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MR314 - connection freezes on connecting 3rd laptop

Posted on 2004-09-14
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Last Modified: 2013-12-14
Hi, I have a netgear mr314 router with a verizon dsl. everything works fine with a hard wired pc and a wireless laptop. But when I try to add a second laptop, it does not work. There is no connectivity on the other 2 computers either. I checked ipconfig and everything seems ok. It has a DHCP assigned valid IP address, points to the correct DNS, DHCP and Gateway.
I am able to access the router 192.168.0.1 from all 3. but no internet connection. I do not have any encryption or mac filtering. What could be wrong? This laptop does not work even when it is connected by cable to the router.

I did the routine of switching off router, then modem, 1 min wait, modem on and router on. Doesnt help.

I tried connecting only this laptop to the router. That doesnt help either.

Has anybody else had this problem? Any input will be helpful. I have been stuck with this problem for a looong time now :-0
Thanks.
lots.



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Question by:lotsofquestions
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by:Eric
ID: 12085524
Hi lotsofquestions,
try to type this from the cmd prompt
ping yahoo.com
then type:
ping 66.94.234.13

Lets us know the results of each.
Maybe your DNS is not working... but you really do have internet conectivity.
This will determinte that.  if the ip ping works find out your ISP's DNS servers
and manually put them into each clients TCP/IP settings.  Leave IP addressing up to DHCP, but
use manual DNS entrys.

Good luck!
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Author Comment

by:lotsofquestions
ID: 12098901
hello ecszone: thanks for your points.
I could not ping yahoo.com nor the IP.

And I found out that verizon my dsl provider has dynamic DNS.

Is there any thing else that i could possibly check? thanks so very much for your input.

lots
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by:Eric
ID: 12099404
I did not realize its wireless.  Are all or some of these connections made via wireless?

You will get exactly the results your getting if your router is configured to use WEP
encryption.  You will get  a IP and all but the router will not acknowledge your traffic.
Check to see if your using a 64bit or 128 bit key.  
Note:
wireless connectivity requires the same SSID number (maybe automatic if set to "OPEN KEY")
same encryption key (if enabled)

My next step would be to reset the router to its default settings, and install the latest firmware.
You should be able to download firmware at dlinks website.

Other things to look at:
http://kbserver.netgear.com/kb_web_files/n101209.asp
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by:Eric
ID: 12294097
I think it was a typical case of "i got it working" abandonment.
He never replied to my last post :|
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Author Comment

by:lotsofquestions
ID: 12322575
Nooo.  Not abandoned@!  I apologize people.
Sorry that I did not respond. I was away from home for quite a while and never got down to fixing it once i got back (grrr... i hate midterms!).

ecszone: I tried all that you had suggested. Router is nto configured for WEP. SSID is the same. And I did reset the router to its default settings. It did not work.

But I believe one night when my sister tried to use this laptop, she was able to get the website www.google.com. but no other url. and it did return with search results too. but did not open the links listed on the search result.
I was not around. And apparently it stopped working after that.

One thing that i have not tried yet, is getting it to some other wireless access points and checking if it works. I should have probably done this earlier.  So let me do that and post the results here.

Please accept my apologies. It was very shabby of me to leave the thread hanging!

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by:Eric
ID: 12322649
Cool.  No problem... you would be surprised about how many never come back.  
Did you try flashing with the newest firmware.  That has worded for me in the past. Prepair it will probably change back to default settings.

try this if you want to test wirless NIC

http://www.wi-fihotspotlist.com/
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by:lotsofquestions
ID: 12322728
Thanks, Will test the NIC and next get the latest firmware. Thanks very much,

lots
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by:lotsofquestions
ID: 12418587
hi ecszone: the firmware was the latest - 3.29. but downloaded it again and upgraded.
the problem still exists. when i disconnect and reconnect to the essid, the first few secs, it works. i can access any website. but it doesnt work after that!
nor do the other computers on the network.
thanks
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by:Eric
ID: 12422346
Does the router have a builtin swtich or hub?  If so run an eithernet cable to from one of your PC's to rule out wirless being the problem.

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Author Comment

by:lotsofquestions
ID: 12427814
Yes, it has a built in 4 port switch. and i do have my pc connected to it. and it works fine until i try to connect the third laptop. once the this laptop wireless adaptor is in its socket, the PC and the other laptop that were working, stop working.

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by:Eric
ID: 12427885
that does not make any sense.
Either something is missing from this puzzle that I do not see or you have some faulty hardware.
Does the problem pc have a normal eithernet adapter?  or could you put on it it from your other laptop?
So that you can try it hardwired to isolate the wirless NIC?

I can not think of any reason one bad pc that is in a switched network could bring down the entire network short of hardware problems.

and your 1st laptop is definatly using the wireless connection?
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by:Eric
ID: 12427924
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by:lotsofquestions
ID: 12429776
hhmm. okay - i am starting to think its a hardware problem too. but just to recap -


>>Does the problem pc have a normal eithernet adapter?  or could you put on it it from your other laptop? So that you can try it hardwired to isolate the wirless NIC?

I am not sure I understand - Just to clarify - there is 1 pc.(call it pc1 - wired) and 1 laptop, lets call it laptop1(wireless) that is working. When I add the laptop2 (wireless) all the funky things that i mentioned above happen.

Ok, previously I tried to hardwire the laptop2 to the router. it doesnt work.

thats it i guess.

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Expert Comment

by:Eric
ID: 12433988
Heh this is bizzar.  When you did try to hardwire laptop 2 did it disable all other pc's also?  Or did it just not work?

maybe your 3rd pc is riddle with worms/viruses or soemthing strange like that.

Try adaware to find anything.
Run a virus scan with the latest definitions
run hijackthis  and post results.  (its kind of a stretch so if you dont want to put this effort in I understand)
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Author Comment

by:lotsofquestions
ID: 12436143
Yes, when i tried to hardwire laptop2, it did not work and also the the other laptop(wireless) did not work. i had only one ethernet cable, so could not test the PC as it does not have a wireless card.

sigh. let me see what the viral scan says.  but this is a new laptop and i had it hooked to a public LAN network only a couple of times though that could be enough to infect i guess - but the probabillity is minimal since its a well maintained network and nobody else had complaints.
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Eric earned 250 total points
ID: 12436193
call netgear... maybe they have some ideas.

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by:lotsofquestions
ID: 12478426
i dont have a service contract. this modem was a hand-me-down from someone.

I am going to close this question now, since i dont have the time to dig into this further.  i might just buy a new modem probably.

Thanks so much for your help ecszone. I really appreciate it.
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by:Eric
ID: 12478460
Thanks.. Good luck with whatever you decide to do.
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