF Meeting in Minneapolis, MN USA. It may now be out-of-date. Last Modified: 12-Feb-02
Michael Sneed <>
Operations and Management Area Director(s):
Randy Bush <>
Bert Wijnen <>
Operations and Management Area Advisor:
Bert Wijnen <>
Technical Advisor(s):
Randy Presuhn <>
Faye Ly <>
Greg Bathrick <>
Mailing Lists:
In Body: subscribe/signoff XDSLMIB
Archive: index XDSLMIB/get <archivename>
Description of Working Group:
The working group will define a set of managed objects to be used for management of Very high speed Digital Subscriber Line (VDSL) services as defined by T1E1.4/2000-009R2. It is a goal, though not a requirement, that the resultant MIB be published as an extension to the ADSLMIB. The MIB defined by this group will be generated using SMIv2, will be consistent with the SNMP management framework, and will describe the relationship of the objects defined to existing MIBs such as those described by the current ADSLMIB and HDSL2/SHDSL MIB, the interfaces MIB, and the AToM MIB.

The working group will consider the input of the DSL forum and the ITU in the definition of this MIB.

In addition, the group will continue to work on the promotion of the ADSLMIB, the ADSL Extension MIB, and the HDSL2/SHDSL MIB through the IETF standards process.

Goals and Milestones:
Done   Submit Internet-Draft to cover subscriber equipment
Done   Meet at Chicago IETF to review Internet-Drafts
Done   Submit Internet-Draft to IESG for consideration as Proposed Standard.
Done   Meet at Oslo IETF to review new Internet-Drafts and discuss implementation experience on initial MIB
Done   Submit supplementary Internet-Draft to IESG for consideration as Proposed Standard.
Done   Produce Internet-Draft covering HDSL2 management objects.
Done   Submit updated HDSL2/SHDSL Internet-Draft
Done   Complete WG last call for HDSL2/SHDSL management objects
Done   Collect implementation reports for ADSL MIB
Done   Submit HDSL2/SHDSL MIB to IESG for consideration as Proposed Standard
Done   Submit initial Internet-Draft VDSL MIB
Apr 01   Submit Internet-Draft ADSL MIB based on implementations of RFC2662
May 01   Submit ADSL MIB to IESG for consideration as Draft Standard
Aug 01   Complete WG last call on VDSL MIB
Feb 02   Submit updated VDSL MIB Internet-Draft
Apr 02   Submit final VDSL MIB Internet-Draft
Jun 02   Submit VDSL MIB to IESG for consideration as Proposed Standard
Request For Comments:
RFC2662PSDefinitions of Managed Objects for the ADSL Lines

Current Meeting Report

Minutes of ADSLMIB - 53rd IETF Minneapolis
20 March 2002
Minutes recorded by Mike Sneed.

The ADSLMIB Working Group met at 1:00pm on 20 March 2002. The meeting followed the posted agenda.

The meeting began with announcement that the mailing list has been down for about a month. Inovia is no longer able to host the list, and arrangements have been made to have the IETF secretariat take over administration of the list. The last backup of the list itself is a couple of months old, so not all subscribers may be notifiable when the new list is up.

Document status was reviewed. The ADSL Extension MIB is awaiting a final draft. The SHDSL MIB is in the RFC Editor queue.

The appropriate path for the 64 bit Performance History TC document (once known as RFC2493bis), which is needed for the VDSL MIB, was discussed. The possibility of updating RFC2493 with a set of 64 bit counters was rejected because documents which reference it are attempting to advance in the standards track. The consensus was that a second standards track document containing the TCs should be produced within ADSLMIB. It was pointed out that the semantics of the performance counter are not consistent with Counter64. It was noted that this is part of a larger problem with 64 bit objects, and that therefore the document will be flawed. The consensus remained that ADSLMIB should produce a 64 bit TC document for its own use, and which could be used by others who are not deterred by its flaws.

Bob Ray led a discussion of the current VDSL MIB work. Rajesh Abbi will join him as a co-editor of this document. The DSL Forum is currently working on a protocol independentlist of management objects for VDSL. Concern was expressed that there has not been much feedback on the mailing list, and that this may indicate that there is little interest in a standard VDSL MIB or that the DSL Forum and IETF may be proceeding independently. The chair will "liaison" letter to the DSL Forum to solicit input on the list.

It was again asked what percentage of DSL equipment is being managed by SNMP vs CLI and other mechanisms. The consensus was that SNMP is widely used, along with TL1, particularly in flow-through environments.