Multiple SSID Wireless Issue

Hi i am setting up cisco WAP321 wirlesss access points and i have few issues that i am having difficulty resolving.

Please see the Attached file for screen shots of the "Access Point" and the "Switch" Configuration
Firstly when i setup the SSID i can connect to it but cannot obtain ip address.
In order for me obtain the ip address i change the settings in the access point from : "Untag Vlan ID: (from 1 to 3)"  Now the clients obtain ip address and can access the internet. However i lose the connectivity to manage the Access Point from my PC

My Switch (Cisco SG300)  ports are configured with  Vlan 3 untagged (PVID)  and vlan 11 Tagged (guest wireless SSID)
All Ports on the Switch are TRUNK Ports

The small Network consist of (1) CISC0 ASA5505 (firewall) ---> (1) Cisco SG300 (Switch)  --> (3) Cisco WAP321
Windows server 2012 (DHCP)

First of all, how do i achieve access to WAP321(Access Point)
Secondly  how do i configure the Windows DCHP Server to issue ip addresses on the Second VLAN (11) "Guest Wireless"

thanks in advance
Cisco-Access-Points-Issue.docx
icdl101Asked:
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arnoldCommented:
Since you are vlaning the various SSID, you need to use a cisco dhcp helper to proxy the DHCP packets to the DHCP server where you have multiple scopes defined.

vlan11 DHCP requests remain on the wap since there is nothing else connected on the vlan 11 to hear it. VLAN boundary prevents the DHCP packet from reaching the windows 2012 DHCP.
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icdl101Author Commented:
So i have to put the DHCP helper  address on the ASA 5505 as that is the Gateway.

So if the native vlan is VLAN 3,  Subnet 192.168.147.x  i will use the 192.168.147.250 (DHCP Server) as the DHCP helper address ?

Plus i will have to configure the ASA 5505 interface connecting to the switch as TRUNK port  and adding vlan 11 to it as TAGGED. Correct?
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icdl101Author Commented:
I didnt i realised i had this open for so long. sorry about that.
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