August 20, 20205 yr Hello everyone, I use to change the Nic that uraid use for Web ui and everthing else. My Ep2C602 have 4 1Gbe network cards and I used to plug a Mellanox ConnectX2 to add 10Gbe interface. Well everything is perfectly seen and working. I manage to switch Eth0 to the mellanox card, gave it an Ip adress, reboot, and I see it, can ping it. Webui is accessible to that Ip. .... BUT As soon as I unplug the rj45 from the old main nic (Which is eth4 now), I lost every connection. The mellanox is still pingable but Webui not available at all. I plug back the Rj45 to eth4, everything work again, AND I can access webUi with both of the Ip of eth0 and eth4. As I try to see where the traffic is going between both of them, I clearly see the Mellanox Ip is doing the job at 100%, not data through eth4 so far, every docker app transfering to LAN an web via eth0 (mellanox and correct Ip assigned before) Second strange thing; my application to scan Ip of the Whole network didnt see the good manufacturing brand to the Ip, as well as the MAC Adress, but did it well before Eth4 Mac is **:**:**:**:**:37 branded ASROCK Inc, shown under an Ip 192.168.0.116, Ip assigned to the mellanox Nic. The other Ip (originally assigned to the eth4 get the same Mac (**:**:**:**:**:37 branded ASROCK Inc, show under an Ip 192.168.0.233 I try to send two 17Go file from two PC, and I get around 50Mo/s for both. And if I stop one, the other get the full 100Mo/s (1Gbe) so through the 1GBe nic presumed to be Eth4 The mellanox is seen as 10000Mbps full duplex on both ends: Unraid and my UDM pro, the motherboard Nic at 1000Mbps full duplex so no issues with cabling and settings for speed Can someone gets hints about this mess? Thanks in advance
August 21, 20205 yr Author Hello, So I use to disconnect again the rj45 and that seem to hold the correct IP on the Mellanox NIC. Don't know why I have got this behaviour.
August 22, 20205 yr You shouldn't set two port in same subnet and connect to same switch. Correct way is - either use 10g or 1g only - or bond both 10g and 1g in active-backup mode
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