Hello everybody, we had some networking problems in our real-time chain. Most of them are solved but some are still open. a) in a tcpdump we see occasional checksum errors, but we don't see them in the switch. Wireshark thinks that it comes from checksum offload in the NetExtrem II network card. The thing that irritates me is, why does it happen only occasionally ? I thought that offload is on or off. I tried to read the source, but I'm not good enough. Is there anybody that can tell me how offloading works in bnx2 driver ? b) our company produces a real-time feed and delivers it to clients around the world. In the trace we see lots of push/acks. The developer says that the application doesn't send any push/acks. Is it possible that the TCP/IP stack generates them ? I found a hint in rfc 1122 but I'm not sure. Anybody that can confirm that ? Thank you for your time. Any input is appreciated. Sincerely Bernhard - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
