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Configuring Options for the LNS Inline Services Logical Interface

You must specify characteristics—dial-options—for each of the inline services logical interfaces that you configure for the LNS. LNS on MX Series routers supports only one session per logical interface, so you must configure it as a dedicated interface; the shared option is not supported. (LNS on M Series routers supports dedicated and shared options.) You also configure an identifying name for the logical interface that matches the name you specify in the access profile.

To configure the logical interface options:

  1. Access the inline services logical interface.
    [edit]user@host# edit interfaces si-fpc/pic/port unit logical-unit-number
  2. Specify an identifier for the logical interface.
    [edit interfaces si-fpc/pic/port unit logical-unit-number]user@host# set dial-options l2tp-interface-id name
  3. Configure the logical interface to be used for only one session at a time.
    [edit interfaces si-fpc/pic/port unit logical-unit-number]user@host# set dial-options dedicated
  4. Configure the address family for each logical interface and enable the local address on the LNS that provides local termination for the L2TP tunnel to be derived from the specified interface name.
    [edit interfaces si-fpc/pic/port unit logical-unit-number]user@host# set family inet unnumbered-address lo0.0

Published: 2012-11-29