uTorrent - slows down internet when DHT updating

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unreal89

Limp Gawd
Joined
Jul 21, 2010
Messages
270
I have a Zoom 5350 Cable modem/wireless router. When I'm using uTorrent on a wired connection, and DHT is updating, my internet surfing is inaccessible for like 2-3 mins. This is even when I have no DL or UL going. It's really frustrating.

I have a Motorola modem that I tested on and it's fine with the DHT thing. Seems like maybe a setting in the Zoom 5350 is causing a slow down?

Any idea's? I'm getting rid of this modem/router soon. I'm just going to run a cisco e900 with my motorola modem, but I still would like to know if this is a common problem and what possible remedies there are...
 
Sounds like the NAT table is filling up. It's a common problem on cheap or really low-end routers.
 
is that an issue with the hardware? software? or firmware?

I just checked and it seems the e900 i ordered may be dd-wrt compatible (I dont know much about this stuff). would that help?

I also tried disabling the DHT, which helps with my internet, but the UL I have going are slooow.
 
You can limit utorrent regarding how many concurrent sessions you wish to allow.

But other than that the proper solution is to configure your dsl/cable-modem into "bridge-mode" (it will just convert between RJ45 and whatever you have on the uplink) and get a proper firewall that can deal with the number of concurrent connections needed (usually more than 1000, or even better 10.000 or more while you are at it).

When it comes to "broadbandrouters" the ASUS RT-N56 and RT-N66 series seems to tbe "the shit" in the consumer market. Otherwise if you have an old pc with two (or more) nics you can use pfsense, smoothwall or whatever will also be able to deal with the "number of concurrent connections" problem.
 
I run nothing but Cisco Equipment oh and my cheap little TPLINK WAP.

I have ZERO problems with anything on the internet. Probably a cheapo router getting slammed with too many TCP/UDP connections to handle the NAT'ing.

I'd say a Cisco 5505 if you want enterprise quality firewall - ethernet only routing functions.

Or on a budget an Asus RT-N66U for consumer grade. It will cost you about $150.00 more for a baseline Cisco firewall.
 
you networking guys use a lot of abbreviations lol. I need to have Google open simultaneously to decipher your posts.

I dont want anything fancy. I literally have one desktop PC hooked up to the router via ethernet and my GF uses the wifi for her macbook. If it was not for her I'd just use a modem and be done with it.

I'll play with the settings of my Cisco E900 when it gets here, hopefully I can come up with something. I know that when I had FiOS in California, the default modem/router that it came with handled 3-5 computers hooked up at once and I ran uTorrent no probs. I think this ZOOM thing is just a POS.
 
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