topic: Ethernet - unrecoverable loss of connectivity
detailed description: In TCP communication some bytes have been lost from time to time. The robust TCP communication was able to compensate most of them. Therefore, this bug had no effect on the Application in most cases. Under some circumstances, TCP communication could have been lost totally. This effect was not reversible. Ethernet communication could only be restored trough a reset.
solution: solved in 4.2.1
See all known issues.