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Date:      Sun, 26 Apr 2015 18:36:29 +0600
From:      Victor Sudakov <vas@mpeks.tomsk.su>
To:        freebsd-questions@freebsd.org
Subject:   Re: tunneling L2 tagged traffic over IP
Message-ID:  <20150426123629.GA48916@admin.sibptus.tomsk.ru>
In-Reply-To: <553C1F66.4060901@gmx.com>
References:  <20150425174935.GA48023@admin.sibptus.tomsk.ru> <553C1F66.4060901@gmx.com>

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Nikos Vassiliadis wrote:
> >
> > Could you advise a solution for tunneling L2 (Ethernet) traffic over IP?
> >
> > There is a solution in bridge(4) using the EtherIP protocol, but it
> > works with untagged frames only. I need to tunnel 802.1q tagged frames
> > as well.
> >
> > Any ideas?
> >
> >
> You can do this with netgraph. Check this post:
> 
> http://lists.freebsd.org/pipermail/freebsd-net/2005-October/008861.html
> 

It's a modification of the /usr/share/examples/netgraph/ether.bridge
script. How do you know that it would pass 802.1q tagged frames? It
references a "fxp0" interface which passes untagged traffic unless a
vlan(4) interface is configured on top thereof.

I thought there would be a VPN solution involving tap(4) devices or
something. 

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
sip:sudakov@sibptus.tomsk.ru



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