> I was trying to download a large site with more than 2000 
> pages, all in html. I downloaded around 1000 pages 
> successfully at full speed, then I disconnected. When I 
> resume, the download speed is at 0Kb/s or 111Kb/s (I am 
> using dialup).

- Use 3.22 release
- Use "Continue an interrupted mirror" and NOT "Update.."

This should fix the problem.