Siemens MindConnect Nano System Manual page 84

Configuring protocols
4.6 Overview of SYSTEM protocol for MindConnect Nano
Variable
TCPRcvCoalesce
TCPRcvCollapsed
TCPRenoFailures
TCPRenoRecovery
TCPRenoRecoveryFail
TCPRenoReorder
TCPReqQFullDoCookies
TCPReqQFullDrop
TCPRetransFail
TCPSACKDiscard
TCPSACKFailures
TCPSACKMerged
TCPSACKRecovery
TCPSACKRecoveryFail
TCPSACKReneging
TCPSACKReorder
TCPSACKShifted
TCPSACKShiftFallback
TCPSchedulerFailed
MindConnect Nano
System Manual 7/2023
Data
Address
type
long /network/tcprcvcoalesce
long /network/tcprcvcollapsed
long /network/tcprenofailures
long /network/tcprenorecovery
long /network/tcprenorecoveryfail
long /network/tcprenoreorder
long /network/tcpreqqfulldocookies
long /network/tcpreqqfulldrop
long /network/tcpretransfail
long /network/tcpsackdiscard
long /network/tcpsackfailures
long /network/tcpsackmerged
long /network/tcpsackrecovery
long /network/tcpsackRecoveryFails
long /network/tcpsackreneging
long /network/tcpsackreorder
long /network/tcpsackshifted
long /network/tcpsackshiftfallback
long /network/tcpschedulerfailed
Description
Packets collapsed in receive
queue due to low socket
buffer.
Timeouts after reno fast
retransmit.
Times recovered from
packet loss due to fast
retransmit.
Classic Reno fast
retransmits failed.
Timeouts after SACK
recovery.
Times recovered from
packet loss by selective
acknowledgements.
SACK retransmits failed.
Bad SACK blocks received.
Number of times reordering
was detected using SACK.
Times receiver scheduled
too late for direct
processing.
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