ExtremeCloud IQ Controller Deployment Guide

Configuring Option 43

How to configure Option 43 on Windows Server 2012 R2.

Create Vendor Class

To create a vendor class using the Windows Server 2012 R2 DHCP, IPv4 server utility:

Go to Start > Administrative Tool > DHCP.
In the DHCP Server Utility, right-click the DHCP server icon and select Define Vendor Classes.
You will create a new vendor class to program the DHCP server to recognize the VCI ExtremeWireless <AP model name>.
Define Vendor Classes

The DHCP Vendor Classes window displays.
DHCP Vendor Classes
To create the new class, select Add.
The New Class dialog displays.
Provide a Display Name and Description for the vendor class.
Select the ASCII field and type the VCI for the specific AP. For example, type AP410 for an AP410i.
The ID and Binary values are populated.
VCI AP410
Select OK.
The new class is created.
Vendor Classes
Select Close.

Configure the vendor class that you just created under Create Vendor Class.

Go to Start > Administrative Tool > DHCP.
In the DHCP server utility, right-click the server icon and select Set predefined options.
Here we will add an entry for the WLAN controller sub-option for the newly created vendor class. The sub-option code type and the data format is used to deliver the vendor specific information to the APs.
Set Predefined Options

Predefined Options and Values
In the Option class field, select the value you configured for the vendor class and select Add.
The Option Type window displays.
Option Type
Configure the following parameters:

Name

Name of the VCI option.

Data Type

Select String.

Code

Sub-option value 1

Description

(Optional) Enter a description.
Select OK.
The new predefined option is displayed in the Predefined Options and Values window.
Select OK.
You have created the vendor class and sub-option type needed in order to support controller discovery.