TE 4.2.9]
Hi everyone.
What I want to do is the following:
Let�s say, there are two buildings, A and B. Within each building there
is a wired network established and working. Now we want to connect
both networks, but using a wired link is not possible due to several
reasons. The connection should be transparent, using a bridge on
both sides (to be able of using more than only TCP/IP within this
new "big" network).
My first idea was: ok, let�s use a linux box at both sides that have a
"normal" nic (with Realtek�s RTL8139, for example) to connect with the
local lan and a wireless nic (Lucent WaveLAN/IEEE Turbo, which works
fine with Linux) that will be used to connect both linux boxes. They
could use the briding code that comes with the kernel and everything
would be fine...
But that did not work. The reason for that is, that "out of the box"
WaveLAN cards are not able to send packets with other than their own
MAC in it. (*)
Could any of the wizards inside here tell me, if this scenario would
work:
To establish the connection between both Linux boxes via wlan nics
a vpn-device will be used. Now, all the box has to do is to forward
any traffic that is received on the "wired" interface to the virtual
device. This send it over to the counterpart linux box. There it will
be passed over to the "wired" interface again. And vice versa, every
packet received from the virtual device will be passed to the "wired"
nic. So that would be something like "forwarded bridging" :)
In theory (at least for me) this could work as bridge between those
two networks.
Now, what about practice? Any ideas, hints, etc? Is there a software
available that is capable of doing such things, do I have to write it
on my own (which would be bad as I have no experience with network
programming up to now)?
Bye, Mike
(*): The same cards are used within Lucents WaveACCESS products, which
are able to act as a bridge. But they seem to load an additional
firmware into the wlan nics. Lucent does not document a bit on this
process, neither on the firmware nor on the process of uploading and
enabling the additional code.
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