Date: Sat, 14 Nov 1998 08:46:47 +1100 From: Eddie Irvine <eirvine@tpgi.com.au> To: Dave Bodenstab <imdave@mcs.net> Cc: questions@FreeBSD.ORG Subject: Re: Are collisions normal on a local net Message-ID: <364CA8C7.3A461F3C@tpgi.com.au> References: <199811130354.VAA11666@base486.home.org>
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Hi Dave,
Dave Bodenstab wrote:
>
> Dear Network Wizards,
>
> I've got 3 PC's networked:
>
> CPU OS Board Driver
> ---------- --------------------- -------------------------- -----
> 486 FreeBSD 2.0.5 ne2000 clone ed
> 586/mmx FreeBSD 2.2.5 ne2000 clone ed
> 2 x 686/pro FreeBSD 3.0 (8/4 snap) Intel Etherexpress Pro/100B fxp
> (integrated on a PR440FX MB)
>
> When I do a ``netstat -i'' on either of the machines with the ne2000
> cards, I see no collisions, but I do see a few IERRS, ie:
>
> Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
> ed0 1500 <Link>00.40.05.52.8d.ad 8352016 15 5678032 0 0
> ed0 1500 10 base486 8352016 15 5678032 0 0
>
> However, from the 3.0 box, I see:
>
> Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
> fxp0 1500 <Link> 00.a0.c9.49.6f.9e 199825 0 363568 0 30635
> fxp0 1500 10/24 base686 199825 0 363568 0 30635
>
Seems a tad excessive for a small network.
> ed0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
^^^^^^^
Use the MS-DOS setup disk that came with the ed0 card to make certain
it really is in SIMPLEX mode and not DUPLEX.
This seems to be a problem with the ISA NE2000 cards (not just for
FreeBSD but
W95 as well). PCI NE2000 cards seem to be OK.
Eddie.
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