Proxmox host lost internet connection


Oct 16, 2018
I had to change my router over the last weekend which meant IP address change for my proxmox machine.

This is the network setup from the PVE node


This is the interfaces output from
root@enterprise:~# cat /etc/network/interfaces
# network interface settings; autogenerated
# Please do NOT modify this file directly, unless you know what
# you're doing.
# If you want to manage part of the network configuration manually,
# please utilize the 'source' or 'source-directory' directives to do
# so.
# PVE will preserve these directives, but will NOT its network
# configuration from sourced files, so do not attempt to move any of
# the PVE managed interfaces into external files!

auto lo
iface lo inet loopback

iface enp0s31f6 inet manual

auto vmbr0
iface vmbr0 inet static
        bridge-ports enp0s31f6
        bridge-stp off
        bridge-fd 0

If I try to png anything from the host I get an error
root@enterprise:~# ping
ping: Temporary failure in name resolution

I have 2 VM's and 2 containers setup, both the VM's can access the Internet but both the containers cant. The VM's and containers can talk to each other fine.

Is there somewhere else I need to update the network settings, the old router gave IP address of 192.168.86.xx and the new is 192.168.1.xx. The server and guests all have static IP's
are host and container firewall disabled, do you have some old firewall rules?


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