From owner-freebsd-questions Sun Jan 14 14:40:43 2001 Delivered-To: freebsd-questions@freebsd.org Received: from homer.softweyr.com (bsdconspiracy.net [208.187.122.220]) by hub.freebsd.org (Postfix) with ESMTP id 4BE1837B6AE for ; Sun, 14 Jan 2001 14:40:09 -0800 (PST) Received: from [127.0.0.1] (helo=softweyr.com ident=Fools trust ident!) by homer.softweyr.com with esmtp (Exim 3.16 #1) id 14HvvC-0000BF-00; Sun, 14 Jan 2001 15:46:46 -0700 Message-ID: <3A622C56.175671C1@softweyr.com> Date: Sun, 14 Jan 2001 15:46:46 -0700 From: Wes Peters Organization: Softweyr LLC X-Mailer: Mozilla 4.75 [en] (X11; U; Linux 2.2.12 i386) X-Accept-Language: en MIME-Version: 1.0 To: opentrax@email.com Cc: questions@FreeBSD.ORG Subject: Re: Building a local network on switches (ANTISNIFFER measures) References: <200101140811.AAA00707@spammie.svbug.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG opentrax@email.com wrote: > > On 5 Jan, Wes Peters wrote: > > > > Except some managed switches allow you to specify certain MAC addresses > > that are allowed on a given port. Packets received from other MAC > > addresses are dropped. > > > Yes, 3Com ethernet ethernet switched hubs offer this. > However, most admins I've run into kill that feature. > One co-lo we were in started dropping packets for no > reason. So ourselves and others would ping the outside > world just to keep our servers from getting dropped. > Yes, they were 3Com. If you're going to go to the expense of building a switched network, you might as well buy good switches. The small difference in price is more than compensated by the large difference in screw-ups and headaches. And no, 3Com is *not* included on any reasonable list of "good switches." -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC wes@softweyr.com http://softweyr.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message