rfc1316.txt

著名的RFC文档,其中有一些文档是已经翻译成中文的的.

                    ranges between 1 and the value of charNumber.  By
                    convention and if possible, hardware port numbers
                    come first, with a simple, direct mapping.  The
                    value for each port must remain constant at least
                    from one re-initialization of the network management
                    agent to the next."
                ::= { charPortEntry 1 }

            charPortName OBJECT-TYPE
                SYNTAX DisplayString (SIZE (0..32))
                ACCESS read-write
                STATUS mandatory
                DESCRIPTION
                    "An administratively assigned name for the port,
                    typically with some local significance."



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RFC 1316                     Character MIB                    April 1992


                ::= { charPortEntry 2 }

            charPortType OBJECT-TYPE
                SYNTAX INTEGER { physical(1), virtual(2) }
                ACCESS read-only
                STATUS mandatory
                DESCRIPTION
                    "The port's type, 'physical' if the port represents
                    an external hardware connector, 'virtual' if it does
                    not."
                ::= { charPortEntry 3 }

            charPortHardware OBJECT-TYPE
                SYNTAX AutonomousType
                ACCESS read-only
                STATUS mandatory
                DESCRIPTION
                    "A reference to hardware MIB definitions specific to
                    a physical port's external connector.  For example,
                    if the connector is RS-232, then the value of this
                    object refers to a MIB sub-tree defining objects
                    specific to RS-232.  If an agent is not configured
                    to have such values, the agent returns the object
                    identifier:

                        nullHardware OBJECT IDENTIFIER ::= { 0 0 }
                    "
                ::= { charPortEntry 4 }

            charPortReset OBJECT-TYPE
                SYNTAX INTEGER { ready(1), execute(2) }
                ACCESS read-write
                STATUS mandatory
                DESCRIPTION
                    "A control to force the port into a clean, initial
                    state, both hardware and software, disconnecting all
                    the port's existing sessions.  In response to a
                    get-request or get-next-request, the agent always
                    returns 'ready' as the value.  Setting the value to
                    'execute' causes a reset."
                ::= { charPortEntry 5 }

            charPortAdminStatus OBJECT-TYPE
                SYNTAX INTEGER { enabled(1), disabled(2), off(3),
                                 maintenance(4) }
                ACCESS read-write
                STATUS mandatory
                DESCRIPTION



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RFC 1316                     Character MIB                    April 1992


                    "The port's desired state, independent of flow
                    control.  'enabled' indicates that the port is
                    allowed to pass characters and form new sessions.
                    'disabled' indicates that the port is allowed to
                    pass characters but not form new sessions.  'off'
                    indicates that the port is not allowed to pass
                    characters or have any sessions. 'maintenance'
                    indicates a maintenance mode, exclusive of normal
                    operation, such as running a test."
                ::= { charPortEntry 6 }

            charPortOperStatus OBJECT-TYPE
                SYNTAX INTEGER { up(1), down(2),
                                 maintenance(3), absent(4), active(5) }
                ACCESS read-only
                STATUS mandatory
                DESCRIPTION
                    "The port's actual, operational state, independent
                    of flow control.  'up' indicates able to function
                    normally.  'down' indicates inability to function
                    for administrative or operational reasons.
                    'maintenance' indicates a maintenance mode,
                    exclusive of normal operation, such as running a
                    test.  'absent' indicates that port hardware is not
                    present.  'active' indicates up with a user present
                    (e.g. logged in)."
                ::= { charPortEntry 7 }

            charPortLastChange OBJECT-TYPE
                SYNTAX TimeTicks
                ACCESS read-only
                STATUS mandatory
                DESCRIPTION
                    "The value of sysUpTime at the time the port entered
                    its current operational state.  If the current state
                    was entered prior to the last reinitialization of
                    the local network management subsystem, then this
                    object contains a zero value."
                ::= { charPortEntry 8 }

            charPortInFlowType OBJECT-TYPE
                SYNTAX INTEGER { none(1), xonXoff(2), hardware(3),
                                 ctsRts(4), dsrDtr(5) }
                ACCESS read-write
                STATUS mandatory
                DESCRIPTION
                    "The port's type of input flow control.  'none'
                    indicates no flow control at this level or below.



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RFC 1316                     Character MIB                    April 1992


                    'xonXoff' indicates software flow control by
                    recognizing XON and XOFF characters.  'hardware'
                    indicates flow control delegated to the lower level,
                    for example a parallel port.

                    'ctsRts' and 'dsrDtr' are specific to RS-232-like
                    ports.  Although not architecturally pure, they are
                    included here for simplicity's sake."
                ::= { charPortEntry 9 }

            charPortOutFlowType OBJECT-TYPE
                SYNTAX INTEGER { none(1), xonXoff(2), hardware(3),
                                 ctsRts(4), dsrDtr(5) }
                ACCESS read-write
                STATUS mandatory
                DESCRIPTION
                    "The port's type of output flow control.  'none'
                    indicates no flow control at this level or below.
                    'xonXoff' indicates software flow control by
                    recognizing XON and XOFF characters.  'hardware'
                    indicates flow control delegated to the lower level,
                    for example a parallel port.

