tcp-mib

很不错java的SNMP应用例子

TCP-MIB DEFINITIONS ::= BEGIN

IMPORTS
    MODULE-IDENTITY, OBJECT-TYPE, Integer32, Unsigned32,
    Gauge32, Counter32, Counter64, IpAddress, mib-2
                                       FROM SNMPv2-SMI
    MODULE-COMPLIANCE, OBJECT-GROUP    FROM SNMPv2-CONF
    InetAddress, InetAddressType,
    InetPortNumber                     FROM INET-ADDRESS-MIB;

tcpMIB MODULE-IDENTITY
    LAST-UPDATED "200502180000Z"  -- 18 February 2005
    ORGANIZATION
           "IETF IPv6 MIB Revision Team
            http://www.ietf.org/html.charters/ipv6-charter.html"
    CONTACT-INFO
           "Rajiv Raghunarayan (editor)

            Cisco Systems Inc.
            170 West Tasman Drive
            San Jose, CA 95134

            Phone: [phone]
            Email: <[e-mail]>

            Send comments to <[e-mail]>"
    DESCRIPTION
           "The MIB module for managing TCP implementations.

            Copyright (C) The Internet Society (2005). This version
            of this MIB module is a part of RFC 4022; see the RFC
            itself for full legal notices."
    REVISION      "200502180000Z"  -- 18 February 2005
    DESCRIPTION
           "IP version neutral revision, published as RFC 4022."
    REVISION      "9411010000Z"
    DESCRIPTION
           "Initial SMIv2 version, published as RFC 2012."
    REVISION      "9103310000Z"
    DESCRIPTION
           "The initial revision of this MIB module was part of
            MIB-II."
    ::= { mib-2 49 }

-- the TCP base variables group

tcp      OBJECT IDENTIFIER ::= { mib-2 6 }

-- Scalars

tcpRtoAlgorithm OBJECT-TYPE
    SYNTAX      INTEGER {
                    other(1),    -- none of the following
                    constant(2), -- a constant rto
                    rsre(3),     -- MIL-STD-1778, Appendix B
                    vanj(4),     -- Van Jacobson's algorithm
                    rfc2988(5)   -- RFC 2988
                }
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
           "The algorithm used to determine the timeout value used for
            retransmitting unacknowledged octets."
    ::= { tcp 1 }

tcpRtoMin OBJECT-TYPE
    SYNTAX     Integer32 (0..2147483647)
    UNITS      "milliseconds"
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
           "The minimum value permitted by a TCP implementation for
            the retransmission timeout, measured in milliseconds.
            More refined semantics for objects of this type depend
            on the algorithm used to determine the retransmission
            timeout; in particular, the IETF standard algorithm
            rfc2988(5) provides a minimum value."
    ::= { tcp 2 }

tcpRtoMax OBJECT-TYPE
    SYNTAX     Integer32 (0..2147483647)
    UNITS      "milliseconds"
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
           "The maximum value permitted by a TCP implementation for
            the retransmission timeout, measured in milliseconds.
            More refined semantics for objects of this type depend
            on the algorithm used to determine the retransmission
            timeout; in particular, the IETF standard algorithm
            rfc2988(5) provides an upper bound (as part of an
            adaptive backoff algorithm)."
    ::= { tcp 3 }

tcpMaxConn OBJECT-TYPE
    SYNTAX     Integer32 (-1 | 0..2147483647)
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
           "The limit on the total number of TCP connections the entity
            can support.  In entities where the maximum number of
            connections is dynamic, this object should contain the
            value -1."
    ::= { tcp 4 }

tcpActiveOpens OBJECT-TYPE
    SYNTAX     Counter32
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
           "The number of times that TCP connections have made a direct
            transition to the SYN-SENT state from the CLOSED state.

            Discontinuities in the value of this counter are
            indicated via discontinuities in the value of sysUpTime."
    ::= { tcp 5 }

tcpPassiveOpens OBJECT-TYPE
    SYNTAX     Counter32
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
           "The number of times TCP connections have made a direct
            transition to the SYN-RCVD state from the LISTEN state.

