A ProfiNET management system operator is unable to see diagnostic information for a Cisco Industrial Ethernet switch that has been added to a SIMATIC management station. Based on the provided CLI output, which statement is correct?
switch# show profinet status
State : Enabled
Vlan : 201
Id : IE2000-Switch
Connected : Yes
ReductRatio : 128
GSD version : Mis-match
A. The assigned ProfiNET VLAN is not valid and should be less than 100
B. LLDP has been disabled on this switch
C. The GSD file version on the switch does not match the GSD file version on the management station
D. The Reduction Ration has been set too low
