basic portforwarding steps

COMMON STEPS:

1. get known of your system ip. for which go to RUN,
type CMD to get in to the command mode.
then TYPE IPCONFIG to get known of your system ip.

2. further open your torrent downloader and note down the port number by doing these steps for bit torrent( mostly the same for most torrent downloaders)

a.open bit torrent. select options, in preference select connections.

where uncheck random port and and select a port number above 60000 ( eg 627141)

then un check nat port mapping..

3. then there is a need to edit some setting inside your modem.

open modem settings by typing 192.168.1.1 in your address bar.

browse for a routing table sort of thing where u can enter the system ip and the port no in bit torrent...

let the starting and ending port no be same as in bit torrent..

u can do it for any no of torrent downloader as utorrents too.

once its done u get a green tick at the lower bar below the speed vs time graph if u have that one showing.
if not go to options in bit torrent and click speed guide which has a speed check and gives a ok for port which is forwarded..

NOTE: different modems have diffferent setting

for clear ideas go to
http://www.portforward.com/english/routers/port_forwarding/routerindex.htm

where u can choose your modem model and get clear steps