Ethernet speed problem with XP home + service pak 3.

By jimhudspeth ·
We converted from Cox to ATT Uverse. Download with cox was 5mb. Download with ATT is 1250Kbt.
ATT shows 6MB on the techs lap top when using same cable. System is Asus MB P4G8X delux. Broadcom adapter built in. Tried new Nic card and still 1250Kbts. Any ideas?

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All Answers

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Make sure that you have set MTU correctly

by wanttocancel In reply to Ethernet speed problem w ...

If this is DSL (and I believe so since you're using ATT) make sure that you MTU value is under 1500. I would set this around 1480 or even 1400 to be sure. You can change this value on the router (if you're using one) or on the modem. Speak to your ISP to see how to get to the settings for the modem. For me when ATT bought out Bellsouth, the settings weren't accessible from the sign in page.

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My MTU size

by jimhudspeth In reply to Make sure that you have s ...

Thanks hnting_bears, I set the MTU to 1500. The system will not take a smaller size. Still 1203Kpbts down and 953Kpbts up. Any other Ideas? The signal from ATT comes over the phone lines and is picked off by a balun for the TV signal.
This goes to the ATT modem and then thru a 20 foot cat 5 cable to my system.
Could the cable length have anything to do with this?
This is very frustrating since nothing seems to change it.

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I wouldn't think it has anything to do with the cable length

by wanttocancel In reply to My MTU size

You said in your previous post that when the tech comes out he gets full speed. If he's using the same 20ft Cat 5 cable that's not the problem then.

The only thing I can think of is that maybe your Ethernet Port is having trouble with the signal, causing the Internet speed to decrease. If the port is part of the motherboard, you could buy (or borrow) a PCI NIC card and install it to see if that fix your problem. If you're using a NIC card already, you can swap it out for a good one.

By the way, have you tried using the Internet without the balun? It could be worth a try if it's not too much work.

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I found the problem

by jimhudspeth In reply to I wouldn't think it has a ...

After looking around the net for a week I came across an application that said it would optimize XP for internet transfer rate.
I downloaded the app and ran it and a dialogue box asked "DSL or Cable". I clicked cable and it said "reboot".
After reboot I checked the speed and it was 750kilo bytes / sec.
I downloaded a 53 MB file and it took 1 min 10 seconds.
Thanks for the help everybody.

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