TCP Group (Windows Embedded CE 6.0)
1/6/2010
The TCP Group contains information about the implementation and operation of TCP at a node. You must implement the TCP Group in all of the systems that implement TCP. The following table shows the variables of the TCP Group and their properties.
| Name | Type | Access | Description |
|---|---|---|---|
tcpRtoAlgorithm |
Integer |
R/O |
Time-out algorithm; for example:Van Jacobson = 4constant = 2 and so on |
tcpRtoMin |
Integer |
R/O |
Retransmission time-out minimum value |
tcpRtoMax |
Integer |
R/O |
Retransmission time-out maximum value |
tcpMaxConn |
Integer |
R/O |
Maximum number of TCP connections |
tcpActiveOpens |
Counter |
R/O |
Number of CLOSED to SYN-SENT transitions |
tcpPassiveOpens |
Counter |
R/O |
Number of LISTEN to SYN-RCVD transitions |
tcpAttemptFails |
Counter |
R/O |
Number of connection attempts that failed |
tcpEstabResets |
Counter |
R/O |
Number of ESTABLISHED to CLOSED transitions |
tcpCurrEstab |
Gauge |
R/O |
Connections that currently are ESTABLISHED or CLOSE-WAIT |
tcpInSegs |
Counter |
R/O |
Total number of segments that are received |
tcpOutSegs |
Counter |
R/O |
Total number of segments that are sent |
tcpRetransSegs |
Counter |
R/O |
Total number of segments that are retransmitted |
tcpConnTable |
|
|
TCP connection table (current connections) |
tcpConnState |
Integer |
R/W |
TCP connection state |
tcpConnLocalAddress |
IpAddress |
R/O |
Local IP address |
tcpConnLocalPort |
Integer |
R/O |
Local port number |
tcpConnRemAddress |
IpAddress |
R/O |
Remote IP address |
tcpConnRemPort |
Integer |
R/O |
Remote port number |
tcpInErrors |
Counter |
R/O |
Number of segments with errors that are received |
tcpOutRsts |
Counter |
R/O |
Number of segments that are sent with RST flag on |