Graded Answers
What do the MC and AP use to interact via the control plane?
PAPI (UDP 8211)
1 multiple choice option
What does CPSec do to the management traffic?
It encrypts it using IPSec
Explain the frame flow in the following picture.
What must an AP acquire before it can establish the GRE and PAPI control planes?
IP address
Netmask
Default Gateway
DNS server
Controller's IP
2 multiple choice options
What constitutes the default name for each AP?
Its wired MAC address
2 multiple choice options
What AP-Group do the APs default to?
To the default AP-Group
What are the 5 methods for an AP to discover it's LMS (Local Mobility Switch (MC))
-Static (configuring from cpboot)
-DHCP option 43 (if network is capable)
-ADP broadcast (255.255.255.255)
-ADP multicast to (239.0.82.11)
-Reverse DNS lookup
2 multiple choice options
What happens after the AP obtains the MC's IP address?
The AP will send the MC information about it's ap-group and name. The MC will then send back any
preexisting configuration information.
2 multiple choice options
What is the minimum configuration that the MC sends to the AP?
The default config and IP address of the MC that terminates the GRE tunnels (LMS)