03-07-2014 07:42 AM
I have an AP175P that was up and stable for about 6 months and then unexpectedly went down. In troubleshooting the issue I found that it will only power off of a midspan injector. A standard PoE+ line won't power it. When it boots it tries to TFTP an update. When doing so it gives the output of "T UDP wrong checksum" followed by the checksum number(s). It then reboots and does the same thing repeatedly. When looking for the master controller it doesn't find it but rather cycles through our local controllers. Any ideas?
03-07-2014 07:57 AM - edited 03-07-2014 08:00 AM
If its only opreated by midspan POE - It sound to me like a dead unit...I had it once (after a thunder storm / grounding didnt helped so much) (With the same unit)
Before contacting TAC u may also try to get the unit contact controller,Just stop the unit at boot (keep pressing enter while unit is starting to get power) and enter boot enviroment of master / serverip manully:
setenv master your-master-address
setenv serverip your-master-address
The POE issue - u worte..and checksum ...seems to me like D.O.A unit - Please contact TAC for further debug & offical answer.
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03-09-2014 11:26 AM