This was not enough.
I had to restart the VMs.
Online there is a suggestion to use ifreload -a.
Don't know if that is the proper way to restart the network in Proxmox.
They are used for hosting files on a webserver (proxmox-mirror). For extra IP addresses (and extra local dns entries)
Installed Proxmox on top of Debian using a Proxmox guide. Did I forget a setting? Should it be /24?
No that was 5 years ago and I checked just now: File is gone. I think due to upgrades/migrations/re-installs.
Any packet that passes through the router. All invalid packets are being dropped.
As I wrote in my first post:
Client, router and...
Hi,
Setup:
Client -> Router -> Proxmox server
All on the same subnet
When the router is configured to drop invalid packets the Proxmox server is unreachable.
When the option is disabled on the router the proxmox server is reachable.
That is...