DHCP : Configure DHCP Server2021/11/09

	Configure DHCP ( Dynamic Host Configuration Protocol ) Server to assign IP addresses to client hosts in local network.
[1]	Install and Configure DHCP. On this example, it shows only for IPv4 configuration.

[root@dlp ~]#

dnf -y install dhcp-server

[root@dlp ~]#

vi /etc/dhcp/dhcpd.conf

# create new

# specify domain name
option domain-name     "srv.world";

# specify DNS server's hostname or IP address
option domain-name-servers     dlp.srv.world;

# default lease time
default-lease-time 600;

# max lease time
max-lease-time 7200;

# this DHCP server to be declared valid
authoritative;

# specify network address and subnetmask
subnet 10.0.0.0 netmask 255.255.255.0 {
    # specify the range of lease IP address
    range dynamic-bootp 10.0.0.200 10.0.0.254;
    # specify broadcast address
    option broadcast-address 10.0.0.255;
    # specify gateway
    option routers 10.0.0.1;
}

[root@dlp ~]#

systemctl enable --now dhcpd

[2]	If Firewalld is running, allow DHCP service. DHCP Server uses [67/UDP].

[root@dlp ~]#

firewall-cmd --add-service=dhcp

success
[root@dlp ~]#

firewall-cmd --runtime-to-permanent

success

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