From owner-freebsd-net Fri Mar 30 22: 6:30 2001 Delivered-To: freebsd-net@freebsd.org Received: from filk.iinet.net.au (syncopation-dns.iinet.net.au [203.59.24.29]) by hub.freebsd.org (Postfix) with SMTP id A8FDE37B71A for ; Fri, 30 Mar 2001 22:06:27 -0800 (PST) (envelope-from julian@elischer.org) Received: (qmail 24119 invoked by uid 666); 31 Mar 2001 06:08:23 -0000 Received: from i003-029.nv.iinet.net.au (HELO elischer.org) (203.59.3.29) by mail.m.iinet.net.au with SMTP; 31 Mar 2001 06:08:23 -0000 Message-ID: <3AC573D2.81D2BBA3@elischer.org> Date: Fri, 30 Mar 2001 22:06:10 -0800 From: Julian Elischer X-Mailer: Mozilla 4.7 [en] (X11; U; FreeBSD 5.0-CURRENT i386) X-Accept-Language: en, hu MIME-Version: 1.0 To: "Louis A. Mamakos" Cc: Brett Glass , freebsd-net@FreeBSD.ORG Subject: Re: Transition from modem PPP to PPPoE References: <4.3.2.7.2.20010330201802.00dc8f00@localhost> <200103310355.f2V3tf299146@whizzo.transsys.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org "Louis A. Mamakos" wrote: > > > while I'm not intimately familiar with PPPoE, it's obvious that > > it cannot use IP addresses for its underlying communication; it must use > > MAC addresses and have its own DLC mechanism. This suggests that its > > packets probably have a unique Ethertype. Does anyone know offhand what > > that type is, so that we can instruct the bridges to allow it through? > > (Currently, the bridges only allow TCP, UDP, ICMP, and ARP and block > > types such as IPX.) > > Yes, it uses two different registered ethernet types (which I/UUNET > paid $5000 to the IEEE to get) and they are (from RFC-2516): > > The ETHER_TYPE is set to either 0x8863 (Discovery Stage) or 0x8864 > (PPP Session Stage). > > See http://www.ietf.org/rfc/rfc2516.txt for more details on the protocol, if > you care. unless you are telebrazilia/3com in which case you use two totally different ethertypes just for the fun of it. > > louie > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-net" in the body of the message -- __--_|\ Julian Elischer / \ julian@elischer.org ( OZ ) World tour 2000-2001 ---> X_.---._/ v To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message