can't reach the gateway of my lan network

[mo5820]

I have problems with my proxmox 4 virtual machines. I can't reach the gateway of my lan network and I don't have internet access

vm that I am creating are isolated from the lan

 

[Chris]

I have problems with my proxmox 4 virtual machines. I can't reach the gateway of my lan network and I don't have internet access

vm that I am creating are isolated from the lan

Hi,
please post your network configuration cat /etc/network/interfaces and the config of one of your vms qm config <vmid>. Do your VMs have a vaild IP address, can you ping the gateway?
How did you isolate the VMs from the LAN as you stated?