[SOLVED] IPv4 access lost after VM snapshot rollback

r4dh4l

Active Member
Feb 5, 2018
88
7
28
Hi,

I had a problem after upgrading one of my VMs to Debian 11 so I made a rollback followed by a VM restart. Now the VM has lost it's IPv4 address, only IPv6 is available:
Screenshot_2022-06-11_00-50-27.png

My Proxmox version in use is: 6.4-14

Any ideas how this could happen and how I can get back the IPv4 address?
 
Last edited:
Thank your for your reply.

> how does the container get its IP addresses normally?

Via DCHP and I've changed nothing in my router config. The only thing I can remember which maybe could cause the problem is that I create the snapshot while the VM was running. Maybe I had to shutdown the VM to get a "clean" snapshot?
 
Last edited:
For some reason the VM got an IPv4 after shutting down and restarting instead of just rebooting.

/solved
 
  • Like
Reactions: shrdlicka
Because I had the same problem with another VM: Maybe the DHCP lease time of my router was too long (3 weeks). After setting it to 30 minutes the VM got the usual IP back.
 

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