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I'm going to write this one down for documentation for the future and maybe other people might have the same problem. So we moved from a private place to the data center, what we did not know on our Dell server the first 2 Ethernet port is 10G the last 2 is only 1G. The switches what they have...

auto eno2np1 #real IP address iface eno2np1 inet static address 1.1.36.179 netmask 255.255.255.224 gateway 1.1.36.190 ah yeah not with the same ip :)

So my question is if the vmbr0 is on a internal address, do I have to have exactly the same config as here: https://pve.proxmox.com/wiki/Network_Configuration#_masquerading_nat_with_tt_span_class_monospaced_iptables_span_tt (so with the ipv4_forwarding and masquerading to able to ping the the...

auto lo iface lo inet loopback auto eno1np0 iface eno1np0 inet manual auto eno2np1 iface eno2np1 inet manual auto eno3 iface eno3 inet manual auto eno4 iface eno4 inet manual auto vmbr0 iface vmbr0 inet static address 192.168.30.2 (internal network) netmask 255.255.255.0 network...

I got access to the gui. So now how I'm going to change this network config?

I can't reach the GUI. Or from now I have no idea how to.

auto lo iface lo inet loopback auto eno1np0 iface eno1np0 inet manual auto eno2np1 iface eno2np1 inet manual auto eno3 iface eno3 inet manual auto eno4 iface eno4 inet manual auto br0 iface br0 inet static bridge_ports eno1np0 address 1.1.36.178 netmask 255.255.255.224 network 1.1.36.176...

you mean in datacenter.cfg in /etc/pve ? pve_firewall stop?

Hm, how can I disable the firewall on boot? Cause if I reboot it comes back.

Hey Stoiko, Thank you for your answer. Well even with just configuring the adapter to a public IP I can't ping the gateway. auto eno1np0 iface eno1np0 inet static address 1.2.3.4 netmask x.x.x.x gateway 1.2.3.7 So this is it atm cause I wanted to know if the simplest network config...

So we moved into a datacenter and I tried to change my network configuration from Default tho routed or NAT-ed. Unfortunately looks like we can't get to get outside. I can't ping even the gateway. Any ideas?

So I guess my question more like if I use the following config: auto lo iface lo inet loopback auto eno1np0 #real IP address iface eno1np0 inet static address 198.51.100.5 netmask 255.255.255.0 gateway 198.51.100.1 auto vmbr0 iface vmbr0 inet static address 192.168.80.2 netmask 255.255.255.0...

Hi, I'm new to proxmox and networking in general, and I'm facing a problem I have to move an existing proxmox server which has a default configuration using a bridge cause it's private LAN, using an external gateway to reach the internet. I have an internal DNS server there so all IP address on...