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SG UTM on XCP-ng 7.6 Hypervisor dropping traffic

Scott Noel-Hemming

Looking for suggestions on how to find the cause of tcp communication failures.

 

I have some systems running "behind" a DomU SG UTM Firmware version: 9.714-4 on a XCP-ng 7.6 hypervisor with an AMD Opteron 6220 CPU. Everything works fine. Specifically, my backup software is being NATed through the UTM.

 

When I migrate the UTM to a XCP-ng 7.6 Hypervisor running on an AMD EPYC processor, the same TCP backup traffic drops the connection. The ONLY change is moving the UTM to the new hypervisor.



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    What NIC does your hardware have?  Are you seeing any up/down messages in the Kernel log?  Is it specific TCP traffic, i.e., port 80/443?  Is it a custom TCP port?  Can you paste some errors from the log files?

    OPNSense 64-bit | Intel Xeon 4-core v3 1225 3.20Ghz
    16GB Memory | 500GB SSD HDD | ATT Fiber 1GB
    (Former Sophos UTM Veteran, Former XG Rookie)

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  • 0

    What NIC does your hardware have?  Are you seeing any up/down messages in the Kernel log?  Is it specific TCP traffic, i.e., port 80/443?  Is it a custom TCP port?  Can you paste some errors from the log files?

    OPNSense 64-bit | Intel Xeon 4-core v3 1225 3.20Ghz
    16GB Memory | 500GB SSD HDD | ATT Fiber 1GB
    (Former Sophos UTM Veteran, Former XG Rookie)

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