Le 07. 08. 11 17:22, Arnaud a écrit : and with ethtool ? (or mii-tool depending of the hardware) ethtool -p eth0 10 (or more time) to make it blink, this could help identify the card in the blades. lspci -tv , should tell you the PCI number (but as you said), not sure it can help or not with blades server.