Network drop if enabling VLAN aware option

damjank

Active Member
Apr 2, 2020
30
1
28
Hello,

New node, new hardware - Xeon Gold, HP blade system, Connect X4 network card, 2xSPF28 ports. All connected to ubuquiti network agregation switch. Switch is having setup on ports in question to allow all traffic, tagged and untagged, no blockng created. New installation of Proxmox, upgrade to latest version. I can connect fine, everything is working, even the VM if I create it and run it. Immediately when I enable option of VLAN awareness, and apply settings, network drops out - interface is not available anymore, no more ping. If I go to KVM console, and connect to PX installation, remove VLAN setting, restart networking, it comes back.

So... what is this? Never have I ever encountered this. Any insight, idea?
 

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