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MonitorTools.com » Technical documentation » SNMP » MIB » RFC » RFC1317-MIB

RFC1317-MIB device MIB details by RFC

RFC1317-MIB file content

The SNMP protocol is used to for conveying information and commands between agents and managing entities. SNMP uses the User Datagram Protocol (UDP) as the transport protocol for passing data between managers and agents. The reasons for using UDP for SNMP are, firstly it has low overheads in comparison to TCP, which uses a 3-way hand shake for connection. Secondly, in congested networks, SNMP over TCP is a bad idea because TCP in order to maintain reliability will flood the network with retransmissions.

Management information (MIB) is represented as a collection of managed objects. These objects together form a virtual information base called MIB. An agent may implement many MIBs, but all agents must implement a particular MIB called MIB-II [16]. This standard defines variables for things such as interface statistics (interface speeds, MTU, octets sent, octets received, etc.) as well as various other things pertaining to the system itself (system location, system contact, etc.). The main goal of MIB-II is to provide general TCP/IP management information.

Use ActiveXperts Network Monitor 2024 to import vendor-specific MIB files, inclusing RFC1317-MIB.


Vendor: RFC
Mib: RFC1317-MIB  [download]  [view objects]
Tool: ActiveXperts Network Monitor 2024 [download]    (ships with advanced SNMP/MIB tools)
-- WinAgents MIB Extraction Wizard
-- Extracted from rfc1317.txt 16.03.2005 20:20:16

RFC1317-MIB DEFINITIONS ::= BEGIN

     IMPORTS
        Counter
                FROM RFC1155-SMI
        transmission
                FROM RFC1213-MIB
        OBJECT-TYPE
                FROM RFC-1212;

-- this is the MIB module for RS-232-like hardware devices

rs232    OBJECT IDENTIFIER ::= { transmission 33 }


-- the generic RS-232-like group

-- Implementation of this group is mandatory for all
-- systems that have RS-232-like hardware ports
-- supporting higher level services such as character
-- streams or network interfaces

rs232Number OBJECT-TYPE
SYNTAX INTEGER
ACCESS read-only
STATUS mandatory
DESCRIPTION
"The number of ports (regardless of their current
state) in the RS-232-like general port table."
::= { rs232 1 }


-- the RS-232-like general Port table

rs232PortTable OBJECT-TYPE
SYNTAX SEQUENCE OF Rs232PortEntry
ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"A list of port entries.  The number of entries is
given by the value of rs232Number."
::= { rs232 2 }

rs232PortEntry OBJECT-TYPE
SYNTAX Rs232PortEntry
ACCESS not-accessible

STATUS mandatory
DESCRIPTION
"Status and parameter values for a port."
INDEX { rs232PortIndex }
::= { rs232PortTable 1 }

Rs232PortEntry ::=
SEQUENCE {
rs232PortIndex
    INTEGER,
rs232PortType
    INTEGER,
rs232PortInSigNumber
    INTEGER,
rs232PortOutSigNumber
    INTEGER,
rs232PortInSpeed
    INTEGER,
rs232PortOutSpeed
    INTEGER    }

rs232PortIndex OBJECT-TYPE
SYNTAX INTEGER
ACCESS read-only
STATUS mandatory
DESCRIPTION
"A unique value for each port.  Its value ranges
between 1 and the value of rs232Number.  By
convention and if possible, hardware port numbers
map directly to external connectors.  The value for
each port must remain constant at least from one
re-initialization of the network management agent to
the next."
::= { rs232PortEntry 1 }

rs232PortType OBJECT-TYPE
SYNTAX INTEGER { other(1), rs232(2), rs422(3),
             rs423(4), v35(5) }
ACCESS read-only
STATUS mandatory
DESCRIPTION
"The port's hardware type."
::= { rs232PortEntry 2 }

rs232PortInSigNumber OBJECT-TYPE
SYNTAX INTEGER
ACCESS read-only
STATUS mandatory

