Date: Fri, 11 May 2001 00:06:27 +0200 From: =?iso-8859-1?Q?R=E9mi_Guyomarch?= <rguyom@pobox.com> To: Robert Watson <rwatson@freebsd.org> Cc: Rob Harris <rharris@cidera.com>, freebsd-net@freebsd.org Subject: Re: Bridge over tun0 waters... Message-ID: <20010511000627.A71704@diabolic-cow.chatgris.net> In-Reply-To: <Pine.NEB.3.96L.1010509113908.11741u-100000@fledge.watson.org>; from rwatson@freebsd.org on Wed, May 09, 2001 at 11:41:51AM -0400 References: <B71ED73F.67D%rharris@cidera.com> <Pine.NEB.3.96L.1010509113908.11741u-100000@fledge.watson.org>
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On Wed, May 09, 2001 at 11:41:51AM -0400, Robert Watson wrote: > > At least in FreeBSD 5.0-CURRENT, and quite possibly in RELENG_4, there's > an if_tap driver, which serves a similar function to the if_tun driver. > if_tap appears as /dev/tap*, and as tap* interfaces, and appears as an > ethernet device. It is used by our VMware port to allow VMware to make > use of a virtual interface which is then bridged as needed with other > local ethernet devices. It would be easy to imagine a tunneling program > that sat on /dev/tap0 on two machines, and linked them using UDP, then > using the kernel bridging support (either the bridge support in > ethernet.c, or using ng_bridge). ports/net/vtun does exactly that (tunneling ethernet over UDP with /dev/tap). -- Rémi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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