![]() ![]() I tried booting into Ubuntu from a USB drive just to rule out any potential funniness with proxmox kernel/drivers given the discussions on those links and I think there may be something physically wrong with the port now - under Ubuntu GUI I saw everything from 'no link' to 10mbps to 1gpbs after playing with different cables and ports on the router. vmbr0: port 1(eno1) entered forwarding state e1000e 0000:00:1f.6 eno1: NIC Link is Up 100 Mbps Full Duplex, Flow Control: None ![]() e1000e 0000:00:1f.6 eno1: NIC Link is Up 100 Mbps Half Duplex, Flow Control: None vmbr0: port 1(eno1) entered disabled state vmbr0: port 1(eno1) entered blocking state Switch back to Proxmox and the link is downgraded to 100MBps. confirmed the ethernet cable is still fine - plugging a different machine to it gets me full gigabit speed (confirmed through iperf3) and obviously it worked just fine for 1y+ when the machine was running Debian only. forcing 1000mbps from the router side (ticking the 1000M options per the screenshot below) also made me lose LAN access to the host/LXCs forcing 1000mbps and turning off autoneg on the host machine via ethtool -s eth0 speed 1000 duplex full autoneg off also made me also lose LAN access to the host/LXCs forcing 1000mbps on the host machine via ethtool -s eth0 speed 1000 duplex full autoneg on made me lose LAN access to the host/LXCs I have already looked through a number of threads on here where people have faced similar issue, however, none of them seemed to work for me. It is not the cable nor the the router I think - it's the same cable/port on the router (using Mikrotik) that I used just prior when the machine ran Debian on bare metal. This is a single NIC machine (Intel E1000), which supports 1GBps speeds otherwise. I can't figure this one out though - I seem to be stuck at 100MBps speeds (confirmed through iperf3 and ethtool installed on the host). To start with, I got a few LXCs up and running for now (Pihole, Homebridge, WireGuard) and loving the experience so far, except for one thing: I recently moved from bare metal Debian to a Proxmox setup on my HP G3 800 mini as I would like to run a couple of VMs in addition to Debian. ![]()
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