Can we configure management interface and WLAN in same VLAN ?. I need to configure management interface IP to 192.168.10.1 (GW192.168.10.254) and WLAN for users in same subnet. Is it possible ?
Yes... you can map the WLAN to the management interface.
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No , on 2504 you dont need it.
AP-manager interface – Not required for the Cisco 2500 Series Wireless Controller
The management interface is the default interface for in-band management of the controller and connectivity to enterprise services such as AAA servers. The management interface is also used for communications between the controller and APs. The management Interface is the only consistently "pingable" in-band interface IP address on the controller. The management interface will act like an AP manager interface by default.
The only time I would use an AP-Manager is working on the older equipment in which is was required. The newer equipment.... NO WAY.... Others have posted because they have reasons to believe that they need to isolate the AP traffic... nah.... doesn't work that way. As sandeep mentioned, everything has to hit the management interface anyway's, well with the newer equipment. DOn't even read the WLC 2504 basic configuration guide because it shows you the AP-Manager stuff which can get confusing and that's probably why people do it. Run at least v22.214.171.124 MR1 or v126.96.36.199 MR2 for stability.... only upgrade to v7.5 or v7.6 if you need features. At least on v7.4, you can LAG all 4 ports ont he 2504 and create an etherchannel on the switch.
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One of the main reason why I refuse to configure AP-Manager IP address on newer model of WLC is the amount of available IP address I have. In 4400/WiSM-1, you need to have two IP addresses (AP-Manager, Management) of the same subnet, one for Service port.
If I have to follow that now: One for Service port, two IP address (AP-Manager, Management) PLUS one for Redundancy ... No way.