[c-nsp] 3845 & NM-WLC config questions

[matthew zeier]

I'm confused as to how to configure a NM-WLC in a 3845 to support two SSIDs, 
one on an inside network behind WPA/RADIUS and the other on an outside, open, 
network.

My inside network is Vlan200, 10.250.2.0/24.  My outside network is 
206.80.95.0/24.  This router is currently supporting wired users in both those 
networks.

My network is roughly:

                          /--- AP1
C3845 ---dot1q--- C2960 -
                          \--- AP2

So the actual APs are connected to separate switch where wired users live.

I have the following interfaces defined on the router:

interface GigabitEthernet0/0.4
  description public network
  encapsulation dot1Q 4
  ip address 206.80.95.2 255.255.255.0
end

interface GigabitEthernet0/0.200
  encapsulation dot1Q 200
  ip address 10.250.2.254 255.255.255.0
  ip nat inside
  ip virtual-reassembly
end

I'm stuck at the initial config of the NM-WLC.  If I try to configure wlan1/0 
on the same network as gi0/0.200, I get an address overlap error.  Do I have 
to carve out a separate network/Vlan for the APs?  And a separate one for 
wlan1/0, management and ap-manager?

After creating an SSID and associating it with a Vlan,  how to get those 
wireless users to talk to my wired users?

http://tinyurl.com/y6d65y makes it look like I need IRB but that's not really 
clear to me.

Thanks for any pointers.