From owner-freebsd-tokenring Tue Apr 21 13:56:37 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id NAA20879 for freebsd-tokenring-outgoing; Tue, 21 Apr 1998 13:56:37 -0700 (PDT) (envelope-from owner-freebsd-tokenring@FreeBSD.ORG) Received: from charon.ccnvhi.com (wkstn.ccnvhi.com [207.247.3.162] (may be forged)) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id UAA20837 for ; Tue, 21 Apr 1998 20:56:14 GMT (envelope-from pnorton@ccnvhi.com) Received: by charon.ccnvhi.com; (5.65v3.2/1.3/10May95) id AA31222; Tue, 21 Apr 1998 13:56:05 -0700 Date: Tue, 21 Apr 1998 13:55:45 -0700 Message-Id: <199804212055.NAA01835@grumpy.ccnvhi.com> From: Paul Norton Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: "Matthew N. Dodd" Cc: "Larry S. Lile" , tokenring@FreeBSD.ORG Subject: Re: Current work... In-Reply-To: References: X-Mailer: VM 6.22 under 19.15 XEmacs Lucid Sender: owner-freebsd-tokenring@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Matthew N. Dodd writes: > We need to set our min and max based on line speed and let the user adjust > to some value between if they desire. Min will probably be the same for > both. Max MTU is a function of ring speed and configured shared-RAM for the 16/4 adapters. There's a draft IETF standard that recommends 1500 as default. > Also remember that all our data rides around in 802.2 packets so we have > those headers to deal with as well. Max IP MTU = Recv. buf size - 802.5 MAC header including max possible RIF - 802.2 header - SNAP header. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-tokenring" in the body of the message