This article will describe installing dhcp and running DHCP server.
Table of Contents
1 Install dhcp
Install dhcp package with dnf.
$ sudo dnf install -y dhcp $ sudo firewall-cmd --add-service=dhcp --permanent $ sudo firewall-cmd --reload $ sudo systemctl enable dhcpd $ sudo systemctl restart dhcpd
2 /etc/dhcp/dhcpd.conf
Define domain name, DHCP server IP address and gateway IP address. MAC address 52:54:00:5e:7a:a4 machie is assigned IP address 192.168.11.250 and hostname "client.hiroom2.com".
$ cat /etc/dhcp/dhcpd.conf
subnet 192.168.11.0 netmask 255.255.255.0 {
option domain-name "hiroom2.com";
option domain-name-servers 192.168.11.2, 192.168.11.1;
option routers 192.168.11.1;
}
host client {
hardware ethernet 52:54:00:5e:7a:a4;
fixed-address 192.168.11.250;
option host-name "client.hiroom2.com";
}
Restart dhcpd for update confituration.
$ sudo systemctl restart dhcpd
3 Execution result
Run the following command on client machine.
hostname is provided.
$ hostnamectl
Static hostname: localhost.localdomain
Transient hostname: client.hiroom2.com
Icon name: computer-vm
Chassis: vm
Machine ID: 3ba892070dae45849f0ccc5e362387a9
Boot ID: f511e759abc144adbb71d996b9c461e0
Virtualization: kvm
Operating System: Fedora 28 (Workstation Edition)
CPE OS Name: cpe:/o:fedoraproject:fedora:28
Kernel: Linux 4.16.7-300.fc28.x86_64
Architecture: x86-64
IP address is provided.
$ ip a s
<snip>
2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel
state UP group default qlen 1000
link/ether 52:54:00:5e:7a:a4 brd ff:ff:ff:ff:ff:ff
inet 192.168.11.250/24 brd 192.168.11.255 scope global dynamic ens3
valid_lft 43069sec preferred_lft 43069sec
inet6 fe80::6501:7500:7614:8a9f/64 scope link
valid_lft forever preferred_lft forever
DNS servers are provided.
$ cat /etc/resolv.conf # Generated by NetworkManager search hiroom2.com nameserver 192.168.11.2 nameserver 192.168.11.1