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  isp promblem or router promblem? 
 
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squire strahan Jan 03, 2008, 07:08pm EST Report Abuse
ok ive been having this problem since we moved into our new house.
i have three computers hooked up to my D-Link Gamerlounge 4300 and a 360(360 and two copmputers wired, one wireless) ok this is the problem.
whenever there is large file downloads or uploads it seems that my internet connection is no more, but the modem is still connected and getting activity, but i cant connect to the internet? i will have to restart my pc or even some times reset the modem and router.
it drove me crazy!so went to the the attic and look to see if the cable coming in is splitted more the once and it was! so unhooked it. so its just one wire going straight to the office and im still getting the same problem!!!! any ideas? could a bad ethernet port on the pc cause this or maybe a bad router? im out of ideas and tried multiple things to get it to work.tried new cables no go, out of ideas.


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Chris McGee Jan 04, 2008, 04:35am EST Report Abuse
>> Re: isp promblem or router promblem?
Is this just a straight download or through a p2p app like bittorrent or limewire?

john albrich Jan 04, 2008, 11:51am EST Report Abuse
>> Re: isp promblem or router promblem?
Chris McGee said:
Is this just a straight download or through a p2p app like bittorrent or limewire?


Is where you're going with this question to talk about some ISPs installing torrent filtering/limiters on their networks? If so, I don't need to add anything more.

Chris McGee Jan 04, 2008, 01:36pm EST Report Abuse
>> Re: isp promblem or router promblem?
john albrich said:
Is where you're going with this question to talk about some ISPs installing torrent filtering/limiters on their networks? If so, I don't need to add anything more.


I was going more for the number of connections the router can handle at one time. Cheaper routers (like mine :)) have a tendency to drop the connection if they're overwhelmed by a large number of incoming connections such as you get from a very active p2p download.

squire strahan Jan 04, 2008, 02:23pm EST Report Abuse
>> Re: isp promblem or router promblem?
i have a d_link gamerlounge it is not a cheaper router, and it happens when i download or upload anything i have a site that i like to upload picture and home videos, that some timescan reach sizes up to a gig. i never heard of torrent filtering/limiters?.
thanks fo the help:)

john albrich Jan 04, 2008, 03:42pm EST Report Abuse
>> Re: isp promblem or router promblem?
squire strahan said:
...i never heard of torrent filtering/limiters?....


Some ISPs have been sued because of torrent limiting.

See
http://torrentfreak.com/search/sandvine
http://en.wikipedia.org/wiki/Traffic_shaping
http://torrentfreak.com/comcast-throttles-bittorrent-traffic-s...mpossible/

and/or Google/search on
[Sandvine]
[internet traffic shaping]
[torrent throttling]
etc

squire strahan Jan 04, 2008, 04:25pm EST Report Abuse
>> Re: isp promblem or router promblem?
thanks for the info, but i have most my problem when ftp'ing a file or even when more then one computer is running on the network, but i have a little! update it mostly happen when i was using a old Dell that i have. so i stop using that pc last night for my file uploads and used a spare pc that i had laying around and uploaded a large file didnt get any interruptions at all! so finally i think im narrowing it down to the pc could be causing this promblem? could this happen? could a bad NIC be causing all this trouble

Chris McGee Jan 04, 2008, 04:48pm EST Report Abuse
>> Re: isp promblem or router promblem?
Could be a bad NIC. You could maybe try changing the speed setting on that NIC from auto to a manual setting as the auto setting has been known to cause this type of problem.

squire strahan Jan 04, 2008, 05:04pm EST Report Abuse
>> Re: isp promblem or router promblem?
awesome thanks i will try it out

john albrich Jan 05, 2008, 03:43am EST Report Abuse
>> Re: isp promblem or router promblem?
squire strahan said:
...so finally i think im narrowing it down to the pc could be causing this promblem? could this happen? could a bad NIC be causing all this trouble


If limited to a particular PC, could also be some well-hidden malware or zombie-ware specifically trying to interfere with or over-access your network connection.

I suppose the easiest diagnostic would be if you can swap out the NIC. If both computers use integrated NIC, of course, that won't be possible. I'm going to assume you used the exact same cables, adapters, and connectors when you switch between the computers.

If you can't swap cards, you can also look at the "Networking" tab of TaskManager and viewing at the fastest update speed, look for patterns while downloading large files. If you see a consistent pattern in data rate reductions, then it's probably not a defective card, but more likely firmware or driver related. For example, the DOCSIS problem I mentioned earlier showed up as a 30 second repeating cycle that was easy to visualize using Task Manager.



 

    
 
 

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