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Date:      Tue, 20 May 1997 14:59:33 +0930 (CST)
From:      Michael Smith <msmith@atrad.adelaide.edu.au>
To:        perlsta@fang.cs.sunyit.edu (Al)
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: BNC netcards?
Message-ID:  <199705200529.OAA28743@genesis.atrad.adelaide.edu.au>
In-Reply-To: <2.2.32.19970516203604.006813f8@fang.cs.sunyit.edu> from Al at "May 16, 97 04:36:04 pm"

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Al stands accused of saying:
>         I just recently installed a genuine NE2000 16 bit novell BNC card in
> a freebsd box and an 8 bit NE1000 in my win95 box, they are both 10mbps
> right? but my transfer rate varies from 140k per second down to like 40k
> between machines, and they are only seperated by a 15 foot cable with
> terminators on the end.
> 
>         I thought i'd get almost a megabyte per second.
> 
>         Anyone have any suggestions why it is acting like this?  I know the
> cards are old... but is there any diagnostic tests i can run to aid
> diagnosing the problem?

It's possible that the NE1000 is being overrun and thus losing packets, or
that you have bogus cabling or terminators.  

You will need to look at the interface stats (netstat -i) and 
protocol stats (netstat -p tcp) to work out what is going wrong.

> Alfred Perlstein

-- 
]] Mike Smith, Software Engineer        msmith@gsoft.com.au             [[
]] Genesis Software                     genesis@gsoft.com.au            [[
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