tcp

OIDNameTypeValueAccess
tcpRtoAlgorithm Read-Only
tcpRtoMin Read-Only
tcpRtoMax Read-Only
tcpMaxConn Read-Only
tcpActiveOpens Read-Only
tcpPassiveOpens Read-Only
tcpAttemptFails Read-Only
tcpEstabResets Read-Only
tcpCurrEstab Read-Only
tcpInSegs Read-Only
tcpOutSegs Read-Only
tcpRetransSegs Read-Only
1.3.6.1.2.1.6.13.1 tcpConnTable Table
tcpInErrs Read-Only
tcpOutRsts Read-Only

tcpRtoAlgorithm

The algorithm used to determine the timeout value used for retransmitting unacknowledged octets.

tcpRtoMin

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.

tcpRtoMax

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.

tcpMaxConn

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.

tcpActiveOpens

The number of times TCP connections have made a direct transition to the SYN-SENT state from the CLOSED state.

tcpPassiveOpens

The number of times TCP connections have made a direct transition to the SYN-RCVD state from the LISTEN state.

tcpAttemptFails

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.

tcpEstabResets

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.

tcpCurrEstab

The number of TCP connections for which the current state is either ESTABLISHED or CLOSE- WAIT.

tcpInSegs

The total number of segments received, including those received in error. This count includes segments received on currently established connections.

tcpOutSegs

The total number of segments sent, including those on current connections but excluding those containing only retransmitted octets.

tcpRetransSegs

The total number of segments retransmitted - that is, the number of TCP segments transmitted containing one or more previously transmitted octets.

tcpConnTable

A table containing TCP connection-specific information.

tcpInErrs

The total number of segments received in error (e.g., bad TCP checksums).

tcpOutRsts

The number of TCP segments sent containing the RST flag.