it is more or less same for every modem i guess.
Setting up Port Forwarding
1-> Configure your torrent client to listen to a particular port. In utorrent u can enter this value in Options menu-> preferences->network-> port used for incoming connnection. Any value between 50000-60000 is recommended.
2->- From DOS prompt, type ipconfig. Note the IP address that you get.
3-> Now, go to 192.168.1.1/main.html
4-> Click on Advanced Setup
Then browse for the NAT option. You reach NAT --> Virtual Servers Setup.
5-> This is where we setup port forwarding. Click on "Add"
- In this window, select "Custom Server" & enter the name of the app for which you are setting port forwarding(in this case utorrent).
6-> In "Server IP Address:" Enter the IP address you noted earlier
- Below, enter the port no. you selected in step 1(fill it in "External Port Start" & "External Port End")
7-> In protocol select TCP/UDP (we require both).
8-> Click Save/Apply and the modem will reboot.
9-> To check whether the port has been forwarded properly or not go this site
https://www.grc.com/x/ne.dll?bh0bkyd2