/MAP=(MULTICAST_ADDRESS=address, FUNCTIONAL_ADDRESS=address)
       /NOMAP=(MULTICAST_ADDRESS=address)

    Maps a standard multicast address to a functional address.
    Token ring devices do not support IEEE 802 standard globally
    defined group addresses. They do support functional addresses. A
    functional address is a locally administered group address that
    has 31 possible values. Each functional address sets one bit in
    the third through sixth byte of the address and bytes 1 and 2 are
    03-00 (C0:00 in bit reversed format).

    The /NOMAP=(MULTICAST_ADDRESS=address) qualifier, clears the
    mapping established for the specified address.

    Specify the functional address as follows:

    o  The MULTICAST_ADDRESS argument requires a standard 6-byte
       multicast address.

    o  The FUNCTIONAL_ADDRESS argument requires only the last 4
       bytes of the functional address (the preceding 03-00 bytes
       are automatically prefixed).

    o  The address variable, given as hexadecimal byte characters
       separated by hyphens, specifies the canonical form of the
       address. Use a colon as the separator character to indicate
       the bit-reversed form of the address.

    For example, to map the multicast address CB-00-01-02-03-04 to
    the functional address 03-00-00-80-00-00 on the Token Ring device
    IRA0, enter the following command:

    SET DEVICE IRA0/MAP=(MULTI=CB-00-01-02-03-04,FUNCT=00:01:00:00)

    For the default address mapping, see the following table or issue
    the command SHOW DEVICE/MAP device-name.

                       Functional
    Multicast Address  Address            Description

    09-00-2B-00-00-04  03-00-00-00-02-00  ISO ALL ES
    09-00-2B-00-00-05  03-00-00-00-01-00  ISO ALL IS
    CF-00-00-00-00-00  03-00-00-08-00-00  Loopback Assistant
    AB-00-00-01-00-00  03-00-02-00-00-00  DNA MOP Dump/Load
    AB-00-00-02-00-00  03-00-04-00-00-00  DNA MOP Remote Console
    AB-00-00-03-00-00  03-00-08-00-00-00  DNA L1 Routers
    09-00-2B-02-00-00  03-00-08-00-00-00  DNA L2 Routers
    09-00-2B-02-01-0A  03-00-08-00-00-00  DNA Phase IV Primary Router
    AB-00-00-04-00-00  03-00-10-00-00-00  DNA Endnodes
    09-00-2B-02-01-0B  03-00-10-00-00-00  DNA Phase IV Prime Unknown
                                          Destination
    09-00-2B-00-00-07  03-00-20-00-00-00  PCSA NETBIOS Emulation
    09-00-2B-00-00-0F  03-00-40-00-00-00  LAT Service Advertisement
    09-00-2B-02-01-04  03-00-80-00-00-00  LAT Service Solicit
    09-00-2B-02-01-07  03-00-00-02-00-00  LAT Xwindown Service
                                          Solicit
    09-00-2B-04-00-00  03-00-00-04-00-00  LAST
    09-00-2B-02-01-00  03-00-00-00-08-00  DNA Name Service
                                          Advertisement
    09-00-2B-02-01-01  03-00-00-00-10-00  DNA Name Service Solicit
    09-00-2B-02-01-02  03-00-00-00-20-00  DNA Time Service
    03-00-00-00-00-01  03-00-00-00-00-01  NETBUI Emulation
    03-00-02-00-00-00  03-00-02-00-00-00  RIPL