Dell POWEREDGE M1000E - Manual (Page 661)

Fabric OS Message Reference 639
53-1002749-01
NSM-1020
5
NSM-1020
Message Interface <InterfaceName> is administratively down.
Message Type LOG
Severity INFO
Probable Cause Indicates that the administrative status of the specified interface has changed to down.
Recommended
Action
No action is required.