Symptom
Intermittent flapping on Ethernet interface
Conditions
AP models: 1542, 1815I
Code version: 8.5.131.0
Switchport speed operation: 100
Workaround
a) Disable EEE on the switch:
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3650/software/release/3se/consolidated_guide/configuration_guide/b_consolidated_3650_3se_cg/b_consolidated_3650_3se_cg_chapter_01100.html
b) Connect AP to Gigabit switchport
Further Problem Description
