This article will describe installing dhcp-server and running DHCP server.
Table of Contents
1 Install dhcp-server
Install dhcp-server with zypper.
> sudo zypper -n in dhcp-server > sudo systemctl enable dhcpd
You must set DHCPD_INTERFACE in /etc/sysconfig/dhcpd. Set interface name which is displayed by /sbin/ifconfig. This article uses "eth0".
> sudo sed -e 's/^DHCPD_INTERFACE=.*/DHCPD_INTERFACE="eth0"/g' \
-i /etc/sysconfig/dhcpd
2 /etc/dhcpd.conf
Define domain name, DHCP server and gateway. Mapping MAC address 52:54:00:5e:7a:a4 to IP address 192.168.11.254.
> DHCP_CLIENT_MACADDR=52:54:00:5e:7a:a4
> DHCP_SERVER_IPADDR=192.168.11.76
> cat <<EOF | sudo tee /etc/dhcpd.conf
subnet 192.168.11.0 netmask 255.255.255.0 {
option domain-name "hiroom2.com";
option domain-name-servers ${DHCP_SERVER_IPADDR};
option routers 192.168.11.1;
}
host client {
hardware ethernet ${DHCP_CLIENT_MACADDR};
fixed-address 192.168.11.254;
option host-name "client";
}
EOF
Restart dhcpd.
> sudo systemctl restart dhcpd
3 Execution result
Checking IP address on client machine.
IP address is provided.
> ip a s
<snip>
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
state UP group default qlen 1000
link/ether 52:54:00:5e:7a:a4 brd ff:ff:ff:ff:ff:ff
inet 192.168.11.254/24 brd 192.168.11.255 scope global eth0
valid_lft forever preferred_lft forever
inet6 fe80::5054:ff:fe5e:7aa4/64 scope link
valid_lft forever preferred_lft forever
DNS information is provided.
> cat /etc/resolv.conf <snip> search hiroom2.com nameserver 192.168.11.76
Hostname is provided.
> hostname -f client.hiroom2.com