ls, i have a problem with linux bridging. Out of 4 bridges, al bridging a tap interface (for a virtual machine) with a pysical interface, 2 work fine, and 2 don't. the ones that don't work: - are sitecom LN-013 usb nic interfaces (1 of the working ones is another type of usb interface) - can ping from tap to the bridge ip, and from bridge ip to tap - can ping from (nic connected to) eth to the bridge ip, and from the bridge ip to nic connected to eth - CANNOT ping from (nic connected to) eth to tap or vice versa. - CAN get a ip over DHCP for a nic connected to eth, from the DHCP server on the tap (??) 2 other bridges on same machine, same config (except for the physical interface) work fine. i've read some reports some drivers are not up to bridging. I tried swapping the non-working 'eth2' with the working 'eth3', which confirmed the problem is in the LS-013 USB interface. - can anyone confirm the problem is in the LN-013 USB interfaces? - is there any other way I can check wether the problem really is in the LN-013? thanks for any help. -- Robbert Wethmar amsterdam eml robbert at wethmar.nl