Enabling RADIUS CoA and Disconnect Message handling

Describes enabling RADIUS CoA and Disconnect Message handling.

To enable RADIUS Disconnect Message and CoA handling, complete the following steps:

Enter global configuration mode.
Enter the aaa authorization coa enablecommand.
```
device(config)# aaa authorization coa enable
```
Configure the key between the CoA client and the device with the radius-client coa host command.
```
device(config)# radius-client coa host 10.24.65.6 
```