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Old 07-13-2004, 19:46   #1
AZ-Boog
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download speed discrepency. help!

ok. specs first. I'm running an XP Pro box with a 9800Pro vid card and a 3Com 10/100 NIC. I'm running a router (Linksys BEFX41) as a hardware firewall. My Son's PC is the only other pc hooked up to the router. He's running win98SE, GeForce4 Ti4200 vidcard and a Netgear 10/100 NIC.

Here's the problem: When I go do a performance test at toast.net and download the same graphic file from the same location my first 3 runs were:

1910 Kb
1927 Kb
2058 Kb


When I do the same test, same graphic file, same location, my Son's PC does:

520 Kb
538 Kb
543 Kb

??????????

I don't understand, shouldn't he be pulling the same, or similar, download speeds as I am??

When I ping an IP from both PC's we get almost identical pings. I know latency and download speeds are 2 different animals, I just put the ping comment in to show that there weren't any latency issues.

any ideas????
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Old 07-13-2004, 20:15   #2
NetNinja
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Windows 98

Just shoot it.
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Old 07-13-2004, 20:22   #3
berniew
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Re: download speed discrepency. help!

I would try messing with the duplex settings for the NIC

Quote:
Originally posted by AZ-Boog
ok. specs first. I'm running an XP Pro box with a 9800Pro vid card and a 3Com 10/100 NIC. I'm running a router (Linksys BEFX41) as a hardware firewall. My Son's PC is the only other pc hooked up to the router. He's running win98SE, GeForce4 Ti4200 vidcard and a Netgear 10/100 NIC.

Here's the problem: When I go do a performance test at toast.net and download the same graphic file from the same location my first 3 runs were:

1910 Kb
1927 Kb
2058 Kb


When I do the same test, same graphic file, same location, my Son's PC does:

520 Kb
538 Kb
543 Kb

??????????

I don't understand, shouldn't he be pulling the same, or similar, download speeds as I am??

When I ping an IP from both PC's we get almost identical pings. I know latency and download speeds are 2 different animals, I just put the ping comment in to show that there weren't any latency issues.

any ideas????
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Old 07-13-2004, 23:59   #4
sdakota
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AZ-Boog - The default setting for the "TCP Receive Window" in Windows 98 is way too low for broadband.

I would download Dr. TCP from DSL Reports and set "TCP Receive Window" way up.

The default is 8192 or 16384, try it at 32768 or 65536, etc.

This usually makes a dramatic difference for broadband users on Windows 98 (and Windows XP also, IIRC).

Here's some more reading, if you want it: HERE and HERE

Hope this helps !
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Old 07-14-2004, 09:27   #5
AZ-Boog
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There's the kinda help I was looking for. Thanks sdakota. I'll give it a try.

Is there a way to set this in win98 without resorting to a third party utility?????
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I picked-up this girl last night. At least, I think she was a girl. Lester's a chick name....right?....RIGHT?!?!

Krusty the Clown

My Father always said that laughter was the best medicine. I guess this explains why so many of us died from tuberculosis.

Jack Handy
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Old 07-14-2004, 11:57   #6
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Quote:
Originally posted by AZ-Boog

Is there a way to set this in win98 without resorting to a third party utility?????
i don't know for sure, but..
changing the value of DefaultRcvWindow

setting decribed at http://support.microsoft.com/default...b;en-us;158474

might do it.
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Old 07-14-2004, 12:18   #7
sdakota
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Quote:
Originally posted by AZ-Boog
There's the kinda help I was looking for. Thanks sdakota. I'll give it a try.

Is there a way to set this in win98 without resorting to a third party utility?????

Yes, if you are comfortable editing the registry.

First, back up the registry.

Navigate to [HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\MSTCP]
and create/alter a key named "DefaultRcvWindow" with a value of "65535", or whatever value you want to try.

That should do it.
Best of luck !

PS> I got this info from http://cable-dsl.home.att.net/
I don't know why they use 65535 instead of 65536.
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Old 07-14-2004, 12:22   #8
AZ-Boog
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yes, I'm comfortable using regedit. I'll give it a go.

Thanks for the help.
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I picked-up this girl last night. At least, I think she was a girl. Lester's a chick name....right?....RIGHT?!?!

Krusty the Clown

My Father always said that laughter was the best medicine. I guess this explains why so many of us died from tuberculosis.

Jack Handy
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Old 07-14-2004, 15:43   #9
Soujurn
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Quote:
Originally posted by sdakota

I don't know why they use 65535 instead of 65536.
Because 2 ^ 16 = 65536, but you have to count zero too.
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Old 07-14-2004, 21:26   #10
AZ-Boog
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set it to 65535 and jumped to 1883Kb for the graphic download from toast.net.

excellent!

thanks for the help all, and especially sdakota!
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I picked-up this girl last night. At least, I think she was a girl. Lester's a chick name....right?....RIGHT?!?!

Krusty the Clown

My Father always said that laughter was the best medicine. I guess this explains why so many of us died from tuberculosis.

Jack Handy
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