From owner-freebsd-hackers Thu Oct 12 14:37:12 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from whistle.com (s205m131.whistle.com [207.76.205.131]) by hub.freebsd.org (Postfix) with ESMTP id 35D1637B66D; Thu, 12 Oct 2000 14:37:09 -0700 (PDT) Received: (from smap@localhost) by whistle.com (8.10.0/8.10.0) id e9CLb1C14349; Thu, 12 Oct 2000 14:37:01 -0700 (PDT) Received: from bubba.whistle.com( 207.76.205.7) by whistle.com via smap (V2.0) id xma014342; Thu, 12 Oct 2000 14:36:53 -0700 Received: (from archie@localhost) by bubba.whistle.com (8.11.0/8.11.0) id e9CLaqI89747; Thu, 12 Oct 2000 14:36:52 -0700 (PDT) (envelope-from archie) From: Archie Cobbs Message-Id: <200010122136.e9CLaqI89747@bubba.whistle.com> Subject: Re: etherchannel In-Reply-To: <200010122106.e9CL6dE22139@orthanc.ab.ca> "from Lyndon Nerenberg at Oct 12, 2000 03:06:39 pm" To: Lyndon Nerenberg Date: Thu, 12 Oct 2000 14:36:52 -0700 (PDT) Cc: Mike Smith , hackers@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL82 (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Lyndon Nerenberg writes: > Mike> This is primarily conditional on Cisco or some other party > Mike> making the specifications for etherchannel freely available. > Mike> The last time I went looking for any actual documentation on > Mike> how to format things on the wire, I drew a complete blank. > > http://www.cisco.com/warp/public/cc/techno/media/lan/ether/channel/prodlit/faste_an.htm > > It's pretty simple -- just an XOR of the bottom two bits of the destination > MAC address to determine which interface in the bundle to send the packet > out. If anyone is interested, I've got a "ng_one2many" netgraph node type that does simple round-robin packet delivery with no notion of failover. The intent is to eventually add support for different configurations, one of which would be Etherchannel, by configuring the node for the desired behavior. If you want to play with it, here is the current version: ftp://ftp.whistle.com/pub/archie/netgraph/ng_one2many.tgz -Archie ___________________________________________________________________________ Archie Cobbs * Whistle Communications, Inc. * http://www.whistle.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message