Starwind shows 10G SFP+ as 1G on Proxmox

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sg611
Posts: 1
Joined: Wed Jul 01, 2026 8:24 pm

Wed Jul 01, 2026 8:50 pm

I am setting up a new instance of Starwind VSAN on a 2-node Proxmox cluster. Proxmox shows the NICs and vmbr* as 10G using the ethtool command. I am using the VirtIO driver. Starwind shows the connections as 1G. What can I do to troubleshoot this?

Thank you
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yaroslav (staff)
Staff
Posts: 4359
Joined: Mon Nov 18, 2019 11:11 am

Thu Jul 02, 2026 5:17 am

There's no fix and this glitch does not affec the bandwidth. You are welcome to try it with iperf.
This is a display issue with VirtIO driver and you can't fix it in Proxmox.
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