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Date:      Fri, 24 Nov 1995 15:30:24 +0500 (GMT+0500)
From:      "Serge A. Babkin" <babkin@hq.icb.chel.su>
To:        andyh@compnews.co.uk (Andrew Hird)
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: Ethernet cards for FreeBsd
Message-ID:  <199511241030.PAA07928@hq.icb.chel.su>
In-Reply-To: <Pine.SUN.3.91.951122174506.966s-100000@sage.compnews.co.uk> from "Andrew Hird" at Nov 22, 95 05:48:58 pm

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> 
> Hi there, I'm setting up a PC with FreeBSD on it to act as a router 
> between two networks of machines. All seems fine except we've got 3COM 
> Etherlink III (3C509B models) and in the LINT kernal it mentions that the 
> ep0 code for it is "buggy". What exactly does this mean? And how badly 
> would this affect the machine when its acting as a router (I suspect 
> quite badly!!).

Really it is enough stable now (at least not worse than in BSDI 1.1) and
enough quick: I get the full Ethernet throughput on FTP (1.1M/s with it)
with my 496DX2/66 machine.

> 
> Does this still apply in 2.1R (same comment in LINT).

2.1 (and -current) still do not contain the multicast support, Plug-n-Play
support and the common probing scheme for all 3COM cards support although
the patches for them exist.

> 
> Finally, what ethernet cards would people recommend for use with a 
> machine which is to act as a router - I guess a fast reliable card is 
> what I'm looking for.

The problem with 3c509 is that they have enough small input buffers that
gets overflown sometimes under the heavy load (when you have
multiple network cards or you're doing tcpdump from a heavy loaded cards).

-SB



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