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How to configure DHCP Option 43 for Cisco Lightweight Access Points

In this post I covered the DHCP Option 43 configuration steps for Cisco Aironet lightweight access points. The DHCP Option 43 is for add a Wireless LAN Controller IP address in DHCP server, after that Cisco Aironet lightweight access points will get a both IP address details and WLC IP address from DHCP server. This includes the DHCP Option 43 configuration for 1000, 1100, 1130, 1200, 1240 and 1300 series Cisco Aironet Access Points. We can configure the IP DHCP Server on Cisco Router or L3 Switch, we can add the DHCP Option 43 configuration in Cisco IOS DHCP server for use with Cisco Aironet lightweight access points. You can also configure DHCP Option 43 on Microsoft, Sun Solaris, Linux, and Lucent QIP DHCP servers. In DHCP Option 43, you should use the IP address of the WLAN controller management interface. DHCP Option 43 is limited to one access point type per DHCP […]