https://community.cisco.com/t5/wireless/error-fail-to-bring-ethernet-link-up/m-p/692914#M213974 <P>I have a Cisco 1231 AP </P><P>I teach a class on wireless communication</P><P></P><P>The students have erased flash and now we are going to load an IOS image, however, the ether_init command responds with the following message</P><P> </P><P>ap: ether_init</P><P>Initializing ethernet port 0...</P><P>Reset ethernet port 0...</P><P>Reset done!</P><P>link auto-negotiating....</P><P>auto-negotiation takes 3745 milli-seconds to complete</P><P>auto-negotiate: detect remote fault</P><P>ERROR: fail to bring ethernet link up</P><P></P><P>we cannot load the image with tftp and our ethernet port seems to be dead.</P><P></P><P>Any ideas</P> Sat, 03 Jul 2021 20:32:00 GMT waldvoge 2021-07-03T20:32:00Z https://community.cisco.com/t5/wireless/error-fail-to-bring-ethernet-link-up/m-p/692914#M213974 <P>I have a Cisco 1231 AP </P><P>I teach a class on wireless communication</P><P></P><P>The students have erased flash and now we are going to load an IOS image, however, the ether_init command responds with the following message</P><P> </P><P>ap: ether_init</P><P>Initializing ethernet port 0...</P><P>Reset ethernet port 0...</P><P>Reset done!</P><P>link auto-negotiating....</P><P>auto-negotiation takes 3745 milli-seconds to complete</P><P>auto-negotiate: detect remote fault</P><P>ERROR: fail to bring ethernet link up</P><P></P><P>we cannot load the image with tftp and our ethernet port seems to be dead.</P><P></P><P>Any ideas</P> Sat, 03 Jul 2021 20:32:00 GMT https://community.cisco.com/t5/wireless/error-fail-to-bring-ethernet-link-up/m-p/692914#M213974 waldvoge 2021-07-03T20:32:00Z