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Sephiroth · 11-09-2011, 23:25

From Brady Volpe:

3. MAC Domain Descriptor (MDD)MDD messages are periodically transmitted on all Downstream Channel(s) of DOCSIS 3.0 CMTSs. The MDD message contains the Downstream Channel ID of the Primary Downstream Channel for the CMTS sending the MDD message. The value of the MDD occurs when a cable modem locks onto a non-primary capable downstream channel, the cable modem will read the MDD and know immediately where to tune to in order to lock on to the Primary Downstream Channel. The MDD can also be used for load balancing cable modems in a DOCSIS 3.0 network. The MDD also contains additional information for the cable modem, such as available downstream channels, available upstream channels, upstream frequency range and more.

That's why I asked if there was a modem reset involved. You do have a downstream problem too, it seems.

11-09-2011, 23:25	#41
Sephiroth Wisdom & truth Join Date: Jul 2009 Location: RG41 Services: RG41: 1Gig VOLT Rutland: Gigaclear 400/400 Posts: 12,833	Re: Downstream channels From Brady Volpe: 3. MAC Domain Descriptor (MDD)MDD messages are periodically transmitted on all Downstream Channel(s) of DOCSIS 3.0 CMTSs. The MDD message contains the Downstream Channel ID of the Primary Downstream Channel for the CMTS sending the MDD message. The value of the MDD occurs when a cable modem locks onto a non-primary capable downstream channel, the cable modem will read the MDD and know immediately where to tune to in order to lock on to the Primary Downstream Channel. The MDD can also be used for load balancing cable modems in a DOCSIS 3.0 network. The MDD also contains additional information for the cable modem, such as available downstream channels, available upstream channels, upstream frequency range and more. That's why I asked if there was a modem reset involved. You do have a downstream problem too, it seems. __________________ *Seph.* My advice is at your risk.