Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
You could check whether you have enabled packet aggregation on the 802.11a radio.i.e. "config 802.11a 11nSupport a-mpdu tx priority 0 enable"Also, make sure you disable the UNII-2-Extended Channels. As some nics may not support the extended channels....
Do you have encryption turned on?Maybe try turning off encryption."Cisco 5500 series controllers enable you to encrypt CAPWAP control packets (and optionally CAPWAP data packets) that are sent between the access point and the controller using Datagra...
