Proxmox host unreacheable (no UI, no able to connect by ssh)

Saddom

New Member
Jan 24, 2021
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Something strange happens 2 days ago when I reboot my proxmox server and its not available any more. Its important to mention that the VM are working fine. The issue is only with the Host machine. Im not able to access by ssh, and not avaiable any more. I had to connect a keyboard and a screen...

If I connect to the machine and ping google.com or my gateway, they are not reachable.

I attach my /etc/network/interfaces configuration and also the ip route result where you can see 4 routes set. Important: If I delete the routes related to the physical interface (enp4s0) the system start working and I can connect to the machine by ssh and UI.

Any idea why now these routes were added or why now its not working? I also reset the router but no solution..

I achieved this solution but when I reboot the machine or the network services, it appears again... :(

I also try to setup some post-up instructions for delete them but the networking services fail while starting:
-post-up ip route del 192.168.1.0/24 dev enp4s0
-post-up ip route del default via 192.168.1.1 dev enp4s0
 

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