09-25-2013 08:30 AM
No...this is not unusual in an enterprise wifi network. wireless is a shared half duplex medium as of today. In addition, using ARM, each AP will also be doing some minimal background scanning. Finally, ping is a low priority for the controller. Some drops are quite normal and expected. A better test is iPerf using TCP/UDP.
If it gets to be excessive, please see this thread for some guidance:
Consulting Systems Engineer - ACCX, ACDX, ACMX
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