            Discontinuities in the value of this counter are
            indicated via discontinuities in the value of sysUpTime."
    ::= { tcp 6 }

tcpAttemptFails OBJECT-TYPE
    SYNTAX     Counter32
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
           "The number of times that TCP connections have made a direct
            transition to the CLOSED state from either the SYN-SENT
            state or the SYN-RCVD state, plus the number of times that
            TCP connections have made a direct transition to the
            LISTEN state from the SYN-RCVD state.

            Discontinuities in the value of this counter are
            indicated via discontinuities in the value of sysUpTime."
    ::= { tcp 7 }

tcpEstabResets OBJECT-TYPE
    SYNTAX     Counter32
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
           "The number of times that TCP connections have made a direct
            transition to the CLOSED state from either the ESTABLISHED
            state or the CLOSE-WAIT state.

            Discontinuities in the value of this counter are
            indicated via discontinuities in the value of sysUpTime."
    ::= { tcp 8 }

tcpCurrEstab OBJECT-TYPE
    SYNTAX     Gauge32
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
           "The number of TCP connections for which the current state
            is either ESTABLISHED or CLOSE-WAIT."
    ::= { tcp 9 }

tcpInSegs OBJECT-TYPE
    SYNTAX     Counter32
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
           "The total number of segments received, including those
            received in error.  This count includes segments received
            on currently established connections.

            Discontinuities in the value of this counter are
            indicated via discontinuities in the value of sysUpTime."
    ::= { tcp 10 }

tcpOutSegs OBJECT-TYPE
    SYNTAX     Counter32
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
           "The total number of segments sent, including those on
            current connections but excluding those containing only
            retransmitted octets.

            Discontinuities in the value of this counter are
            indicated via discontinuities in the value of sysUpTime."
    ::= { tcp 11 }

tcpRetransSegs OBJECT-TYPE
    SYNTAX     Counter32
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
           "The total number of segments retransmitted; that is, the
            number of TCP segments transmitted containing one or more
            previously transmitted octets.

            Discontinuities in the value of this counter are
            indicated via discontinuities in the value of sysUpTime."
    ::= { tcp 12 }

tcpInErrs OBJECT-TYPE
    SYNTAX     Counter32
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
           "The total number of segments received in error (e.g., bad
            TCP checksums).

            Discontinuities in the value of this counter are
            indicated via discontinuities in the value of sysUpTime."
    ::= { tcp 14 }

tcpOutRsts OBJECT-TYPE
    SYNTAX     Counter32
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
           "The number of TCP segments sent containing the RST flag.

            Discontinuities in the value of this counter are
            indicated via discontinuities in the value of sysUpTime."
    ::= { tcp 15 }

-- { tcp 16 } was used to represent the ipv6TcpConnTable in RFC 2452,
-- which has since been obsoleted.  It MUST not be used.

tcpHCInSegs OBJECT-TYPE
    SYNTAX     Counter64
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
           "The total number of segments received, including those
            received in error.  This count includes segments received

            on currently established connections.  This object is
            the 64-bit equivalent of tcpInSegs.

            Discontinuities in the value of this counter are
            indicated via discontinuities in the value of sysUpTime."
    ::= { tcp 17 }

tcpHCOutSegs OBJECT-TYPE
    SYNTAX     Counter64
    MAX-ACCESS read-only
    STATUS     current
    DESCRIPTION
           "The total number of segments sent, including those on
            current connections but excluding those containing only
            retransmitted octets.  This object is the 64-bit
            equivalent of tcpOutSegs.

            Discontinuities in the value of this counter are
            indicated via discontinuities in the value of sysUpTime."
    ::= { tcp 18 }

-- The TCP Connection table

tcpConnectionTable OBJECT-TYPE
    SYNTAX     SEQUENCE OF TcpConnectionEntry
    MAX-ACCESS not-accessible
    STATUS     current
    DESCRIPTION
           "A table containing information about existing TCP
            connections.  Note that unlike earlier TCP MIBs, there
            is a separate table for connections in the LISTEN state."
    ::= { tcp 19 }

tcpConnectionEntry OBJECT-TYPE
    SYNTAX     TcpConnectionEntry
    MAX-ACCESS not-accessible
    STATUS     current
    DESCRIPTION
           "A conceptual row of the tcpConnectionTable containing
            information about a particular current TCP connection.
            Each row of this table is transient in that it ceases to
            exist when (or soon after) the connection makes the
            transition to the CLOSED state."
    INDEX   { tcpConnectionLocalAddressType,
              tcpConnectionLocalAddress,
              tcpConnectionLocalPort,
              tcpConnectionRemAddressType,
              tcpConnectionRemAddress,
              tcpConnectionRemPort }
    ::= { tcpConnectionTable 1 }

