dhcp_firt_ip = str(server_net['network']['dhcp_first_ip'])
dhcp_last_ip = str(server_net['network']['dhcp_last_ip'])
dhcp_cidr = str(server_net['network']['cidr'])
dhcp_firt_ip = str(server_net['network']['dhcp_first_ip'])
dhcp_last_ip = str(server_net['network']['dhcp_last_ip'])
dhcp_cidr = str(server_net['network']['cidr'])