Just incase someone else is searching for this information. https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/qos_auto/configuration/15-mt/qos-auto-15-mt-book/qos-auto-voip.html
Frame Relay DLCI Restrictions
The AutoQoS—VoIP feature cannot be configured on a Frame Relay DLCI if a map class is attached to the DLCI. If a Frame Relay DLCI is already assigned to one subinterface, the AutoQoS—VoIP feature cannot be configured f...
Serial Interface Restrictions
For a serial interface with a low-speed link, Multilink PPP (MLP) is configured automatically. The serial interface must have an IP address. When MLP is configured, this IP address is removed and put on the MLP bundle....
show module to see if its listed as unknown. https://learningnetwork.cisco.com/thread/73753
Try this maybe if you can, https://www.cisco.com/c/en/us/support/docs/switches/catalyst-6500-series-switches/24053-193.html#subtopic2a
show diagnostics mod...
Supervisor Engine 2T Front Panel Status LEDs
LED
Color and Meaning
STATUS
The STATUS LED indicates the status of the supervisor engine.
Green—All diagnostics pass. The supervisor engine is operational (normal initialization sequence).
Orange—T...
