But take note from the link @marce1000 shared: These controllers support Rate Limiting: 5508, 5520, WiSM-2, 3504, 7500 and 8500 series. On virtual controller platforms (vWLC), per-client downstream rate limiting is not supported in FlexConnect centra...

As you'll see in the link @marce1000 shared:"These controllers support Rate Limiting: 5508, 5520, WiSM-2, 3504, 7500 and 8500 series."2504 is not in that list. You are using an end of support product with limited capability.  If there's a business re...

The AP will always download the current image from the WLC.Each WLC software version maps to an AP image version.You can see the mapping at: https://www.cisco.com/c/en/us/td/docs/wireless/compatibility/matrix/compatibility-matrix.html#aireos-ctr_ap_s...

For reference the original bug was addressed by https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwd24606 Update to 17.9.5 or 17.12.3 for a start.