Thread: Port Forwarding

Hey Guys

I did port forwarding for my router (UT300R2U).I went to the NAT-DMZ and did everything correctly & it is working.The problem I have is that because of this my internet gets disconnected automatically every 15-20 mins.When disable that port forwarding through NAT-DMZ,my network works fine. PLS HELP ME GUYS.

Please post your line statistics as displayed in the modem in here..

where do i post my line statistics?

Yaar in the forum.

Or u can take a screen shot of the same, upload it to TinyPic - Free Image Hosting, Photo Sharing & Video Hosting and post the image URL in here.

Device Info

Board ID: 96338L-2M-8M
Software Version: 3.08.BSNL_02.01.02_tr64.
Bootloader (CFE) Version: 1.0.37-8.7
Firmware Version: UT300R2U.0011.01
Hardware Version: UT300R2U 2.2
Model Name: UT300R2U

This information reflects the current status of your DSL connection.

Line Rate - Upstream (Kbps): 764
Line Rate - Downstream (Kbps): 7996
LAN IP Address: 192.168.1.1
Default Gateway: 117.193.128.1
Primary DNS Server: 218.248.255.146
Secondary DNS Server: 218.248.255.139

Which is the current ADSL modulation? Is it G.DMT? if not, please set it to G.DMT.

Hey man wat's G.DMT?

Common dude.Pls Help Me
I am still an Amature in Networking

ADSL works on different modulation techniques or signalling schemes. G.DMT is commonly employed by BSNL, MTNL. Hence i had mentioned to change the modulation to G.DMT.

ITU G.992.1 - Wikipedia, the free encyclopedia for your reading pleasure

http://i19.tinypic.com/6kqygzt.jpg
Keep GDMT Glite 413 bitswap enabled.
Rest uncheck.
If you loose connectivity add one by one.

Para two : In Statistics ADSL
at the top Mod mode is shown.
If it is GDMT /interleaved etc confirm.
sample pages:
http://i5.tinypic.com/6pjjhpz.jpg
http://i21.tinypic.com/2njdq49.jpg
http://i28.tinypic.com/4h4hfs.png
Also check under Maintenance
TR_069 client is disabled. ( Not useful for BSNL)

its strange.. i dont think it has anything to do with SNR or his line.. because it works well when NAT-DMZ is disabled.. .. enable NAT-DMZ switch off pc , does your router still disconnect(ADSL LED goes off??)

Originally Posted by superprash2003

its strange.. i dont think it has anything to do with SNR or his line.. because it works well when NAT-DMZ is disabled.. .. enable NAT-DMZ switch off pc , does your router still disconnect(ADSL LED goes off??)

Please checkout the second part of his post. He has stated that his connection is getting disconnected.

Hey Superprash what really happens is that all the lights on the modem blink but my connection gets disconnected.

Hey Cool Techie TVM, My G.DMT is enabled.

Is the modem displaying ADSL Modulation as G.DMT on the line statistics page?

your connection gets disconnected only when NAT-DMZ is enabled right?? when NAT-DMZ is DISABLED then its perfectly alright right?

From Post No.1
Problem:

I did port forwarding for my router (UT300R2U).I went to the NAT-DMZ and did everything correctly & it is working.The problem I have is that because of this my internet gets disconnected automatically every 15-20 mins.When disable that port forwarding through NAT-DMZ,my network works fine. PLS HELP ME GUYS.

....Did you try "Always on" Connection ?
.....Try openDNS 208.67.220.220 and208.67.222.222
.........In your modem Virtual server /PF options /may not be there.

No need to enable/disable DMZ zone in "DIALUP"mode ". All ports are open. use AV Firewall programs.

Do you get a menu page like this ?
http://i4.tinypic.com/5y2f8ds.jpg