[AusNOG] Strange ADSL problem - troubleshooting / diagnosis advice wanted

[Jarryd Sullivan]

http://www.cisco.com/c/en/us/td/docs/routers/access/800/software/configuration/guide/SCG800Guide/SCG800_Guide_BookMap_chapter_010.html#con_1219160

Jarryd Sullivan


-----Original Message-----
From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Jeremy Visser
Sent: Wednesday, 10 September 2014 2:59 PM
To: ausnog at lists.ausnog.net
Subject: Re: [AusNOG] Strange ADSL problem - troubleshooting / diagnosis advice wanted

On 10/09/14 14:39, Paul Brooks wrote:
> ADSL2+ is supposed to re-train to a new sync rate seamlessly without
> packet drops, whereas the older ADSL1 had to effectively drop the
> line, re-sync, generate a new bitfield table per tone to cope with
> changes to background noise and cross-talk that caused a need for a
> re-sync.

I thought that was a feature of VDSL2, not ADSL2+.

I'd be interested to see a source on that as happy to be wrong.
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