Support: End
    Default: { }               Value: Set of LAN addresses

    The set of LAN addresses corresponding to routers that are
    permitted to be used for forwarding to this prefix. This
    attribute is supported only if the type characteristic is
    set to filter on broadcast circuits only. The default is
    an empty set, and at least one LAN address is required.

    set [node node-id] routing circuit circuit-name -
        reachable address simplename -
        permitted lan address {lan-address[,lan-address...]}

    Example:

    set routing circuit csmacd-1 reachable address to-area4 -
        type filter, -
        permitted lan address {aa-00-04-00-23-45,aa-00-04-00-BC-DE}