PPPD$HELP.HLB  —  SET
    Sets the communication line characteristics for a specific
    terminal device.

    Format

      SET  device-name[:]

1  –  Parameter

 device-name

    Indicates the name of the device whose characteristics are to
    be set. The device name has the form ddcu where dd is the device
    code, c is the controller designation, and u is the unit number.
    LAN devices are specified as the name of the device that is unit
    0. For example, the first terminal device on a LAN is specified
    as TTA0, the second as TTB0.

2  –  Qualifiers

2.1    /ADDRESS_COMPRESSION

       /ADDRESS_COMPRESSION (default)
       /NOADDRESS_COMPRESSION

    Indicates whether the address and control fields are compressed.

2.2    /CLEAR_COUNTERS

       /CLEAR_COUNTERS=(keyword,...)

    Determines which counters to clear when trying to resolve
    performance problems. The default is to clear all counters. With
    this qualifier, you can specify one or more of the following
    keywords:

    Keyword          Description

    ALL              Resets all counters.
    BAD_FCS_PACKETS  Resets the count of packets with a bad frame
                     check sequence (FCS).
    DATA_LOST        Resets the count of lost characters that were
                     reported by hardware.
    DROPPED_         Resets the count of all characters thrown away.
    CHARACTERS
    FRAMING_ERRORS   Resets the count of characters with framing
                     errors.
    LONG_PACKETS     Resets the count of packets longer than the
                     current maximum receive unit (MRU) setting.
    RECEIVED_        Resets the count of total packets received.
    PACKETS
    RUNT_PACKETS     Resets the count of packets with too few
                     characters.
    TOTAL_           Resets the count of all characters received.
    CHARACTERS
    TRANSMITTED_     Resets the count of total packets transmitted.
    PACKETS

2.3    /CONNECT

    Sets the line parameters and binds the ASN device to the physical
    terminal.

2.4    /ECHO

       /ECHO=(FAILURE=value, INTERVAL=value)

    Specifies the number of Link Control Protocol (LCP) echo requests
    and the interval between requests that must be sent without
    response before the line is considered down. The default number
    of echo requests is 0.

2.5    /FLOW_CONTROL

       /FLOW_CONTROL=control-option

    Indicates the type of flow control used over the physical
    link. You can specify one of the following keywords with this
    qualifier:

    Keyword    Description

    HARDWARE   Uses RTS/CTS flow control. If using this control, the
               transmit Asynch Control Character Map (ACCM) can be
               0x0, 0x0, 0x0, 0x60000000. Only valid for lines set to
               /MODEM or /COMMSYNCH.
    XON_XOFF   Uses band flow control. If using this control, the
    (de-       optimal transmit ACCM is 0xA0000, 0x0, 0x0, 0x60000000.
    fault)     Only valid for asynchronous lines.

2.6    /HANGUP

       /HANGUP
       /NOHANGUP

    Determines the action that occurs when a session is terminated.
    This qualifier notifies the ASN driver when a modem hangup is
    necessary due to an idle device. For example, when the last
    network connection is closed on a transient line that is set
    to /NOHANGUP, the line switches back to the terminal driver but
    the modem remains connected. This allows users to reaccess the
    line and log in without having to redial and reestablish the
    connection.

    To use this qualifier, you must have PHY_IO privilege, or the
    line must have TT2$M_MODHANGUP already set.

2.7    /MAGIC_NUMBER_RETRIES

       /MAGIC_NUMBER_RETRIES=value

    Specifies the number of attempts made to negotiate a magic
    number. Magic numbers are used to detect looped back connections.
    If you specify 0, no negotiations are made. If you specify 255,
    negotiation continues until a number is found. The default number
    of attempts is 5.

2.8    /MAXCONFIGURE

       /MAXCONFIGURE=value

    Indicates the number of configure-request packets sent without
    receiving a valid configure-ack, configure-nak, or configure-
    reject before assuming the peer is unable to respond. Specify
    a value in the range of 0 to 255. The default number of packets
    sent is 10.

2.9    /MAXFAILURE

       /MAXFAILURE=value

    Indicates the number of configure-nak packets sent without
    receiving a valid configure-ack before assuming that the
    configuration is not converging. Specify a value in the range
    of 0 to 255. The default number of packets sent is 5.

