Cisco Catalyst 3650 series Command Reference Manual page 848

show radius server-group
Field
sg_unconfigured
Type
Memlocks
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
822
Description
Server group has been unconfigured.
The type can be either standard or nonstandard. The
type indicates whether the servers in the group accept
nonstandard attributes. If all servers within the group
are configured with the nonstandard option, the type
will be shown as "nonstandard".
An internal reference count for the server-group
structure that is in memory. The number represents
how many internal data structure packets or
transactions are holding references to this server
group. Memlocks is used internally for memory
management purposes.