Modifies the CONS NSAP Addresses attribute of the OSI Transport
    entity to include at least the specified NSAP or NSAPs.

    add  [node node-id] osi transport -
          cons nsap addresses {nsap[,nsap...]}

    CONS NSAP Addresses is a set of the valid NSAP addresses for use
    with CONS.  One or more NSAPs must be specified to run COTS over
    CONS.  See the DECnet-Plus Planning Guide for more information.