On Tue, 2010-05-25 at 22:00 +0200, Jan Ceuleers wrote: > On 25/05/10 12:58, Yossi Ben Hagai wrote: > > Is it possible to force a fiber Ethernet NIC (Broadcom NetXtreme > > 1000SX) to have the link status as up, or in any other way be able to > > transmit even when there is no light received on the RX conductor? > > I have looked on ifup, ifconfig and ethtool man pages and didn't find > > such option. I guess it may also be possible on the driver level and > > would appreciate any hints. > > If such functionality existed, it would be a risk to nearby people's eyesight. > - Not sure I understand how it would hurt my eyes. I could not even think of any reason to have such functionality, but then I thought NetworkManager. If there is no link on an interface then NM will remove the IP address off that interface. Is the purpose of keeping it up to keep NM from removing the address? What would be the purpose of keeping the interface in the UP state if nothing was connected? -- To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