2.10    /MAXTERMINATE

       /MAXTERMINATE=value

    Indicates the number of terminate-request packets sent without
    receiving a terminate-ack before assuming that the peer is unable
    to respond. Specify a value in the range of 0 to 255. The default
    number of packets is 2.

2.11    /MRU

       /MRU=size

    Specifies the largest packet that can be received over the line.
    This value is used as part of the line negotiation, and the
    actual MRU setting can vary. Specify a value in the range of 6
    to 1500. The default packet size is 1500.

2.12    /MTU

       /MTU=size

    Specifies the largest packet that can be transmitted over the
    line. This value is used as part of the line negotiation, and the
    actual maximum transfer unit (MTU) setting can vary. Specify a
    value in the range of 6 to 1500. The default packet size is 1500.

2.13    /NETWORK_PROTOCOL

       /NETWORK_PROTOCOL=(protocol-name)

    Specifies the the protocol allowed over the link. The default
    network protocol is TCP/IP.

2.14    /PASSIVE

       /PASSIVE
       /NOPASSIVE (default)

    Notifies the PPP driver how to handle the PPP connection. It can
    either actively initiate the connection or wait for the remote
    host to start the connection.

2.15    /PERMANENT

       /PERMANENT
       /NOPERMANENT

    Determines how the link is handled when a connection is closed or
    lost. If you specify /PERMANENT, the link remains in place with
    the PPP driver in control. If you specify /NOPERMANENT, the link
    is treated as a transient connection, and the terminal reverts to
    the terminal driver.

2.16    /PROTOCOL_COMPRESSION

       /PROTOCOL_COMPRESSION (default)
       /NOPROTOCOL_COMPRESSION

    Specifies whether the two octet protocol fields are compressed
    into a single octet.

2.17    /RECEIVE_ACCM

       /RECEIVE_ACCM=mask-value

    Identifies the starting Asynch Control Character Map (ACCM).
    This mask is used by the PPP driver to negotiate the final ACCM
    for asynchronous ports. Specify a mask in the range of 0x0 to
    0xFFFFFFFF. The default mask value is 0xFFFFFFFF, 0x0, 0x0,
    0x60000000, 0x0, 0x0, 0x0. The masks are ordered from low-order
    longword to high-order longword. Specify the longword mask until
    the last mask bits are set. The remaining longwords are set to
    0. With 8 longwords, there is 1 bit for every ASCII character
    position (from 0 to 255). The ASCII characters 0x20 through 0x3F
    and 0x5E cannot be quoted.

2.18    /RESTART_TIMER

       /RESTART_TIMER=msecs

    Interval in milliseconds (msecs) used to time the transmission
    of configure-request and terminate-request packets. Expiration of
    the restart timer results in a timeout event and retransmission
    of the packet. Specify a value from 1 to 90. The default is 30
    (.03 seconds), which is intended for relatively slow speed links.
    For smaller, faster links, specify a smaller value.

2.19    /SPEED

       /SPEED=(input-rate,output-rate)

    Allows you to control the input and output speed of the line for
    asynchronous ports. To use this qualifier, you must have PHY_IO
    privilege, or the line must already have TT2$M_SETSPEED set.

    Specify one of the following speeds: 50, 75, 100, 134, 150, 300,
    600, 1200, 1800, 2400, 3600, 4800, 7200, 9600, 19200, 38400,
    57600, 76800, or 115200. If your line allows split speed, you
    can specify different speeds for input and output. If you only
    specify one speed, it is used for both input and output.

2.20    /TRANSMIT_ACCM

       /TRANSMIT_ACCM=mask-value,...

    Identifies the starting Asynch Control Character Map (ACCM). This
    mask is used by the PPP driver to negotiate the final transmit
    ACCM for asynchronous ports. Specify a mask in the range of 0x0
    to 0xFFFFFFFF. The default mask value is 0xFFFFFFFF, 0x0, 0x0,
    0x60000000, 0x0, 0x0, 0x0. The masks are ordered from low-order
    longword to high-order longword. Specify the longword mask until
    the last mask bits are set. The remaining longwords are set to
    0. With 8 longwords, there is 1 bit for every ASCII character
    position (from 0 to 255). The ASCII characters 0x20 through 0x3F
    and 0x5E cannot be quoted.

    PPPD> SET/PERMANENT TTA0:
    %PPPD-I-CONNECTTERM, converting connection on device _TTA0: to a
    Point-to-Point connection

    In this example, the SET command is setting up a permanent
    network connection over the serial port TTA0.
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