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| — | openbsd_dhcp_server [2015/06/01 23:08] (current) – created - external edit 127.0.0.1 | ||
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| + | ====== OpenBSD DHCP Server ====== | ||
| + | Configuration is very simple, direct and intuitive. | ||
| + | |||
| + | ==== Configuration ==== | ||
| + | |||
| + | Setup the main Ethernet device to reserve the first available IP address: | ||
| + | |||
| + | '' | ||
| + | |||
| + | < | ||
| + | inet 192.168.0.2 255.255.255.0 | ||
| + | </ | ||
| + | |||
| + | Setup the name server resolution manually: | ||
| + | |||
| + | '' | ||
| + | |||
| + | < | ||
| + | search beandog.org | ||
| + | nameserver 192.168.0.2 | ||
| + | nameserver 205.171.3.25 | ||
| + | nameserver 205.171.2.25 | ||
| + | </ | ||
| + | |||
| + | Setup the server' | ||
| + | |||
| + | ''/ | ||
| + | |||
| + | < | ||
| + | 192.168.0.1 | ||
| + | </ | ||
| + | |||
| + | The localhost name: | ||
| + | |||
| + | ''/ | ||
| + | |||
| + | < | ||
| + | d64.beandog.org | ||
| + | </ | ||
| + | |||
| + | Configure the daemons to start up on boot: | ||
| + | |||
| + | '' | ||
| + | |||
| + | < | ||
| + | dhcpd_flags=re0 | ||
| + | pkg_scripts=" | ||
| + | dnsmasq_flags= | ||
| + | dbus_daemon_flags= | ||
| + | avahi_daemon_flags= | ||
| + | </ | ||
| + | |||
| + | Here's a very basic dhcpd configuration: | ||
| + | |||
| + | ''/ | ||
| + | |||
| + | < | ||
| + | option domain-name " | ||
| + | option domain-name-servers 192.168.0.2; | ||
| + | subnet 192.168.0.0 netmask 255.255.255.0 { | ||
| + | option routers 192.168.0.1; | ||
| + | range 192.168.0.3 192.168.0.254; | ||
| + | } | ||
| + | </ | ||
| + | |||
| + | ==== Router ==== | ||
| + | |||
| + | Setting up the OpenBSD server as a router only adds a few more changes. | ||
| + | |||
| + | Turn on network IP forwarding in ''/ | ||
| + | |||
| + | < | ||
| + | net.inet.ip.forwarding=1 | ||
| + | </ | ||
| + | |||
| + | Setup packet filtering in ''/ | ||
| + | |||
| + | < | ||
| + | pass out on re0 from em0:network to any nat-to (re0) | ||
| + | </ | ||
| + | |||
| + | Set the second NIC's IP address manually: | ||
| + | |||
| + | < | ||
| + | inet 192.168.12.1 255.255.255.0 | ||
| + | </ | ||
| + | ==== Extras ==== | ||
| + | |||
| + | To preserve sanity, disable the PC speaker: | ||
| + | |||
| + | ''/ | ||
| + | |||
| + | < | ||
| + | keyboard.bell.volume=0 | ||
| + | </ | ||
