Domain Name Server (DNS) 400 ipv4 Domain Name Server (DNS) address ipv6 Domain Name Server (DNS) address System host name (default: vyos) [A-Za-z0-9][-.A-Za-z0-9]*[A-Za-z0-9] System domain name [A-Za-z0-9][-.A-Za-z0-9]* Domain Name Server (DNS) domain completion order 400 DNS domain completion order ^[-a-zA-Z0-9.]+$ Invalid domain name Disable DHCP updates of DNS settings 300