Hi Vicente, I struggled a bit with the virtual machines, as shared folders are currently not working in VirtualBox on Linux, and some network interfaces were listening to 2 ip addresses, even to one that was assigned to another machine. Now networking with forwarding and masquerading/port translation works fine, with full-cone and port-restricted NAT. Currently I am setting up UDP whole punching between the two machines, which should work for these two NAT types.
Have a nice weekend, Max Am 27. Mai 2015 16:38:26 MESZ, schrieb Vicente Gonzalez <[email protected]>: Hi Max. Good ideas, go ahead! Best, Vi. On Tue, May 26, 2015 at 10:52 PM Max Mertens <[email protected] <mailto:[email protected]>> wrote: Hi Vicente, On 20.05.2015 23:38, Vicente Gonzalez wrote: > Please, check also (although the text isn't very accurate): > > http://www.ual.es/~vruiz/Investigacion/P2PSP/docs/main/WhitePaper/HTML/indexsu9.xht#x18-140004.9 <http://www.ual.es/%7Evruiz/Investigacion/P2PSP/docs/main/WhitePaper/HTML/indexsu9.xht#x18-140004.9> > <http://www.ual.es/%7Evruiz/Investigacion/P2PSP/docs/main/WhitePaper/HTML/indexsu9.xht#x18-140004.9> > > Regards, > Vi. Thanks. This gives a great overview over NAT difficulties and P2PSP specialties (splitter server). I have set up virtual machines (2 PCs, 2 routers) with host-only virtual network interfaces between them and iptables-based NATs. Now I will try different NAT traversal techniques on different NAT types/combinations, and gather the results in an overview. Besides this, I will try out traversing my home router as a real hardware example (which seems to have Restricted Cone NAT) from university. Regards, Max
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