WLC 5520 network link indicator not showing

[Ram Chandra Murmu]

In WLC 5520 is conncetd with 10G link having AIR-CT6870-NIC-K9, operational all is ok but link state LED is not blinking. Please suggest what may be the error.

[Leo Laohoo]

Read the Release Notes of 8.1.  This is a known bug.

[prabhasm]

Hi Leo, Not getting the bug ID and workaround in release Notes 8.1. Can you please send us the links or bug ID for this issue.

[jtier]

Bug ID is CSCuw12472 

ymptom:
The expected behavior of Port Link Status/Activity LED:
Port-n Link Status : Green On-Link is up
Port-n Link Activity: Green blinking-Link activity

But, the LEDs works as follows:

When using 10G-LAG(SFP-H10GB-CU3M)
10G: Amber-on
Pwr OK: Amber-on
Port-n Link Status: off
Port-n Link Activity:off

When using 1G-LAG(GLC-T)
10G: Amber-off
Pwr OK: Amber-on
Port-n Link Status: off
Port-n Link Activity: Blinking-Amber

Conditions:
The reported symptoms and/or behavior occurs under normal operating conditions.

Workaround:
There is no confirmed workaround or resolution at this time.

Further Problem Description:
none