A network engineer is configuring a Cisco Wireless LAN Controller in order to find out more information about the devices that are connecting. This information must be sent to Cisco ISE to be used in

The correct answer is B. DHCP. The Cisco WLC can act as a DHCP proxy, intercepting DHCP requests from wireless clients and forwarding them to ISE. ISE's DHCP profiling probe reads attributes from these DHCP packets - such as the DHCP class identifier (Option 60) and requested parameter list - to fingerprint an

Profiler

Question

A network engineer is configuring a Cisco Wireless LAN Controller in order to find out more information about the devices that are connecting. This information must be sent to Cisco ISE to be used in authorization policies. Which profiling mechanism must be configured in the Cisco Wireless LAN Controller to accomplish this task?

Options

AICMP
BDHCP
CCDP
DDNS

How the community answered

(29 responses)

A
3% (1)
B
93% (27)
C
3% (1)

Explanation

The Cisco WLC can act as a DHCP proxy, intercepting DHCP requests from wireless clients and forwarding them to ISE. ISE's DHCP profiling probe reads attributes from these DHCP packets - such as the DHCP class identifier (Option 60) and requested parameter list - to fingerprint and classify the connecting device. This information is then used in ISE authorization policies. ICMP is used by ISE directly for ping-based profiling, not forwarded from the WLC. CDP is a Layer 2 protocol between Cisco infrastructure devices, not endpoints. DNS profiling is performed by ISE listening to DNS traffic, not a mechanism configured on the WLC to send data to ISE.

Topics

#Device Profiling#Cisco ISE#Cisco WLC#DHCP

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