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: +1 408 853 9612

            Email: <raraghun@cisco.com>

            Send comments to <ipv6@ietf.org>"

    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.

            If a management station sets this object to the value

            deleteTCB(12), then the TCB (as defined in [RFC793]) of

            the corresponding connection on the managed node is

            deleted, 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)."

    ::= { tcpConnectionEntry 7 }

tcpConnectionProcess OBJECT-TYPE

    SYNTAX     Unsigned32

    MAX-ACCESS read-only

    STATUS     current

    DESCRIPTION

           "The system's process ID for the process associated with

            this connection, or zero if there is no such process.  This

            value is expected to be the same as HOST-RESOURCES-MIB::

            hrSWRunIndex or SYSAPPL-MIB::sysApplElmtRunIndex for some

            row in the appropriate tables."

    ::= { tcpConnectionEntry 8 }

-- The TCP Listener table

tcpListenerTable OBJECT-TYPE

    SYNTAX     SEQUENCE OF TcpListenerEntry

    MAX-ACCESS not-accessible

    STATUS     current

    DESCRIPTION

           "A table containing information about TCP listeners.  A

            listening application can be represented in three

            possible ways:

            1. An application that is willing to accept both IPv4 and

               IPv6 datagrams is represented by

               a tcpListenerLocalAddressType of unknown (0) and

               a tcpListenerLocalAddress of ''h (a zero-length

               octet-string).

            2. An application that is willing to accept only IPv4 or

               IPv6 datagrams is represented by a

               tcpListenerLocalAddressType of the appropriate address

               type and a tcpListenerLocalAddress of '0.0.0.0' or '::'

               respectively.

            3. An application that is listening for data destined

               only to a specific IP address, but from any remote

               system, is represented by a tcpListenerLocalAddressType

               of an appropriate address type, with

               tcpListenerLocalAddress as the specific local address.

            NOTE: The address type in this table represents the

            address type used for the communication, irrespective

            of the higher-layer abstraction.  For example, an

            application using IPv6 'sockets' to communicate via

            IPv4 between ::ffff:10.0.0.1 and ::ffff:10.0.0.2 would

            use InetAddressType ipv4(1))."

    ::= { tcp 20 }

tcpListenerEntry OBJECT-TYPE

    SYNTAX     TcpListenerEntry

    MAX-ACCESS not-accessible

    STATUS     current

    DESCRIPTION

           "A conceptual row of the tcpListenerTable containing

            information about a particular TCP listener."

    INDEX   { tcpListenerLocalAddressType,

              tcpListenerLocalAddress,

              tcpListenerLocalPort }

    ::= { tcpListenerTable 1 }

TcpListenerEntry ::= SEQUENCE {

        tcpListenerLocalAddressType       InetAddressType,

        tcpListenerLocalAddress           InetAddress,

        tcpListenerLocalPort              InetPortNumber,

        tcpListenerProcess                Unsigned32

    }

tcpListenerLocalAddressType OBJECT-TYPE

    SYNTAX     InetAddressType

    MAX-ACCESS not-accessible

    STATUS     current

    DESCRIPTION

           "The address type of tcpListenerLocalAddress.  The value

            should be unknown (0) if connection initiations to all

            local IP addresses are accepted."

    ::= { tcpListenerEntry 1 }

tcpListenerLocalAddress OBJECT-TYPE

    SYNTAX     InetAddress

    MAX-ACCESS not-accessible

    STATUS     current

    DESCRIPTION

           "The local IP address for this TCP connection.

            The value of this object can be represented in three

            possible ways, depending on the characteristics of the

            listening application:

            1. For an application willing to accept both IPv4 and

               IPv6 datagrams, the value of this object must be

               ''h (a zero-length octet-string), with the value

               of the corresponding tcpListenerLocalAddressType

               object being unknown (0).

            2. For an application willing to accept only IPv4 or

               IPv6 datagrams, the value of this object must be

               '0.0.0.0' or '::' respectively, with

               tcpListenerLocalAddressType representing the

               appropriate address type.

            3. For an application which is listening for data

               destined only to a specific IP address, the value

               of this object is the specific local address, with

               tcpListenerLocalAddressType representing the

               appropriate address type.

