From: "Kevin P. Fleming" <kpfleming@cox.net>
To: Chris Friesen <cfriesen@nortelnetworks.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: is it possible to bridge virtual devices (ie. a GRE tunnel)?
Date: Thu, 23 Jan 2003 12:41:53 -0700 [thread overview]
Message-ID: <3E304581.2010302@cox.net> (raw)
In-Reply-To: <3E3040B7.6040001@nortelnetworks.com>
Chris Friesen wrote:
>
> I want to set up two physically separate LANs with the same network
> address and logically bridge them using some kind of tunnel over an IP
> network.
>
> I was hoping to somehow combine bridging with GRE tunnels in the kernel
> to accomplish this, but I haven't been able to find out for sure if the
> current kernel bridging code can handle a tunnel device as one of the
> bridge elements.
>
> Can anyone give the definitive answer for this?
>
> Thanks,
>
> Chris
>
I don't believe you'd be able to use GRE tunnels, as they are not an "Ethernet"
type of tunnel.
However, I run a network with three physical locations, bridged over TAP-type
tunnels using VTUN (vtun.sourceforge.net). These are Ethernet-type tunnel
devices, so the bridge code just sees them as if it was any other Ethernet
network interface.
In addition, I use ebtables to control what traffic gets bridged across the
tunnels, so extraneous broadcast/multicast traffic stays where it is supposed to.
prev parent reply other threads:[~2003-01-23 19:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-23 19:21 is it possible to bridge virtual devices (ie. a GRE tunnel)? Chris Friesen
2003-01-23 19:41 ` Kevin P. Fleming [this message]
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