How to insert link service

The link service allows the SNA server to communicate with host, peer, or downstream computers over Token Ring and Ethernet LANs.

Start the Microsoft SNA Server Manager.
In the left pane click the server on which the link service will be installed. On the Insert menu, click Link Service.
In the Insert Link Service dialog select Link Service i.e. DLC 802.2 Link Service and click Add.
In the Title box you can use the default title or type your own.
In the Adapter box, select the adapter card you are using.
Leave the remaining properties at their defaults or click Help for additional information.
Click OK and then click Finish in the Insert Link Service dialog.