[Bridge] Encrypting Bridge?

Josh Wyatt jdwyatt at joshua.raleigh.nc.us
Tue Aug 24 08:36:30 PDT 2004

Rene Bartsch wrote:
> On Di, 24.08.2004, 01:45, Francois Ambrosini sagte:
>>On Mon, 23 Aug 2004 10:31:26 -0700
>>Stephen Hemminger <shemminger at osdl.org> wrote:
>>>The encrypting bridge isn't a bad idea, just not sure it is worth
> maintaining
>>>yet another VPN solution.
>>IMHO, and in addition to what Rene Bartsch said, providing an encrypted
> tunnel at layer 2 can be really useful when it comes to bandwidth and/or
> latency matters.

There is already a tool to do layer-2 bridging with encryption.  Check out vtun:


I use it a great deal to do layer-2 bridging.  It works with the kernel tun/tap 
driver and works very well.  It can use TCP or UDP as the transport, offers 
compression, etc.  Key management is up to you, however.


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