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Date:      Mon, 17 Dec 2001 15:21:03 +1000
From:      "Karun" <karun@dambiec.zzn.com>
To:        "Sam Drinkard" <sam@wa4phy.net>, <freebsd-questions@freebsd.org>
Subject:   Re: Realtek 8139 
Message-ID:  <010801c186ba$a067c9c0$0301000a@karunwinxp>
References:  <3C1E888B.18FEFFF6@vortex.wa4phy.net>

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> Scenario:  first card is running under 4.4-Stable in an Athalon 880 box,
> pretty much plain jane.  It connects to an el-cheapo LinkSys hub, which
> in turn feeds another P233 box running RH-7.0, and another P3-733
> running 98.  The problem, (of sorts) is this.  Initial bootup sets the
> card up as "none" for media select.  I see terrible thruput to either
> box.  If I set media to 10BaseT/UTP, speed goes up drasticaly, but I see
> tons and tons of collisions.  Is there a tuning parameter in the kernel
> I could manipulate to maybe cut down on something to reduce the
> collisions?  Have tried setting mtu lower, but no avail.  Unfortunately,
> RH does not support media options with that particular card, however
> some are supported according to man page.
>
Collisions are a normal part of an ethernet network and cannot be prevented
from occuring.




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