The transmit laser is going to be on regardless of the link status, since the far-end laser needs to be transmitting for the near end to see a link. Brad On Tue, May 25, 2010 at 13:00, Jan Ceuleers <jan.ceuleers@xxxxxxxxxxxx> 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. > -- > 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 > > -- 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