DESCRIPTION
"The number of input signals for the port in the
input signal table (rs232PortInSigTable).  The table
contains entries only for those signals the software
can detect."
::= { rs232PortEntry 3 }

rs232PortOutSigNumber OBJECT-TYPE
SYNTAX INTEGER
ACCESS read-only
STATUS mandatory
DESCRIPTION
"The number of output signals for the port in the
output signal table (rs232PortOutSigTable).  The
table contains entries only for those signals the
software can assert."
::= { rs232PortEntry 4 }

rs232PortInSpeed OBJECT-TYPE
SYNTAX INTEGER
ACCESS read-write
STATUS mandatory
DESCRIPTION
"The port's input speed in bits per second."
::= { rs232PortEntry 5 }

rs232PortOutSpeed OBJECT-TYPE
SYNTAX INTEGER
ACCESS read-write
STATUS mandatory
DESCRIPTION
"The port's output speed in bits per second."
::= { rs232PortEntry 6 }


-- the RS-232-like Asynchronous Port group

-- Implementation of this group is mandatory if the system
-- has any asynchronous ports.  Otherwise it is not
-- present.

rs232AsyncPortTable OBJECT-TYPE
SYNTAX SEQUENCE OF Rs232AsyncPortEntry
ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"A list of asynchronous port entries.  The maximum
entry number is given by the value of rs232Number.

Entries need not exist for synchronous ports."
::= { rs232 3 }

rs232AsyncPortEntry OBJECT-TYPE
SYNTAX Rs232AsyncPortEntry
ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"Status and parameter values for an asynchronous
port."
INDEX { rs232AsyncPortIndex }
::= { rs232AsyncPortTable 1 }

Rs232AsyncPortEntry ::=
SEQUENCE {
rs232AsyncPortIndex
    INTEGER,
rs232AsyncPortBits
    INTEGER,
rs232AsyncPortStopBits
    INTEGER,
rs232AsyncPortParity
    INTEGER,
rs232AsyncPortAutobaud
    INTEGER,
rs232AsyncPortParityErrs
    Counter,
rs232AsyncPortFramingErrs
    Counter,
rs232AsyncPortOverrunErrs
    Counter

}

rs232AsyncPortIndex OBJECT-TYPE
SYNTAX INTEGER
ACCESS read-only
STATUS mandatory
DESCRIPTION
"A unique value for each port.  Its value is the
same as rs232PortIndex for the port."
::= { rs232AsyncPortEntry 1 }

rs232AsyncPortBits OBJECT-TYPE
SYNTAX INTEGER (5..8)
ACCESS read-write
STATUS mandatory
DESCRIPTION

"The port's number of bits in a character."
::= { rs232AsyncPortEntry 2 }

rs232AsyncPortStopBits OBJECT-TYPE
SYNTAX INTEGER { one(1), two(2),
             one-and-half(3), dynamic(4) }
ACCESS read-write
STATUS mandatory
DESCRIPTION
"The port's number of stop bits."
::= { rs232AsyncPortEntry 3 }

rs232AsyncPortParity OBJECT-TYPE
SYNTAX INTEGER { none(1), odd(2), even(3),
             mark(4), space(5) }
ACCESS read-write
STATUS mandatory
DESCRIPTION
"The port's sense of a character parity bit."
::= { rs232AsyncPortEntry 4 }

rs232AsyncPortAutobaud OBJECT-TYPE
SYNTAX INTEGER { enabled(1), disabled(2) }
ACCESS read-write
STATUS mandatory
DESCRIPTION
"A control for the port's ability to automatically
sense input speed.

When rs232PortAutoBaud is 'enabled', a port may
autobaud to values different from the set values for
speed, parity, and character size.  As a result a
network management system may temporarily observe
values different from what was previously set."
::= { rs232AsyncPortEntry 5 }

rs232AsyncPortParityErrs OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"Total number of characters with a parity error,
input from the port since system re-initialization
and while the port state was 'up' or 'test'."
::= { rs232AsyncPortEntry 6 }

rs232AsyncPortFramingErrs OBJECT-TYPE
SYNTAX Counter

ACCESS read-only
STATUS mandatory
DESCRIPTION
"Total number of characters with a framing error,
input from the port since system re-initialization
and while the port state was 'up' or 'test'."
::= { rs232AsyncPortEntry 7 }

rs232AsyncPortOverrunErrs OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"Total number of characters with an overrun error,
input from the port since system re-initialization
and while the port state was 'up' or 'test'."
::= { rs232AsyncPortEntry 8 }


