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"This server is hardwired." - guess what....it wasn't. :D:p

- empty your browser cache - reboot Proxmox host (power off/on) - try different browser, firefox, chrome.

So........multiple gateways will mess up PVE network? One gateway is oke. Got to change my /etc/network/interfaces back again... ;)

connection timed out = firewall block My tip was to add a second nameserver in /etc/resolv.conf, like 1.1.1.1

is this your problem: https://pve.proxmox.com/wiki/Upgrade_from_7_to_8#Network_Interface_Name_Change

Never knew you could add these gateways via the config file. But why does the webgui complain about adding more than one gateway.....? Thanks for this information!

Just a quick question....how did you add all those different gateways, because when I try that Proxmox says "gateway already configured on vmbr0". Or is that a cluster "thing", and I have no cluster in my homelab..

Just wondering, why the firewall is on at vmbr2.... is that a DMZ connection? Did you also install the guest tools on those interfaces? I read that if you run pfSense in VMware one should not install the guest tools (reason ??).

..told you so.. ;)

- hints for OVS or for vmbr ?

It could work, but only 1 vmbr can have a gateway. I use Openvswitch and the vmbr10 20 and 30 are vlans, not bridges.

oh and it's address, not adress in /etc/network/interfaces. "adress 192.168.178.210"

From Proxmox host start a # ping 192.168.178.1 and plug the ethernet cable from port 1 through 4 and see which port has connection to the FB. (ping reply)

By router you mean internet? If so, PVE can run without router but you can not update/upgrade the host (obviously). I think you don't understand my point with the number of ports... In the old days one could create a 1-1 network connection by using a UTP cross cable. Give both devices a unique...

"How would i need to setup the DHCP server in that case." - Google : https://www.tutorialspoint.com/how-to-install-a-dhcp-server-in-ubuntu-and-debian Create a LXC Debian in PVE and apply the above.

Can you tell us how many ethernet ports that Ugreen hub has... I did a Google search and found hubs with only 1 ethernet port, this way you can not make a direct connection PVE host <> macbook. You are short of a port.

Not sure what that Ugreen hub can do or how many ethernet ports it has. But if it has only 1 ethernet port, then you cannot plug in both PVE host and your macbook. I think you're better of with a cheap small 5-port tp-link switch, also for future expansions etc.

Proxmox host has a static ip address. No action needed. Your macbook also needs to have a static ip address (same subnet as PVE host). Not sure if the Ugreen hub will accept UTP straight cable, you can try and if that fails to connect try a crossover UTP cable. (or you can buy an extra 5-port...

Just out of curiosity, what mini pc did you buy ? I’m also looking for a mini pc to run Proxmox on without problems.

My firewall box has 3 nics, one reserved for dmz. All my Proxmox hosts have 2 nics onboard. I don’t have the need for a dmz, so I only use vlans.