On Thu, Mar 24, 2011 at 9:45 AM, David Barton <[email protected]>wrote:
> When I run tunnel.py and configure the grX interface IP address I > noticed using ifconfig that a seemingly random MAC address is assigned to > the gr interface. Does ayone know if there is any logic to how the address > is created? > > Thanks, > Dave > tunnel.py uses the TUN/TAP interface. From my understanding, the kernel autogenerates a MAC address when you create a new tun/tap device. I don't know the actual internals of how it is generated though. You should be able to change the address using the SIOCSIFHWADDR option for ioctl(), though I haven't tried this myself on the device. Tom
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