When using a VPN-enabled WLAN controller, what are some
performance-limiting factors?

A.
Each VPN tunnel must have one x.509 certificate
B.
Encrypted throughput of the WLAN controller
C.
Support for VPN protocols that carry non-IP data packets
D.
The maximum number of tunnel terminations supported by the WLAN controller
E.
Support for private IP addresses inside VPN tunnels