Virtual WiFi on Linux?
greearb at candelatech.com
Wed Oct 19 16:32:42 EDT 2005
Jim Thompson wrote:
> On Oct 19, 2005, at 8:44 AM, Jean Tourrilhes wrote:
>> The IP routing of Linux is quite clever at shortcutting, I
>>don't see the issue.
> If I have IP addresses A, B and C on interfaces a, b and c, and I
> 'ping' any of them, will the packet leave the box?
> Now, if I have IP addresses A, B and C on three 'virtual netdevs' (a,
> b and c) and each of these is in a separate BSS, the *proper*
> behavior is that if I ping 'A' that the packet first goes out over
> the wireless media to the AP where 'a' is associated.
Yes, the packets can be made to leave the box. Search for send-to-self
in google... I have a patch that does this, and other folks have patches
that do similar things.
Currently you need user-space to do some ioctls and such, but it's not
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc http://www.candelatech.com
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