The max attainable speeds are obtained from one of the early lines in the output of the --stats command:
xdslcmd info --stats
xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 8000
Max: Upstream rate = 1060 Kbps, Downstream rate = 8776 Kbps
Path: 0, Upstream rate = 1020 Kbps, Downstream rate = 7618 Kbps
I guess that the DG834GT doesn't include this information.
The bitswaps CRC data also comes from the --stats command, so if you would be good enough to copy the 'Connection stats' data to me I can see where it goes wrong. Thanks in advance.
[Edit - corrected error]