From owner-freebsd-questions  Wed Jan 16 19:38:47 2002
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To: "Joe & Fhe Barbish" <barbish@a1poweruser.com>
Cc: "FBSD Questions" <questions@FreeBSD.ORG>
Subject: Re: Is this ping normal? 
In-Reply-To: <LPBBIGIAAKKEOEJOLEGOKEMJCMAA.barbish@a1poweruser.com> 
From: Chris Fedde <chris@fedde.littleton.co.us>
Date: Wed, 16 Jan 2002 20:38:43 -0700
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On Wed, 16 Jan 2002 22:07:52 -0500  "Joe & Fhe Barbish" wrote:
 +------------------
 | Using a FBSD 4.4 box with a generic install where 
 | the only thing customized is the Nic card as full 
 | duplex and Ip assigned using ifconfig, 
 | connected with a crossover cable to a Winbox with 
 | it's Nic card configured full duplex with IP 
 | address and other associated items hard coded in 
 | the windows networking configuration. 
 | 
 | No matter which way I ping, FBSD to Win or Win 
 | to FBSD I get 2 to 4 timed out packets out of 10, 
 | or 8 to 15 out of 100. There is nothing else going 
 | on in these machines except that ping. 
 | This just does not seem right. I have pinged IP 
 | addresses of places in Honk Kong and get no timed 
 | out packets so what is the problem with 10 feet of 
 | cable between my server and the Winbox? 
 +------------------

You may also be having a problem with the full duplex config. Cards
at both ends of the cable and any hub/switch in the middle must
agree that it is full duplex.  Many older nics don't support
full duplex well even if they let you configure it.  As a diagnostic
try the test from both ends and try  all four combinations of duplex
settings.

--
    Chris Fedde

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