set  [node node-id] routing egp group group-name ...

    Modifies the attributes of a routing egp group entity, which
    defines a set of systems in the same autonomous system with which
    this system may exchange EGP messages.  The modifiable attributes
    and their data types [in brackets] are:

    autonomous system number [integer]
    external routes [set of send,receive]
    maximum active neighbors [integer]
    receive metric class [internal or external]
    send local metric [integer]
    send metric classes [set of external,internal]
    send replacement metric [integer]