![]() ![]() It doesn't bother me that the triangle is there but it doesn't allow OneNote, OneDrive, O365, etc to sync or validate activation and after any Win10 update it's re-enabled. The only way I can get rid of the yellow triangle over the network icon is to disable IPv4 Checksum Offload. I would like to know what this really does? Why is this causing these check sum errors? Is there a repercussion of disabling this feature or not? I should also note that we are running on GIG backbone if that matters or not. I'm experiencing some odd phenomena with the IPv4 Checksum Offload on various Intel & Realtek NIC's for the past few months. ![]() However, my Dell 2950 using a Broadcom BCM5708C NetXtreme II GigE driver with Checksum Offloads are handled with varying levels of ability by. As an offload process, similar to Large Send Offload, Checksum Offloads try to send the process demands of network packets off the workload of the CPU and on to the NIC. Press the 'Configure.' button, choose the 'Advanced' tab to see or modify the "Offload Transmit TCP Checksum" and "Offload Receive TCP Checksum" values. TCP Checksum Offload IPv6 UDP Checksum Offload IPv4 UDP Checksum Offload IPv6 RECOMMENDATION: Experiment. ![]() I have noticed that I can make some changes - Control Panel->Network and Internet Connections->Network Connections, right click the connection to change and choose 'Properties'. Describes whether the device enabled or disabled the calculation of UDP checksum over IPv4 packets. While using the wireshark I’m noticing high amount of errors - outgoing packets marked black with red Text and the note. I have been troubleshooting some random performance issues regarding network throughput etc. The offload flags used for checksum calculation at hardware level is not effective with newer version of DPDK 18.08.Checksum is not getting computed at hardware level after setting these flags.The checksum values remains the same as what is set by the application software. ![]()
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