If a Remote AP (RAP) is attempting to contact a controller that is behind a NAT device what protocol must be allowed through the NAT/Firewall?
A. PAPI
B. NATT
C. IPSec
D. SSH
E. GRE
If a Remote AP (RAP) is attempting to contact a controller that is behind a NAT device what protocol must be allowed through the NAT/Firewall?
A. PAPI
B. NATT
C. IPSec
D. SSH
E. GRE