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MIB Information: tcp
1.3.6.1.2.1.6
MIB Information: tcpRtoAlgorithm
1.3.6.1.2.1.6.1
mandatory read-only
Description: The algorithm used to determine the timeout value used for retransmitting unacknowledged octets.
Settings: INTEGER
Syntax Ref. Type: ENUM
(1) = other
(2) = constant
(3) = rsre
(4) = vanj
MIB Information: tcpRtoMin
1.3.6.1.2.1.6.2
mandatory read-only
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.
Settings: INTEGER
MIB Information: tcpRtoMax
1.3.6.1.2.1.6.3
mandatory read-only
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.
Settings: INTEGER
MIB Information: tcpMaxConn
1.3.6.1.2.1.6.4
mandatory read-only
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.
Settings: INTEGER
MIB Information: tcpActiveOpens
1.3.6.1.2.1.6.5
mandatory read-only
Description: The number of times TCP connections have made a direct transition to the SYN-SENT state from the CLOSED state.
Settings: Counter
MIB Information: tcpPassiveOpens
1.3.6.1.2.1.6.6
mandatory read-only
Description: The number of times TCP connections have made a direct transition to the SYN-RCVD state from the LISTEN state.
Settings: Counter
MIB Information: tcpAttemptFails
1.3.6.1.2.1.6.7
mandatory read-only
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.
Settings: Counter
MIB Information: tcpEstabResets
1.3.6.1.2.1.6.8
mandatory read-only
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.
Settings: Counter
MIB Information: tcpCurrEstab
1.3.6.1.2.1.6.9
mandatory read-only
Description: The number of TCP connections for which the current state is either ESTABLISHED or CLOSE- WAIT.
Settings: Gauge
MIB Information: tcpInSegs
1.3.6.1.2.1.6.10
mandatory read-only
Description: The total number of segments received including those received in error. This count includes segments received on currently established connections.
Settings: Counter
MIB Information: tcpOutSegs
1.3.6.1.2.1.6.11
mandatory read-only
Description: The total number of segments sent including those on current connections but excluding those containing only retransmitted octets.
Settings: Counter
MIB Information: tcpRetransSegs
1.3.6.1.2.1.6.12
mandatory read-only
Description: The total number of segments retransmitted - that is the number of TCP segments transmitted containing one or more previously transmitted octets.
Settings: Counter
MIB Information: tcpConnTable
1.3.6.1.2.1.6.13
not-accessible
Description: A table containing TCP connection-specific information.
MIB Information: tcpConnEntry
1.3.6.1.2.1.6.13.1
not-accessible
Description: Information about a particular current TCP connection. An object of this type is transient in that it ceases to exist when (or soon after) the connection makes the transition to the CLOSED state.
(1) = closed
(2) = listen
(3) = synSent
(4) = synReceived
(5) = established
MIB Information: tcpConnState
1.3.6.1.2.1.6.13.1.1
mandatory read-write
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 \QbadValue' 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).
Settings: INTEGER
Syntax Ref. Type: ENUM
(6) = finWait1
(7) = finWait2
(8) = closeWait
(9) = lastAck
(10) = closing
(11) = timeWait
(12) = deleteTCB
MIB Information: tcpConnLocalAddress
1.3.6.1.2.1.6.13.1.2
mandatory read-only
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.
Settings: IpAddress
MIB Information: tcpConnLocalPort
1.3.6.1.2.1.6.13.1.3
mandatory read-only
Description: The local port number for this TCP connection.
Settings: INTEGER
Syntax Ref. Type: RANGE
0 = 65535
MIB Information: tcpConnRemAddress
1.3.6.1.2.1.6.13.1.4
mandatory read-only
Description: The remote IP address for this TCP connection.
Settings: IpAddress
MIB Information: tcpConnRemPort
1.3.6.1.2.1.6.13.1.5
mandatory read-only
Description: The remote port number for this TCP connection.
Settings: INTEGER
Syntax Ref. Type: RANGE
0 = 65535
MIB Information: tcpInErrs
1.3.6.1.2.1.6.14
mandatory read-only
Description: The total number of segments received in error (e.g. bad TCP checksums).
Settings: Counter
MIB Information: tcpOutRsts
1.3.6.1.2.1.6.15
mandatory read-only
Description: The number of TCP segments sent containing the RST flag.
Settings: Counter
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