In the AP Layer 3 controller discovery process, after the LWAPP Discovery Request is broadcast on a local subnet, what is the next step that the AP takes?
A.
Determine whether the controller responses are the primary controller.
B.
Send an LWAPP discovery request to controllers learned via OTAP if operational.
C.
Send an LWAPP response to the master controller if known.
D.
Wait 5 seconds and resend a Discovery Request to the local subnet.
https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/70333-lap-registration.html#anc7
1. After the LAP gets an IP address from the DHCP server, the LAP begins this discovery process:
A. The LAP broadcasts a Layer 3 LWAPP discovery message on the local IP subnet. Any WLC that is configured for Layer 3 LWAPP mode and that is connected to the same local subnet receives the Layer 3 LWAPP discovery message.
B. Each of the WLCs that receives the LWAPP discovery message replies with a unicast LWAPP discovery response message to the LAP.
2. LAPs use the Over-the-Air Provisioning (OTAP) feature in order to discover the WLC.
3. If the LAP was registered to a WLC in a previous deployment, the LAP maintains the list of WLC IP addresses locally in NVRAM.
4. You can also program DHCP servers to return WLC IP addresses in the vendor-specific "option 43" in the DHCP offer to LAPs.
5. Finally, you can also use the DNS server in order to return WLC IP addresses to the LAP.
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xtrattitude4u
5 years, 10 months ago