                    'ctsRts' and 'dsrDtr' are specific to RS-232-like
                    ports.  Although not architecturally pure, they are
                    included here for simplicy's sake."
                ::= { charPortEntry 10 }

            charPortInFlowState OBJECT-TYPE
                SYNTAX INTEGER { none(1), unknown(2), stop(3), go(4) }
                ACCESS read-only
                STATUS mandatory
                DESCRIPTION
                    "The current operational state of input flow control
                    on the port.  'none' indicates not applicable.
                    'unknown' indicates this level does not know.
                    'stop' indicates flow not allowed.  'go' indicates
                    flow allowed."
                ::= { charPortEntry 11 }

            charPortOutFlowState OBJECT-TYPE
                SYNTAX INTEGER { none(1), unknown(2), stop(3), go(4) }
                ACCESS read-only
                STATUS mandatory
                DESCRIPTION
                    "The current operational state of output flow
                    control on the port.  'none' indicates not
                    applicable.  'unknown' indicates this level does not



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RFC 1316                     Character MIB                    April 1992


                    know.  'stop' indicates flow not allowed.  'go'
                    indicates flow allowed."
                ::= { charPortEntry 12 }

            charPortInCharacters OBJECT-TYPE
                SYNTAX Counter
                ACCESS read-only
                STATUS mandatory
                DESCRIPTION
                    "Total number of characters detected as input from
                    the port since system re-initialization and while
                    the port operational state was 'up', 'active', or
                    'maintenance', including, for example, framing, flow
                    control (i.e. XON and XOFF), each occurrence of a
                    BREAK condition, locally-processed input, and input
                    sent to all sessions."
                ::= { charPortEntry 13 }

            charPortOutCharacters OBJECT-TYPE
                SYNTAX Counter
                ACCESS read-only
                STATUS mandatory
                DESCRIPTION
                    "Total number of characters detected as output to
                    the port since system re-initialization and while
                    the port operational state was 'up', 'active', or
                    'maintenance', including, for example, framing, flow
                    control (i.e. XON and XOFF), each occurrence of a
                    BREAK condition, locally-created output, and output
                    received from all sessions."
                ::= { charPortEntry 14 }

            charPortAdminOrigin OBJECT-TYPE
                SYNTAX INTEGER { dynamic(1), network(2), local(3),
                                 none(4) }
                ACCESS read-write
                STATUS mandatory
                DESCRIPTION
                    "The administratively allowed origin for
                    establishing session on the port.  'dynamic' allows
                    'network' or 'local' session establishment. 'none'
                    disallows session establishment."
                ::= { charPortEntry 15 }

            charPortSessionMaximum OBJECT-TYPE
                SYNTAX INTEGER
                ACCESS read-write
                STATUS mandatory



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RFC 1316                     Character MIB                    April 1992


                DESCRIPTION
                    "The maximum number of concurrent sessions allowed
                    on the port.  A value of -1 indicates no maximum.
                    Setting the maximum to less than the current number
                    of sessions has unspecified results."
                ::= { charPortEntry 16 }

            charPortSessionNumber OBJECT-TYPE
                SYNTAX Gauge
                ACCESS read-only
                STATUS mandatory
                DESCRIPTION
                    "The number of open sessions on the port that are in
                    the connecting, connected, or disconnecting state."
                ::= { charPortEntry 17 }

            charPortSessionIndex OBJECT-TYPE
                SYNTAX INTEGER
                ACCESS read-only
                STATUS mandatory
                DESCRIPTION
                    "The value of charSessIndex for the port's first or
                    only active session.  If the port has no active
                    session, the agent returns the value zero."
                ::= { charPortEntry 18 }


            -- the Character Session table

            charSessTable OBJECT-TYPE
                SYNTAX SEQUENCE OF CharSessEntry
                ACCESS not-accessible
                STATUS mandatory
                DESCRIPTION
                    "A list of port session entries."
                ::= { char 3 }

            charSessEntry OBJECT-TYPE
                SYNTAX CharSessEntry
                ACCESS not-accessible
                STATUS mandatory
                DESCRIPTION
                    "Status and parameter values for a character port
                    session."
                INDEX { charSessPortIndex, charSessIndex }
                ::= { charSessTable 1 }





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RFC 1316                     Character MIB                    April 1992


            CharSessEntry ::=
                SEQUENCE {
                    charSessPortIndex
                        INTEGER,
                    charSessIndex
                        INTEGER,
                    charSessKill
                        INTEGER,
                    charSessState
                        INTEGER,
                    charSessProtocol
                        AutonomousType,
                    charSessOperOrigin
                        INTEGER,
                    charSessInCharacters
                        Counter,