CentOS 7
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Dnsmasq : Configure DHCP Server
2016/08/31
 
Enable integrated DHCP function in Dnsmasq and Configure DHCP Server.
[1] Configure Dnsmasq.
[root@dlp ~]#
vi /etc/dnsmasq.conf
# line 146: add (range of IP address to lease and term of lease)

dhcp-range=10.0.0.200,10.0.0.250,12h
# line 316: add (define default gateway)

dhcp-option=option:router,10.0.0.1
# line 325: add (define NTP, DNS, server and subnetmask)

dhcp-option=option:ntp-server,10.0.0.10
dhcp-option=option:dns-server,10.0.0.10
dhcp-option=option:netmask,255.255.255.0
[root@dlp ~]#
systemctl restart dnsmasq

[2] If Firewalld is running, allow DHCP service. DHCP server uses 67/UDP.
[root@dlp ~]#
firewall-cmd --add-service=dhcp --permanent

success
[root@dlp ~]#
firewall-cmd --reload

success
[3]
It's OK all, Configure DHCP client on client computer and verify it works normally.
 
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