bin "nat-share" about "Start a DHCP + dnsmasq NAT server on an interface, sharing the upstream connection" flag "-u --upstream" help="Upstream/WAN interface to NAT through (default: default route)" flag "-s --subnet" help="/24 subnet prefix for the served link (default: 10.42.0)" flag "--range" help="DHCP host range within the /24 (default: 10-254)" flag "--lease" help="DHCP lease time (default: 12h)" flag "--dns" help="Upstream DNS server to forward to (default: system resolv.conf)" flag "-h --help" help="Show help message" flag "-b --backend" help="Firewall backend: auto | iptables | nft (default: auto-detect)" flag "--pxe