            As this object is used in the index for the

            tcpListenerTable, implementors should be

            careful not to create entries that would result in OIDs

            with more than 128 subidentifiers; otherwise the information

            cannot be accessed, using SNMPv1, SNMPv2c, or SNMPv3."

    ::= { tcpListenerEntry 2 }

tcpListenerLocalPort OBJECT-TYPE

    SYNTAX     InetPortNumber

    MAX-ACCESS not-accessible

    STATUS     current

    DESCRIPTION

           "The local port number for this TCP connection."

    ::= { tcpListenerEntry 3 }

tcpListenerProcess OBJECT-TYPE

    SYNTAX     Unsigned32

    MAX-ACCESS read-only

    STATUS     current

    DESCRIPTION

           "The system's process ID for the process associated with

            this listener, or zero if there is no such process.  This

            value is expected to be the same as HOST-RESOURCES-MIB::

            hrSWRunIndex or SYSAPPL-MIB::sysApplElmtRunIndex for some

            row in the appropriate tables."

    ::= { tcpListenerEntry 4 }

-- The deprecated TCP Connection table

tcpConnTable OBJECT-TYPE

    SYNTAX     SEQUENCE OF TcpConnEntry

    MAX-ACCESS not-accessible

    STATUS     deprecated

    DESCRIPTION

           "A table containing information about existing IPv4-specific

            TCP connections or listeners.  This table has been

            deprecated in favor of the version neutral

            tcpConnectionTable."

    ::= { tcp 13 }

tcpConnEntry OBJECT-TYPE

    SYNTAX     TcpConnEntry

    MAX-ACCESS not-accessible

    STATUS     deprecated

    DESCRIPTION

           "A conceptual row of the tcpConnTable containing information

            about a particular current IPv4 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     Integer32,

        tcpConnRemAddress    IpAddress,

        tcpConnRemPort       Integer32

    }

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     deprecated

    DESCRIPTION

           "The state of this TCP connection.

            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.

            If a management station sets this object to the value

            deleteTCB(12), then the TCB (as defined in [RFC793]) of

            the corresponding connection on the managed node is

            deleted, 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     deprecated

    DESCRIPTION

           "The local IP address for this TCP connection.  In the case

            of a connection in the listen state 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     Integer32 (0..65535)

    MAX-ACCESS read-only

    STATUS     deprecated

    DESCRIPTION

           "The local port number for this TCP connection."

    ::= { tcpConnEntry 3 }

tcpConnRemAddress OBJECT-TYPE

    SYNTAX     IpAddress

    MAX-ACCESS read-only

    STATUS     deprecated

    DESCRIPTION

           "The remote IP address for this TCP connection."

    ::= { tcpConnEntry 4 }

tcpConnRemPort OBJECT-TYPE

    SYNTAX     Integer32 (0..65535)

    MAX-ACCESS read-only

    STATUS     deprecated

    DESCRIPTION

           "The remote port number for this TCP connection."

    ::= { tcpConnEntry 5 }

-- conformance information

tcpMIBConformance OBJECT IDENTIFIER ::= { tcpMIB 2 }

tcpMIBCompliances OBJECT IDENTIFIER ::= { tcpMIBConformance 1 }

tcpMIBGroups      OBJECT IDENTIFIER ::= { tcpMIBConformance 2 }

-- compliance statements

tcpMIBCompliance2 MODULE-COMPLIANCE

    STATUS     current

    DESCRIPTION

           "The compliance statement for systems that implement TCP.

            A number of INDEX objects cannot be

            represented in the form of OBJECT clauses in SMIv2 but

            have the following compliance requirements,

            expressed in OBJECT clause form in this description

            clause:

            -- OBJECT      tcpConnectionLocalAddressType

            -- SYNTAX      InetAddressType { ipv4(1), ipv6(2) }

            -- DESCRIPTION

            --     This MIB requires support for only global IPv4

            --     and IPv6 address types.

            --

            -- OBJECT      tcpConnectionRemAddressType

            -- SYNTAX      InetAddressType { ipv4(1), ipv6(2) }

            -- DESCRIPTION

            --     This MIB requires support for only global IPv4

            --     and IPv6 address types.

