[PVE-User] OSPF when migrating from v8 to v9

[Flavio Visentin]

Hi,

On 10/7/25 17:58, Julien OHAYON wrote:
 > Thanks for your reply. Unfortunately, when we apply the SDN
 > configuration, it modifies the daemons file and sets it to “no”, since
 > we haven’t configured OSPF directly in Proxmox. That’s the file I
 > would like to prevent from being modified.


Did you try to make the file /etc/frr/daemons immutable during SDN enabling?

chattr +i /etc/frr/daemons

Maybe it fails with error, but giving a try doesn't cost anything.
Then you can configure the routing and finally remove the immutable 
attribute.

Flavio