TCP-MIB DEFINITIONS ::= BEGINIMPORTS    MODULE-IDENTITY, OBJECT-TYPE, Integer32, Gauge32,    Counter32, IpAddress, mib-2        FROM SNMPv2-SMI    MODULE-COMPLIANCE, OBJECT-GROUP    FROM SNMPv2-CONF;tcpMIB MODULE-IDENTITY    LAST-UPDATED "9411010000Z"    ORGANIZATION "IETF SNMPv2 Working Group"    CONTACT-INFO            "        Keith McCloghrie             Postal: Cisco Systems, Inc.                     170 West Tasman Drive                     San Jose, CA  95134-1706                     US             Phone:  +1 408 526 5260             Email:  kzm@cisco.com"    DESCRIPTION            "The MIB module for managing TCP implementations."    REVISION      "9103310000Z"    DESCRIPTION            "The initial revision of this MIB module was part of MIB-            II."    ::= { mib-2 49 }-- the TCP grouptcp      OBJECT IDENTIFIER ::= { mib-2 6 }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 [5]                }    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    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 upon the            algorithm used to determine the retransmission timeout.  In            particular, when the timeout algorithm is rsre(3), an object            of this type has the semantics of the LBOUND quantity            described in RFC 793."    ::= { tcp 2 }tcpRtoMax OBJECT-TYPE    SYNTAX      Integer32    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 upon the            algorithm used to determine the retransmission timeout.  In            particular, when the timeout algorithm is rsre(3), an object            of this type has the semantics of the UBOUND quantity            described in RFC 793."    ::= { tcp 3 }tcpMaxConn OBJECT-TYPE    SYNTAX      Integer32    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 TCP connections have made a direct            transition to the SYN-SENT state from the CLOSED state."    ::= { 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."    ::= { tcp 6 }tcpAttemptFails OBJECT-TYPE    SYNTAX      Counter32    MAX-ACCESS  read-only    STATUS      current    DESCRIPTION            "The number of times 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 TCP            connections have made a direct transition to the LISTEN            state from the SYN-RCVD state."    ::= { tcp 7 }tcpEstabResets OBJECT-TYPE    SYNTAX      Counter32    MAX-ACCESS  read-only    STATUS      current    DESCRIPTION            "The number of times TCP connections have made a direct            transition to the CLOSED state from either the ESTABLISHED            state or the CLOSE-WAIT state."    ::= { 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."    ::= { 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."    ::= { 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."    ::= { tcp 12 }-- the TCP Connection table-- The TCP connection table contains information about this-- entity's existing TCP connections.tcpConnTable OBJECT-TYPE    SYNTAX      SEQUENCE OF TcpConnEntry    MAX-ACCESS  not-accessible    STATUS      current    DESCRIPTION            "A table containing TCP connection-specific information."    ::= { tcp 13 }tcpConnEntry OBJECT-TYPE    SYNTAX      TcpConnEntry    MAX-ACCESS  not-accessible    STATUS      current    DESCRIPTION            "A conceptual row of the tcpConnTable 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   { tcpConnLocalAddress,              tcpConnLocalPort,              tcpConnRemAddress,              tcpConnRemPort }    ::= { tcpConnTable 1 }TcpConnEntry ::= SEQUENCE {        tcpConnState          INTEGER,        tcpConnLocalAddress   IpAddress,        tcpConnLocalPort      INTEGER,        tcpConnRemAddress     IpAddress,        tcpConnRemPort        INTEGER    }tcpConnState 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 only value which 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.            If a management station sets this object to the value            deleteTCB(12), then this has the effect of deleting the TCB            (as defined in RFC 793) of the corresponding connection on            the managed node, resulting in immediate termination of the            connection.            As an implementation-specific option, a RST segment may be            sent from the managed node to the other TCP endpoint (note            however that RST segments are not sent reliably)."    ::= { tcpConnEntry 1 }tcpConnLocalAddress OBJECT-TYPE    SYNTAX      IpAddress    MAX-ACCESS  read-only    STATUS      current    DESCRIPTION            "The local IP address for this TCP connection.  In the case            of a connection in the listen state which is willing to            accept connections for any IP interface associated with the            node, the value 0.0.0.0 is used."    ::= { tcpConnEntry 2 }tcpConnLocalPort OBJECT-TYPE    SYNTAX      INTEGER (0..65535)    MAX-ACCESS  read-only    STATUS      current    DESCRIPTION            "The local port number for this TCP connection."    ::= { tcpConnEntry 3 }tcpConnRemAddress OBJECT-TYPE    SYNTAX      IpAddress    MAX-ACCESS  read-only    STATUS      current    DESCRIPTION            "The remote IP address for this TCP connection."    ::= { tcpConnEntry 4 }tcpConnRemPort OBJECT-TYPE    SYNTAX      INTEGER (0..65535)    MAX-ACCESS  read-only    STATUS      current    DESCRIPTION            "The remote port number for this TCP connection."    ::= { tcpConnEntry 5 }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)."    ::= { tcp 14 }tcpOutRsts OBJECT-TYPE    SYNTAX      Counter32    MAX-ACCESS  read-only    STATUS      current    DESCRIPTION            "The number of TCP segments sent containing the RST flag."    ::= { tcp 15 }-- conformance informationtcpMIBConformance OBJECT IDENTIFIER ::= { tcpMIB 2 }tcpMIBCompliances OBJECT IDENTIFIER ::= { tcpMIBConformance 1 }tcpMIBGroups      OBJECT IDENTIFIER ::= { tcpMIBConformance 2 }-- compliance statementstcpMIBCompliance MODULE-COMPLIANCE    STATUS  current    DESCRIPTION            "The compliance statement for SNMPv2 entities which            implement TCP."    MODULE  -- this module        MANDATORY-GROUPS { tcpGroup                           }    ::= { tcpMIBCompliances 1 }-- units of conformancetcpGroup OBJECT-GROUP    OBJECTS   { tcpRtoAlgorithm, tcpRtoMin, tcpRtoMax,                tcpMaxConn, tcpActiveOpens,                tcpPassiveOpens, tcpAttemptFails,                tcpEstabResets, tcpCurrEstab, tcpInSegs,                tcpOutSegs, tcpRetransSegs, tcpConnState,                tcpConnLocalAddress, tcpConnLocalPort,                tcpConnRemAddress, tcpConnRemPort,                tcpInErrs, tcpOutRsts }    STATUS    current    DESCRIPTION            "The tcp group of objects providing for management of TCP            entities."    ::= { tcpMIBGroups 1 }END