2.4.1 ADSL MIB (adslmib)

NOTE: This charter is a snapshot of the 45th IETF Meeting in Oslo, Norway. It may now be out-of-date. Last Modified: 11-Jun-99


Michael Sneed <mike.sneed@pulse.com>
David Allan <dallan@nortelnetworks.com>

Operations and Management Area Director(s):

Randy Bush <randy@psg.com>
Bert Wijnen <wijnen@vnet.ibm.com>

Operations and Management Area Advisor:

Bert Wijnen <wijnen@vnet.ibm.com>

Technical Advisor(s):

Kaj Tesink <kaj@cc.bellcore.com>


Greg Bathrick <bathricg@agcs.com>

Mailing Lists:

General Discussion:adsl@xlist.agcs.com
To Subscribe: mgr@xlist.agcs.com
In Body: subscribe/unsubscribe adsl
Archive: www.agcs.com/adsl/

Description of Working Group:

The ADSL Working Group is chartered to define a set of managed objects to be used for management of Asymmetric Digital Subscriber Line services as defined by ANSI T1.413. The initial effort will define those management objects common to all ADSL lines regardless of line-code.

In the second phase of its work the group will accomplish the following work items:

1) define a supplementary set of managed objects which provide additional functions as defined by ITU G.997.1. This supplemental MIB will include objects for the management of ADSL "Lite" as defined by ITU-T G.992.2 and full rate ADSL as defined by G.992.1. 2) the group will continue to support promotion of the initial document through the standards process by collecting data on implementation and interoperability experience. 3) define a set of managed objects to enable automated provisioning and management of ADSL CPE.

The devices to be managed using these managed objects will include:

1) Access provider equipment containing ATU-C modems, such as DSLAMs, and

2) Subscriber equipment containing ATU-R modems such as routers, NIC cards, and standalone modem devices.

The MIBs 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 RFC2233, and RFC2515. The working group will consider the input of the ADSL forum and the ITU.

Goals and Milestones:



Submit Internet-Draft to cover subscriber equipment



Meet at Chicago IETF to review Internet-Drafts



Submit Internet-Draft to IESG for consideration as Proposed Standard.

Jul 99


Meet at Oslo IETF to review new Internet-Drafts and discuss implementation experience on initial MIB

Sep 99


Submit supplementary Internet-Draft to IESG for consideration as Proposed Standard.

Sep 99


Submit CPE provisioning and management draft

Dec 99


Submit CPE provisioning and management draft to IESG for consideration as Proposed Standard.


No Request For Comments

Current Meeting Report

ADSL MIB Minutes
Oslo 1999

Chair: Mike Sneed Mike.Sneed@Pulse.com
Co-chair/minute taker: Dave Allan dallan@nortelnetworks.com
Meeting convened at 3:30 p.m. Monday July 12th

MIB Report/Mike Sneed:

Current I-D is now to proposed standard and in the RFC editors queue.
Action: Gigi Kharmous-Edwards to e-mail Bert Wijnen on accelerating the RFC to align with an ADSL forum vote (WT-037v2).

Supplemental objects MIB/Faye Ly

- ATU-C transmission capability
- Fast retrain parameters
- Errored seconds count plus fast retrain count
- Line mode
- Configuration of trap thresholds for new counters

- Clarify block definition/CLOSED: ITU adopted our definition
- Clarify low power state rate
- Bits type variable for line status
- Don't want to revise the object in the proposed MIB
- Recommendation (to the list) define a disjoint set of bits and document why they must be disjoint
- Transmission mode type
- Enum or BITs to be taken to the mailing list
- Not clear if negotiable or explicitly configured at the ATU-C
- Unavailable seconds vs. fast retrain seconds and fast retrain failed seconds
- Don't want traps kicked off by normal phone usage
- Power management, config or policy required
- Curr 15 sec description, current power state is required on ATU-C
- G.HS (G.994.1)
- Mode is negotiable (light, heavy or dual mode)
- Dual is the problem, requires two service profiles (interleaver depth etc.)
- Suggestion, supplemental MIB includes a lite profile.
- Issue: when negotiating, who wins
- ADSLF Liaison
- Add ATU-C and ATU-R low power rates
- ITU needs the value defined, and a clarification is solicited

Implementation experience
- want to deprecate unused stuff in the MIB
- known implementers are Coppercom and Pulsecom (others to be found)
- cannot currently support ATU-R side
- not designed for VoDSL

CPE-Mgmt Draft
- Randy Turner was a no-show, not presented

Meeting adjourned early.


Line Supplemental MIB