[Simh] Ethernet over GRE

[Mark Pizzolato - Info Comm]

Hmm…

Well, although this is an interesting way to have two systems to communicate, it doesn’t solve the original question of having a simulator talking to the internet over a host system WiFi connection.  It looks like it could be used in lieu of VDE, but I don’t see immediate advantages and it isn’t an option for OS X or Windows host systems.

From the examples provided it seems that simh could already use it via the existing built-in tun/tap support.


-          Mark

On Monday, October 5, 2015 at 12:31 PM, Sergey Oboguev wrote:


Aside from VDE, in Linux host network another option is Ethernet over GRE, e.g.:

http://blog.asiantuntijakaveri.fi/2012/01/layer-2-over-layer-3-using-linux-built.html
http://askubuntu.com/questions/314892/ethernet-over-gre
https://lwn.net/Articles/303062
http://www.kanadas.com/program-e/2013/02/two_types_of_gre_tunneling_con.html
http://baturin.org/docs/iproute2/#Create%20a%20gretap%20%28ethernet%20over%20GRE%29%20device

I have not personally tried it, so cannot tell if it works well, but the advantage is that the capability is built into standard Linux distribution and does not require layered software.
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