You arein the right track!! Cisco APs can be powered up using power supply as well.. Make sure the End Of Sale and End of Life for 2100 WLC before buying.. Rest al are the new stuffs that you are planning to buy.. it not good to use Small office Home office Devices along with these high end. like connecting 2100 to CE 500 switches.. this will work but with struggle!! but if we struggle initially then later there wont be any issues..
if you are specific about WLC then its fine.. if not.. then you have the option of going for Autonomous APs which support N-Speeds (1252 or 1142) as well.
Transferring Crash file from standby: Login to the Active WLC in HA.
From CLI: (Cisco Controller) >transfer upload datatype crash (Cisco
Controller) >transfer upload filename (Cisco
Controller) >transfer upload mode tftp (Cisco Controller) >transfer
This is the start of a display filter cross reference between Wireshark
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