*BSD News Article 80274


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From: zeno@serv.net (Sean T. Lamont)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: bpf config for tcpdump
Date: 8 Oct 1996 22:50:31 -0700
Organization: ServNet Internet Services, Seattle, WA
Lines: 20
Message-ID: <53fef7$khl@itchy.serv.net>
References: <52gl4e$osr@sisscoe.sisnet.ssku.k12.ca.us> <52tq38$kl@infinity.ping.de> <538o0a$b9d@Symiserver2.symantec.com>
NNTP-Posting-Host: itchy.serv.net

In article <538o0a$b9d@Symiserver2.symantec.com>,
 <tedm@agora.rdrop.com> wrote:

>As time passes this is getting less important.  Modern hubs many times have
>filtering that can be installed that will block traffic from ports not
> intended for addresses on that port.  Also, switching hubs block much 
> traffic as well.

The latter and former statements are essentially the same. An ethernet
switch only delivers packets destined for the MAC address[es] on the end
of that piece of wire. Unfortunately, they're still pretty expensive.




-- 
Sean T. Lamont, President / Chief NetNerd, Abstract Software, Inc. (ServNet)  
- Internet access * WWW hosting * TCP/IP * UNIX * NEXTSTEP * WWW Development -
email: lamont@abstractsoft.com              WWW:  http://www.serv.net
"...There's no moral, it's just a lot of stuff that happens". - H. Simpson