Summary: Terrible network performance between two machines on sam e network

From: Loukinas, Jeremy <>
Date: Tue Jun 29 2004 - 11:06:45 EDT
Very fast responses from a lot of people. Simple answer.. hub= half duplex
switch=full. Made the changes and its flying. 

Thanks everyone
-----Original Message-----
From: Douglas Palmer [] 
Sent: Tuesday, June 29, 2004 10:45 AM
To: Loukinas, Jeremy
Subject: Re: Terrible network performance between two machines on same

On Tue, 29 Jun 2004, Loukinas, Jeremy wrote:

> I have two test machines. One U30 and one Netra T105. I am ftp-ing a 1.9gb
> file between the two. Pretty standard Solaris 9 OS, nothing fancy. The
> is taking many hours to transfer. Never really had to diag this bad of
> network perf before. These machines are on their own 10/100 hub nothing
> is on this segment.
> Both machines are set for 100mb full duplex. I have tried both scp and ftp
> to get the file across.

If it is really a hub, then they should be set to half-duplex. If it is a
switch, then make sure the switch ports are locked down to 100Mb/full as

-- DCP
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Received on Tue Jun 29 11:07:34 2004

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