I remember when we moved house a few months ago and TT activated our line, we started off on a 15dB profile and over the following days it worked its way up to 6dB. I have been thinking about asking them to put us on fastpath rather than interleaved but not sure if it will have much benefit as we don't really do any online gaming here. Not sure if it affects throughput on a good line, I haven't been able to find much information on that. With fastpath, DLM is disabled. DLM could be good if the line develops problems, so that at least we have some sort of service and stability. That's DLM isn't too aggressive in my experience. It needs 50 hours of data (uninterrupted connection uptime) to start working to lower your SNR, so just leave your router on constantly and it may even lower itself before the forum staff act on your thread. If you have a low error rate and stable SNR of course.