From owner-freebsd-questions  Fri Jul 24 01:37:45 1998
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Date: Fri, 24 Jul 1998 01:37:10 -0700 (PDT)
From: Doug White <dwhite@resnet.uoregon.edu>
To: Mike Lane <lane@tfs.com>
cc: freebsd-questions@FreeBSD.ORG
Subject: Re: netstat -i  and Oerrs
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On Wed, 22 Jul 1998, Mike Lane wrote:

> I running a FreeBSD machine (Pentium Pro 200) with a SMC9332BDT Ethernet
> board. The Ethernet is running full duplex at 100Mbps. The network board is
> connected to a 3COM Ethernet Switch model 3C16464.
> 
> When you do a netstat -i  it show an extremely large number of Oerrs. Opkts
> 59363 and Oerrs 59019. There appears to be an Oerr for every packet sent.
> The receiving device gets the packets with no problems.
> 
> If I connect the Ethernet to a hub, which forces the Ethernet connection to
> half duplex, the errors go away.
> 
> Is there a problem running FreeBSD full duplex or am I getting false Oerrs?

I'd suspect cabling or a miscommunication with the card and the switch.
Try forcing the media type on the switch and the card, just to make sure
the two are speaking the same language.

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major


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