-- the RS-232-like Synchronous Port group

-- Implementation of this group is mandatory if the system
-- has any synchronous ports.  Otherwise it is not
-- present.

rs232SyncPortTable OBJECT-TYPE
SYNTAX SEQUENCE OF Rs232SyncPortEntry
ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"A list of synchronous port entries.  The maximum
entry number is given by the value of rs232Number.
Entries need not exist for asynchronous ports."
::= { rs232 4 }

rs232SyncPortEntry OBJECT-TYPE
SYNTAX Rs232SyncPortEntry
ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"Status and parameter values for a synchronous
port."
INDEX { rs232SyncPortIndex }
::= { rs232SyncPortTable 1 }

Rs232SyncPortEntry ::=
SEQUENCE {
rs232SyncPortIndex

    INTEGER,
rs232SyncPortClockSource
    INTEGER,
rs232SyncPortFrameCheckErrs
    Counter,
rs232SyncPortTransmitUnderrunErrs
    Counter,
rs232SyncPortReceiveOverrunErrs
    Counter,
rs232SyncPortInterruptedFrames
    Counter,
rs232SyncPortAbortedFrames
    Counter
}

rs232SyncPortIndex OBJECT-TYPE
SYNTAX INTEGER
ACCESS read-only
STATUS mandatory
DESCRIPTION
"A unique value for each port.  Its value is the
same as rs232PortIndex for the port."
::= { rs232SyncPortEntry 1 }

rs232SyncPortClockSource OBJECT-TYPE
SYNTAX INTEGER  { internal(1), external(2), split(3) }
ACCESS read-write
STATUS mandatory
DESCRIPTION
"Source of the port's bit rate clock. 'split' means
the tranmit clock is internal and the receive clock
is external."
::= { rs232SyncPortEntry 2 }

rs232SyncPortFrameCheckErrs OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"Total number of frames with an invalid frame check
sequence, input from the port since system
re-initialization and while the port state was 'up'
or 'test'."
::= { rs232SyncPortEntry 3 }

rs232SyncPortTransmitUnderrunErrs OBJECT-TYPE
SYNTAX Counter
ACCESS read-only

STATUS mandatory
DESCRIPTION
"Total number of frames that failed to be
transmitted on the port since system
re-initialization and while the port state was 'up'
or 'test' because data was not available to the
transmitter in time."
::= { rs232SyncPortEntry 4 }

rs232SyncPortReceiveOverrunErrs OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"Total number of frames that failed to be received
on the port since system re-initialization and while
the port state was 'up' or 'test' because the
receiver did not accept the data in time."
::= { rs232SyncPortEntry 5 }

rs232SyncPortInterruptedFrames OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"Total number of frames that failed to be received
or transmitted on the port due to loss of modem
signals since system re-initialization and while the
port state was 'up' or 'test'."
::= { rs232SyncPortEntry 6 }

rs232SyncPortAbortedFrames OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"Number of frames aborted on the port due to
receiving an abort sequence since system
re-initialization and while the port state was 'up'
or 'test'."
::= { rs232SyncPortEntry 7 }


-- the Input Signal table

rs232InSigTable OBJECT-TYPE
SYNTAX SEQUENCE OF Rs232InSigEntry
ACCESS not-accessible

STATUS mandatory
DESCRIPTION
"A list of port input control signal entries."
::= { rs232 5 }

rs232InSigEntry OBJECT-TYPE
SYNTAX Rs232InSigEntry
ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"Input control signal status for a hardware port."
INDEX { rs232InSigPortIndex, rs232InSigName }
::= { rs232InSigTable 1 }