            --

            -- OBJECT      tcpListenerLocalAddressType

            -- SYNTAX      InetAddressType { unknown(0), ipv4(1),

            --                               ipv6(2) }

            -- DESCRIPTION

            --     This MIB requires support for only global IPv4

            --     and IPv6 address types.  The type unknown also

            --     needs to be supported to identify a special

            --     case in the listener table: a listen using

            --     both IPv4 and IPv6 addresses on the device.

            --

           "

    MODULE  -- this module

        MANDATORY-GROUPS { tcpBaseGroup, tcpConnectionGroup,

                           tcpListenerGroup }

        GROUP       tcpHCGroup

        DESCRIPTION

           "This group is mandatory for systems that are capable

            of receiving or transmitting more than 1 million TCP

            segments per second.  1 million segments per second will

            cause a Counter32 to wrap in just over an hour."

        OBJECT      tcpConnectionState

        SYNTAX      INTEGER { closed(1), listen(2), synSent(3),

                              synReceived(4), established(5),

                              finWait1(6), finWait2(7), closeWait(8),

                              lastAck(9), closing(10), timeWait(11) }

        MIN-ACCESS  read-only

        DESCRIPTION

           "Write access is not required, nor is support for the value

            deleteTCB (12)."

    ::= { tcpMIBCompliances 2 }

tcpMIBCompliance MODULE-COMPLIANCE

    STATUS     deprecated

    DESCRIPTION

           "The compliance statement for IPv4-only systems that

            implement TCP.  In order to be IP version independent, this

            compliance statement is deprecated in favor of

            tcpMIBCompliance2.  However, agents are still encouraged

            to implement these objects in order to interoperate with

            the deployed base of managers."

    MODULE  -- this module

        MANDATORY-GROUPS { tcpGroup }

        OBJECT      tcpConnState

        MIN-ACCESS  read-only

        DESCRIPTION

           "Write access is not required."

    ::= { tcpMIBCompliances 1 }

-- units of conformance

tcpGroup OBJECT-GROUP

    OBJECTS   { tcpRtoAlgorithm, tcpRtoMin, tcpRtoMax,

                tcpMaxConn, tcpActiveOpens,

                tcpPassiveOpens, tcpAttemptFails,

                tcpEstabResets, tcpCurrEstab, tcpInSegs,

                tcpOutSegs, tcpRetransSegs, tcpConnState,

                tcpConnLocalAddress, tcpConnLocalPort,

                tcpConnRemAddress, tcpConnRemPort,

                tcpInErrs, tcpOutRsts }

    STATUS     deprecated

    DESCRIPTION

           "The tcp group of objects providing for management of TCP

            entities."

    ::= { tcpMIBGroups 1 }

tcpBaseGroup OBJECT-GROUP

    OBJECTS   { tcpRtoAlgorithm, tcpRtoMin, tcpRtoMax,

                tcpMaxConn, tcpActiveOpens,

                tcpPassiveOpens, tcpAttemptFails,

                tcpEstabResets, tcpCurrEstab, tcpInSegs,

                tcpOutSegs, tcpRetransSegs,

                tcpInErrs, tcpOutRsts }

    STATUS     current

    DESCRIPTION

           "The group of counters common to TCP entities."

    ::= { tcpMIBGroups 2 }

tcpConnectionGroup OBJECT-GROUP

    OBJECTS    { tcpConnectionState, tcpConnectionProcess }

    STATUS     current

    DESCRIPTION

           "The group provides general information about TCP

            connections."

    ::= { tcpMIBGroups 3 }

tcpListenerGroup OBJECT-GROUP

    OBJECTS    { tcpListenerProcess }

    STATUS     current

    DESCRIPTION

           "This group has objects providing general information about

            TCP listeners."

    ::= { tcpMIBGroups 4 }

tcpHCGroup OBJECT-GROUP

    OBJECTS    { tcpHCInSegs, tcpHCOutSegs }

    STATUS     current

    DESCRIPTION

           "The group of objects providing for counters of high speed

            TCP implementations."

    ::= { tcpMIBGroups 5 }

END