From owner-freebsd-net Wed Oct 25 10:48:56 2000 Delivered-To: freebsd-net@freebsd.org Received: from gomer.august.net (gomer.august.net [216.87.128.131]) by hub.freebsd.org (Postfix) with ESMTP id 1B5B237B4C5 for ; Wed, 25 Oct 2000 10:48:54 -0700 (PDT) Received: from localhost (1216 bytes) by gomer.august.net via send-mail with P:stdio/R:inet_hosts/T:smtp (sender: ) (ident using unix) id for ; Wed, 25 Oct 2000 12:48:47 -0500 (CDT) (Smail-3.2.0.108 1999-Sep-19 #1 built 1999-Oct-11) Message-Id: Date: Wed, 25 Oct 2000 12:48:47 -0500 (CDT) From: lgfausak@august.net (Greg Fausak) To: julian@elischer.org, lgfausak@august.net Subject: Re: BPF usage questions Cc: freebsd-net@FreeBSD.ORG Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > >Julian wrote> >>Greg Fausak wrote: >>> >>> FreeBSD Net Mail List: >>> >>>...deleted... >>> 1) Is it wise to use so many BPF devices? >>> >>> 2) Is there any way to increase the number of BPF devices beyond 255? >>> >>> and, finally, the real questions... >>> >>> 3) Is there some way I can listen on a single device and determine >>> what real device a packet comes in on and... >>> >>> 4) Has anyone done something like this? This is much like the >>> dhcp helper command on a cisco router. I'd like to be able to >>> serve DHCP for thousands of 'devices'. >> >>I hate to sound like a broken record, but archie and I have been looking >>at using netgraph for this. > >What is netgraph? whoops... Foot in mouth. I have done some research now and see this is great! Is there somewhere I can look at examples of ng implemented nodes? Specifically, I'd like to experiment with frame relay (DSL), multi-link (node multiplexing-demultiplexing) and vpn. Thanks, ---greg To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message