Rs232InSigEntry ::=
SEQUENCE {
rs232InSigPortIndex
    INTEGER,
rs232InSigName
    INTEGER,
rs232InSigState
    INTEGER,
rs232InSigChanges
    Counter
}

rs232InSigPortIndex OBJECT-TYPE
SYNTAX INTEGER
ACCESS read-only
STATUS mandatory
DESCRIPTION
"The value of rs232PortIndex for the port to which
this entry belongs."
::= { rs232InSigEntry 1 }

rs232InSigName OBJECT-TYPE
SYNTAX INTEGER { rts(1), cts(2), dsr(3), dtr(4), ri(5),
             dcd(6), sq(7), srs(8), srts(9),
             scts(10), sdcd(11) }
ACCESS read-only
STATUS mandatory
DESCRIPTION
"Identification of a hardware signal, as follows:

    rts    Request to Send
    cts    Clear to Send
    dsr    Data Set Ready
    dtr    Data Terminal Ready

    ri     Ring Indicator
    dcd    Received Line Signal Detector
    sq     Signal Quality Detector
    srs    Data Signaling Rate Selector
    srts   Secondary Request to Send
    scts   Secondary Clear to Send
    sdcd   Secondary Received Line Signal Detector
"
REFERENCE
"EIA Standard RS-232-C, August 1969."
::= { rs232InSigEntry 2 }

rs232InSigState OBJECT-TYPE
SYNTAX INTEGER { none(1), on(2), off(3) }
ACCESS read-only
STATUS mandatory
DESCRIPTION
"The current signal state."
::= { rs232InSigEntry 3 }

rs232InSigChanges OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"The number of times the signal has changed from
'on' to 'off' or from 'off' to 'on'."
::= { rs232InSigEntry 4 }


-- the Output Signal table

rs232OutSigTable OBJECT-TYPE
SYNTAX SEQUENCE OF Rs232OutSigEntry
ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"A list of port output control signal entries."
::= { rs232 6 }

rs232OutSigEntry OBJECT-TYPE
SYNTAX Rs232OutSigEntry
ACCESS not-accessible
STATUS mandatory
DESCRIPTION
"Output control signal status for a hardware port."
INDEX { rs232OutSigPortIndex, rs232OutSigName }
::= { rs232OutSigTable 1 }

Rs232OutSigEntry ::=
SEQUENCE {
rs232OutSigPortIndex
    INTEGER,
rs232OutSigName
    INTEGER,
rs232OutSigState
    INTEGER,
rs232OutSigChanges
    Counter
}

rs232OutSigPortIndex OBJECT-TYPE
SYNTAX INTEGER
ACCESS read-only
STATUS mandatory
DESCRIPTION
"The value of rs232PortIndex for the port to which
this entry belongs."
::= { rs232OutSigEntry 1 }

rs232OutSigName OBJECT-TYPE
SYNTAX INTEGER { rts(1), cts(2), dsr(3), dtr(4), ri(5),
             dcd(6), sq(7), srs(8), srts(9),
             scts(10), sdcd(11) }
ACCESS read-only
STATUS mandatory
DESCRIPTION
"Identification of a hardware signal, as follows:

    rts    Request to Send
    cts    Clear to Send
    dsr    Data Set Ready
    dtr    Data Terminal Ready
    ri     Ring Indicator
    dcd    Received Line Signal Detector
    sq     Signal Quality Detector
    srs    Data Signaling Rate Selector
    srts   Secondary Request to Send
    scts   Secondary Clear to Send
    sdcd   Secondary Received Line Signal Detector
"
REFERENCE
"EIA Standard RS-232-C, August 1969."
::= { rs232OutSigEntry 2 }




rs232OutSigState OBJECT-TYPE
SYNTAX INTEGER { none(1), on(2), off(3) }
ACCESS read-only
STATUS mandatory
DESCRIPTION
"The current signal state."
::= { rs232OutSigEntry 3 }

rs232OutSigChanges OBJECT-TYPE
SYNTAX Counter
ACCESS read-only
STATUS mandatory
DESCRIPTION
"The number of times the signal has changed from
'on' to 'off' or from 'off' to 'on'."
::= { rs232OutSigEntry 4 }

END