VMS Help LANCP, SET, DEVICE parameters, Qualifiers, /ALL  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Sets data for all LAN devices. If you specify a device name, all
    matching LAN devices are selected, for example: E to select all
    Ethernet devices, F for FDDI, I for Token Ring, EW to select all
    Ethernet PCI Tulip devices.