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Adding and Managing OUI Data in Network Director

Network Director uses Link Layer Discovery Protocol (LLDP) to detect the type of network device (such as desktop computer, VoIP phone, or network servers) in a campus network. However, network printers are an exception as most printers do not use LLDP. As a result, Network Director might not be able to identify the device as a printer. This is where the organizationally unique identifier (OUI) of printers come into play. OUI is formed using the first three octets of the device MAC address. OUI is unique to a vendor or manufacturer and can be identified globally.

You can build a database of OUIs that Network Director can use to identify the device type. During the topology discovery, if the LLDP-based discovery does not identify the device type, Network Director looks up in the OUI database to see whether there is a match. If Network Director finds a matching entry, the device is notated as a printer in the network topology. If there is no match, the device is marked as an unknown device.

Procedure

To add and manage OUI data:

  1. While in the Build mode with Logical View selected, click Connectivity > Manage OUI from the Tasks pane.

    The Manage OUI page opens.

    Note: Network Director displays a list of well-known printer manufacturers and their OUI details in the Manage OUI page. Make sure that the details that you want to add are not already listed before you proceed with adding OUI data for your device.

  2. Click Add to add new OUI details to Network Director.

    The Add MAC OUI window opens.

  3. Enter the MAC OUI for the device that you want to add. The first three octets of a MAC address of the device forms the OUI. OUI is unique to a vendor or manufacturer and can be identified globally.
  4. Enter the name of the vendor and select the type of device.
  5. Click Save to save the OUI details and return to the Manage OUI page.
  6. To delete one or more OUI details, select the rows that you want to delete and click Delete.

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