Library /sys$common/syshlp/tcpip$ucp_help.hlb SET, CONFIGURATION, PROTOCOL, IP Qualifiers, /REASSEMBLY_TIMER  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /REASSEMBLY_TIMER=n

    Optional. Default: 7 seconds. Valid range: 1 to 126.

    Sets the maximum time for trying to reassemble a received
    datagram.