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Table 6-10. Exception Log Event Codes - Continued
Log Event
Code
Eventº12º TCP events (Continued)
Possible Cause and Resolution
18ªConnection to remote node failed; resumingº
Sent RST in tcpacked( ). Entry 3 is the endpoint (TCP connection identifier). Entry 4 is the TCP state as shown above. Entry 5 is the code field of the offendingpacket.
19ªConnection to remote node failed; resumingº
Sent a TCP RST to a remote node aborting a failed TCP connection. This abort was done due to a mismatch in local and remote connection status. Entry 3 is the endpoint (TCP connection identifier). Entry 4 is the TCP state:
1 = CLOSED
2 = LISTEN
3 =
4 =
5 = ESTABLISHED
6 =
7 =
8 = CLOSE-WAIT
9 =
10 = CLOSING
11 =
Entry 5 contains TCP flags.
1a ªConnection to remote node failed; resumingº
Sent a TCP RST to a remote node aborting its TCP connection. This abort was done because the connection was unknown to the local Interface. Entry 3 is the source TCP port. Entry 4 is the destination TCP port. Entry 5 is the code field of the offending TCP packet.
1b ªConnection to remote node failed; resumingº
Gave up on TCP connection establishment due to exceeding the limit on the listen queue size.
1c ªConnection to remote node failed; resumingº
Closed a connection that has not yet been set up Entry 3 contains the end- point, and Entry 4 contains the TCP state. This exception may serve to explain a subsequent event 12, Entry 2 = 1a exception.
ff(Not reported to PLC Fault Table)
An error has occurred while retrieving program task names, but the software is unable to clear an entry in the PSM transfer table. Entry 3 is the returned status code and is significant to developers.
TCP/IP Ethernet Communications User's Manual ± January 1996 |
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