bittorrent speed way too low, what possible causes?

[Kam Leo]

On 6/1/07, stan <stanl at cox.net> wrote:
> Hi,
>
> I used torrent to get the F7 live CD and DVD images.  And then let it
> run overnight to seed.  I've tested my system with the online speed
> sites and my upload is ~540 KB/sec.  My service from Cox says 512 -
> 2MB/sec.
>
> Yet bittorrent-curses maxed out at around 70 KB/sec.  I used the
> max_upload_rate = 0 to let it go at the maximum rate.
>
> I tried with the ports open and closed, no difference.
>
> Is there something else that would limit the upload speed from
> bittorrent?
>
> I don't mind running torrents overnight as seeds as nothing
> else is happening anyway.  But at these speeds it hardly seems
> worthwhile.
>

1. Your ISP (Cox) may be throttling P2P traffic. Try using a port not
in the standard 6881-6999 range. Go to Azureus FAQ site for more
details if required.
2. Your bittorrent client or firewall is not configured properly.