Well, I ended up just deleted the DHCP scope and creating it again – which 
fixed the issue.  Not sure why as I triple checked the domain and DNS server in 
the old scope, which is a bit frustrating.


From: Jay Killion <[email protected]<mailto:[email protected]>>
Date: Tuesday, January 7, 2014 9:43 AM
To: 
"[email protected]<mailto:[email protected]>" 
<[email protected]<mailto:[email protected]>>
Subject: AP WLC Discovery - DNS

Hi all -

I'm having an issue getting my AP to discover the controller via DNS.  It pulls 
an IP, the correct domain, and then tries to resolve 
CISCO-CAPWAP-CONTROLLER.Proctorlabs.com.  It's trying to resolve at the correct 
IP (10.10.210.6), but just sits there till you get the "could not discover WLC 
using DHCP…" and the process starts over.

But here's the part that has me stumped…  From that AP, even while I'm waiting 
for it to try and resolve, I can successfully ping 
CISCO-CAPWAP-CONTROLLER.Proctorlabs.com.  Every single time, the AP resolves 
the name via DNS, gets the correct IP (10.10.112.20), and sends 5 successful 
pings.

So, I know I'm good L1 – 7 from AP to DNS server.  I've tried rebooting both 
the server and AP for sanity, but still no luck.  Any suggestions?

Jay Killion, CCIE #17873 R/S
_______________________________________________
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