Operation as the L2TP network server (LNS) for RAS clients

In order to configure the device as the L2TP network server (LNS) for authenticating RAS clients without configuring a RADIUS server in the device, you have two options:

  1. Under Communication > Remote sites > L2TP in the table L2TP endpoints, create an entry "DEFAULT".




    The entry for the IP address is "0.0.0.0", because the IP address of the L2TP-LAC is unknown to the device.

  2. Then, under Communication > Remote sites > L2TP in the table L2TP list, configure a "DEFAULT" entry.




    If the L2TP tunnel is to be connected permanently, set the short hold time to "9999".

  3. Alternatively, you make a separate entry for the RAS client (e.g., "CLIENT") under Communication > Remote sites > L2TP in the L2TP endpoints table.




  4. You then configure a new entry for the client under Communication > Protocols in the PPP list.




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