From owner-freebsd-net Mon Jan 1 23:13:59 2001 From owner-freebsd-net@FreeBSD.ORG Mon Jan 1 23:13:56 2001 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from herbelot.dyndns.org (s014.dhcp212-24.cybercable.fr [212.198.24.14]) by hub.freebsd.org (Postfix) with ESMTP id E580737B400 for ; Mon, 1 Jan 2001 23:13:53 -0800 (PST) Received: from free.fr (multi.herbelot.nom [192.168.1.2]) by herbelot.dyndns.org (8.9.3/8.9.3) with ESMTP id IAA34175; Tue, 2 Jan 2001 08:13:11 +0100 (CET) (envelope-from thierry.herbelot@free.fr) Sender: thierry.herbelot@herbelot.dyndns.org Message-ID: <3A517F87.B130AC0F@free.fr> Date: Tue, 02 Jan 2001 08:13:11 +0100 From: Thierry Herbelot X-Mailer: Mozilla 4.76 [en] (X11; U; Linux 2.2.12 i386) X-Accept-Language: en MIME-Version: 1.0 To: Wes Peters , net@freebsd.org Subject: Re: Problems with VLAN and natd. References: <200101020501.AAA58976@tsunami.waterspout.com> <3A517429.91B2F251@softweyr.com> <3A517522.EEF1A4B9@free.fr> <3A517A48.A0BD6439@softweyr.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Wes Peters wrote: > > Thierry Herbelot wrote: > > > > Wes Peters wrote: > > > > > [SNIP] > > > > > > Doing link-layer encapsulation modules is really not very difficult. > > > I've written pretty much the full complement, covering ethernet (10, > > > 100, and 1000), FDDI/CDDI, token ring, ATM, and Frame Relay. (Chuck, > > > > What about a netgraph-enabled ATM NIC driver ? (this seems the missing > > piece to get bridged Ethernet over RFC1483 encapsulation on ATM) > > If the top of all the network interface drivers is a netgraph connection, we agree on it : FreeBSD needs a netgraphified hfa(4) : I've seen one or two trys to get it done (the trouble is not many of our commiters know well enough both ATM and netgraph to actually do it, and the ones who do are so busy with other, more interesting challenges) TfH PS : at one time, I would even have tried getting some money from my company to pay a consultant do it (there are not many of them in France, though) > any encapsulation should be straightforward. In the Xylan switch, we At work, I'm using a 1100 LSS : is it the same as the one you worked on ? > actually did the conversion on the outbound network interface module, > so the packet was never converted unless it had to be. We could mimic > that behavior, assuming the output device would check the packet to > see if it needs to be converted, and if so call a module to strip it > down to the bare packet, then another to add the correct encapsulation. > > -- > "Where am I, and what am I doing in this handbasket?" > > Wes Peters Softweyr LLC > wes@softweyr.com http://softweyr.com/ -- Thierry Herbelot To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message