[Noisebridge-discuss] Linux Ethernet-over-IP tunnels

[Rodney Thayer]

yeah yeah yeah whine about routing over tunnels.  That's so 1999.

Seriously, though, I would have thought that Quagga or something would 
be sufficiently clueful to gracefully operate over MPLS paths.

Jonathan Lassoff wrote:
> Excerpts from Rodney Thayer's message of Sat Sep 12 09:58:09 -0700 2009:
>> ok someone else already used "sexy" and "ethernet frame" in the same 
>> post so I can do it too ;-)
>>
>> I believe another sexy way to do this is to run MPLS and let the kernel 
>> pump the frames over IP just like an MPLS cloud would.  I've not done 
>> this.  I just checked and there was (as of Fedora 8...) some MPLS Linux 
>> kernel work.
> 
> Using MPLS as a network-layer-ish forwarding mechanism makes sense for
> what I'm doing. In fact, it's what I'm trying to replace. :)
> 
> There's some limited vendor support for using multiprotocol BGP to
> compute a topological mesh of MPLS-labeled tunnels between provider-edge
> routers. Perfect for scaling out "virtual" LANs. But this requires
> expensive hardware and software, so I'm trying to see if I can make
> something similar with free software.
> 
>>From what I can find (mind you I've yet to give this an actual test),
> Linux supports forwarding/routing MPLS labeled frames, but doesn't yet
> support Martini-draft style encapsulation of arbitrary data link layer
> formats.
> 
> Looks like some code needs to be written :)
> 
> --j
>