Netzwork / Wireless Internet / DHCP don't work

Well i fail here, i used the same subnet of the vmbr0 thats why it didnt work... ofc its can work if a subnet is already used but there is another problem to in ordner to use this vlan dhcp i needed to restart the hole system cause after refreshing the network everything dont work anymore, no internet<- So after setting it up and after proxmox refresh the network it didnt work so i have restart the system and then it did work why it is like that idk but if i change something i need to restart. Now it works Thanks!

i was hoping to use it on my main subnetwork but sadly that wont work. So i gona only use importen vm on my main subnetwork and set it up manuel and for others just that new vlan0 of the SDN /Vnets

Thanks o_O :):)
 
Last edited:
OMG adding source to interfaces config fixed my SDN issue after upgrade from ProxMox 7 to 8
Thank you I had spent two days on this issue until I found this fix. My error was:
Code: 
WARN: missing 'source /etc/network/interfaces.d/sdn' directive for SDN support!

Now I know after upgrade of ProxMox 7 to ProxMox 8 make sure
source /etc/network/interfaces.d/*
Click to expand...
Is in /etc/network/interfaces
Thanks again @shanreich for the fix you provided here!!! :)

Regards,
Al
 
Jackiix said:
Well i fail here, i used the same subnet of the vmbr0 thats why it didnt work... ofc its can work if a subnet is already used but there is another problem to in ordner to use this vlan dhcp i needed to restart the hole system cause after refreshing the network everything dont work anymore, no internet<- So after setting it up and after proxmox refresh the network it didnt work so i have restart the system and then it did work why it is like that idk but if i change something i need to restart. Now it works Thanks!

i was hoping to use it on my main subnetwork but sadly that wont work. So i gona only use importen vm on my main subnetwork and set it up manuel and for others just that new vlan0 of the SDN /Vnets

Thanks o_O :):)
Click to expand...
Check your cidr used are they the same on both networks?
 
apauna said:
Check your cidr used are they the same on both networks?
Click to expand...
I used the same sub ip adresse from my main server, thats what i wanted but i didnt work and that was the reason, so i take another sub ip like instand 192.169.0.0 i take 192.169.1.0 then it did work and also the netzwork between main server and VM's even they are not on the same ip range.
 
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