big downloads timing out?

[schnikies79]

my setup. verizon dsl 1.5/384, westell 6100 modem, wrt54gl running dd-wrt v23 sp2. Router is DMZ'ed on the modem. That particular modem gives the DMZ'ed device the outside IP address.

I have a problem with big (basically anything >30mb, over http or ftp) downloads timing out, almost every time I download. The internet doesn't go out and the web still works, but I have to resume the download. If I download like a 150mb file, I might have to resume 3 or 4 times.

This has been happening since I got the service (about 3 months ago). I've been putting up with it, but it's getting annoying. Torrents download fine, web works fine, everything else works fine, except those big downloads.

 

[FireMogle]

Can you replicate this on multiple machines on your network, and have you tried to remove the Router from the equation? If you have done these two I would look towards your ISP as the problem, if not you can find either the computer or router as the problem.

 

[schnikies79]

It does the same thing on all machines. I have used the router on a different network without issue, but with a different firmware (hyperwrt+thibor 15c). I have not tried with the modem isolated, but i'll do that.

 

[FireMogle]

If it is not your personal modem I would then get ahold of your isp and see whats up. Most likely they will blame you and you will have to fight but thats isps for ya.

 

[schnikies79]

I tried a 383mb download connected directly to the modem and it downloaded just fine, so I tried another download and it worked again. It has to be my router.

I have always heard that dd-wrt is rock-solid stable, so I have no idea what to do now. The router did just fine with the other firmware.

Now I'm just lost. dd-wrt has too many features to go back to anything else.

 

[FireMogle]

try searching their forums, this may be a known issue with a work around.

 

[schnikies79]

Thats what I'm doing now. At least I know where to begin.

Thanks for the help.

 

[Hazaro]

Try updating to v24?

It's under release candidates at dd-wrt's website

 

[schnikies79]

After crawling around a bunch of forums, it seems there are a lot of problems with dd-wrt. The problems seem to be especially pronounced with QOS, which might have been causing the problems to begin with. I use QOS pretty extensively so that isn't going to cut it.

I switched to Tomato. Everything is running great now.

EDIT: Latency has dropped nearly 30ms across the board in games.