ITC/3AV WIKI

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====== Using DHCP Options 138 to Assign Wireless Controller IP Address to Fit AP ======

{{:microsoft:windows_server:scenario_dhcp_server_options_138.png?600|}}

**Example: Using Windows 2003 DHCP Server to setup DHCP options 138**

**Step 1:** Right-click and select "Set Predefined Options":

{{:microsoft:windows_server:dhcp_option_138_-_windows_server_1_.png?600|}}

**Step 2:** Press "Add" button:

{{:microsoft:windows_server:dhcp_option_138_-_windows_server_2_.png?600|}}

**Step 3:** Create a DHCP option 138 entry as below:

{{:microsoft:windows_server:dhcp_option_138_-_windows_server_3_.png?600|}}

**Step 4:** Right-click at 'Scope Options', and select "Configure Options":

{{:microsoft:windows_server:dhcp_option_138_-_windows_server_4_.png?600|}}

**Step 5:** Check DHCP Option 138 and add the AC IP address:

{{:microsoft:windows_server:dhcp_option_138_-_windows_server_5_.png?600|}}

{{:microsoft:windows_server:dhcp_option_138_-_windows_server_6_.png?600|}}

**Results:**

{{:microsoft:windows_server:dhcp_option_138_-_windows_server_7_.png?600|}}