> So you might want to save the MAC on device removal and > re-use it on the next insert. That gets interesting when you have multiple USB-Ethernet dongles. I have a machine with 20 of them, which i use for functional testing of Ethernet switches. Luckily for me, they all have a vendor assigned MAC address. > > [1] We ended up putting the USB interface inside a 'bond' > in order to stop the interface everything was using > randomly disappearing due to common-mode noise on the > USB data lines causing a disconnect. Maybe you should of just thrown the hardware away since it seems broken. Andrew