TcpConnectionEntry ::= SEQUENCE {
        tcpConnectionLocalAddressType   InetAddressType,
        tcpConnectionLocalAddress       InetAddress,
        tcpConnectionLocalPort          InetPortNumber,
        tcpConnectionRemAddressType     InetAddressType,
        tcpConnectionRemAddress         InetAddress,
        tcpConnectionRemPort            InetPortNumber,
        tcpConnectionState              INTEGER,
        tcpConnectionProcess            Unsigned32
    }

tcpConnectionLocalAddressType OBJECT-TYPE
    SYNTAX     InetAddressType
    MAX-ACCESS not-accessible
    STATUS     current
    DESCRIPTION
           "The address type of tcpConnectionLocalAddress."
    ::= { tcpConnectionEntry 1 }

tcpConnectionLocalAddress OBJECT-TYPE
    SYNTAX     InetAddress
    MAX-ACCESS not-accessible
    STATUS     current
    DESCRIPTION
           "The local IP address for this TCP connection.  The type
            of this address is determined by the value of
            tcpConnectionLocalAddressType.

            As this object is used in the index for the
            tcpConnectionTable, implementors should be
            careful not to create entries that would result in OIDs
            with more than 128 subidentifiers; otherwise the information
            cannot be accessed by using SNMPv1, SNMPv2c, or SNMPv3."
    ::= { tcpConnectionEntry 2 }

tcpConnectionLocalPort OBJECT-TYPE
    SYNTAX     InetPortNumber
    MAX-ACCESS not-accessible
    STATUS     current
    DESCRIPTION
           "The local port number for this TCP connection."
    ::= { tcpConnectionEntry 3 }

tcpConnectionRemAddressType OBJECT-TYPE
    SYNTAX     InetAddressType
    MAX-ACCESS not-accessible
    STATUS     current
    DESCRIPTION
           "The address type of tcpConnectionRemAddress."
    ::= { tcpConnectionEntry 4 }

tcpConnectionRemAddress OBJECT-TYPE
    SYNTAX     InetAddress
    MAX-ACCESS not-accessible
    STATUS     current
    DESCRIPTION
           "The remote IP address for this TCP connection.  The type
            of this address is determined by the value of
            tcpConnectionRemAddressType.

            As this object is used in the index for the
            tcpConnectionTable, implementors should be
            careful not to create entries that would result in OIDs
            with more than 128 subidentifiers; otherwise the information
            cannot be accessed by using SNMPv1, SNMPv2c, or SNMPv3."
    ::= { tcpConnectionEntry 5 }

tcpConnectionRemPort OBJECT-TYPE
    SYNTAX     InetPortNumber
    MAX-ACCESS not-accessible
    STATUS     current
    DESCRIPTION
           "The remote port number for this TCP connection."
    ::= { tcpConnectionEntry 6 }

tcpConnectionState OBJECT-TYPE
    SYNTAX     INTEGER {
                    closed(1),
                    listen(2),
                    synSent(3),
                    synReceived(4),
                    established(5),
                    finWait1(6),
                    finWait2(7),
                    closeWait(8),
                    lastAck(9),
                    closing(10),
                    timeWait(11),
                    deleteTCB(12)
                }
    MAX-ACCESS read-write
    STATUS     current
    DESCRIPTION
           "The state of this TCP connection.

            The value listen(2) is included only for parallelism to the
            old tcpConnTable and should not be used.  A connection in
            LISTEN state should be present in the tcpListenerTable.

            The only value that may be set by a management station is
            deleteTCB(12).  Accordingly, it is appropriate for an agent
            to return a `badValue' response if a management station
            attempts to set this object to any other value.