Hello everyone,
Hetzner Dedicated Server
168.xxx.yyy.aaa / Main Server IP
168.xxx.yyy.zzz / Main Server Gateway
168.xxx.yyy.111-333 / additional IPs (3 single)
On Proxmox i have a VM install in which Proxmox Back Server runs - using vmbr0 / 168.xxx.yyy.111
And that works perfectly (IN/OUT)
Now when I create a VM or Container which uses vmbr2 / 168.xxx.yyy.333
it does not work at all, no IN/OUT traffic works.
I tried every possible distribution Debian 11, Ubuntu 20.04 etc.
Also different config, like /etc/network/interfaces and netplan, in nearly endless combinations with
pointopoint and not and different variations. Nothing works. While the same set-up works on vmbr0 / 168.xxx.yyy.111
Fun-fact, in the VM (PBS) the /etc/network/interfaces only contains
Here is my HOST-config:
Does anyone has an idea why vmbr0 is working and witht he same settings vmbr2 is not?
Also firewall-settings are fine, same as for 168.xxx.yyy.111 just different IP (obviously)
Thank you for your time, and hopefully someone has an idea.
Best regards!
Hetzner Dedicated Server
168.xxx.yyy.aaa / Main Server IP
168.xxx.yyy.zzz / Main Server Gateway
168.xxx.yyy.111-333 / additional IPs (3 single)
On Proxmox i have a VM install in which Proxmox Back Server runs - using vmbr0 / 168.xxx.yyy.111
And that works perfectly (IN/OUT)
Now when I create a VM or Container which uses vmbr2 / 168.xxx.yyy.333
it does not work at all, no IN/OUT traffic works.
I tried every possible distribution Debian 11, Ubuntu 20.04 etc.
Also different config, like /etc/network/interfaces and netplan, in nearly endless combinations with
pointopoint and not and different variations. Nothing works. While the same set-up works on vmbr0 / 168.xxx.yyy.111
Fun-fact, in the VM (PBS) the /etc/network/interfaces only contains
Code:
address 168.xxx.yyy.111
gateway 168.xxx.yyy.aaa
Here is my HOST-config:
Code:
auto lo
iface lo inet loopback
iface eno2 inet manual
auto eno1
iface eno1 inet static
address 168.xxx.yyy.aaa/25
gateway 168.xxx.yyy.zzz
pointopoint 168.xxx.yyy.zzz
auto vmbr0
iface vmbr0 inet static
address 168.xxx.yyy.aaa/32
bridge-ports none
bridge-stp off
bridge-fd 0
post-up echo 1 > /proc/sys/net/ipv4/ip_forward
up ip route add 168.xxx.yyy.111/32 dev vmbr0
auto vmbr1
iface vmbr1 inet static
address 168.xxx.yyy.aaa/32
bridge-ports none
bridge-stp off
bridge-fd 0
post-up echo 1 > /proc/sys/net/ipv4/ip_forward
up ip route add 168.xxx.yyy.222/32 dev vmbr1
auto vmbr2
iface vmbr2 inet static
address 168.xxx.yyy.aaa/32
bridge-ports none
bridge-stp off
bridge-fd 0
post-up echo 1 > /proc/sys/net/ipv4/ip_forward
up ip route add 168.xxx.yyy.333/32 dev vmbr2
Does anyone has an idea why vmbr0 is working and witht he same settings vmbr2 is not?
Also firewall-settings are fine, same as for 168.xxx.yyy.111 just different IP (obviously)
Thank you for your time, and hopefully someone has an idea.
Best regards!