[AusNOG] ADSL2+ line sync data

[Jeremy Visser]

On 13/09/2013 09:33, Paul Brooks wrote:
> VDSL2 is really just ADSL2+++++. All chipsets I know of will
> gracefully transition from VDSL2 to ADSL2+ or whichever system
> provides the highest capacity, so I doubt anyone will get*worse*
> than they would with ADSL2+. At worst it should fall back to ADSL2+
> mode.

On the other hand, I've had customers who have moved from ADSL1 syncing 
at a full 1536 Kbit/s downstream to ADSL2+ which managed less than 1000 
Kbit/s on their long lines.

Based on that, I would guess there are instances where VDSL2 in turn
performs worse than ADSL2+.