In reply to a post by wolvesmad:

Just curious as to why the attainable rate of the connection before the DLM reset had dropped by 10mbps.

It's gone from 66-68mbps to 56mbps and interleaving has been turned on.

Attainable rates are, frankly, unreliable.

Get a baseline post-DLM reset then see where we are. Ignore what happened in the past, it's the past.

G.INP was activated in the early hours and I'm up to 67/20 now.

My BRAS is still 52.35mb though. Will this catch up eventually?

Ideally, if the router lets you bounce the PPPoE session (without disconnecting or rebooting the router itself), the BRAS ought to pick up the new profile.

Otherwise: leave it a day or two, switch off the router, and leave it switched off for at least 15 minutes before powering it up again. That apparently is enough for DLM to treat this as a power outage instead of a line instability issue.