#sample config file
cat /etc/dhcp/dhcpd.conf
authoritative;
default-lease-time 600;
max-lease-time 7200;


subnet 192.168.199.0 netmask 255.255.255.0 {
allow unknown-clients;
authoritative;
range 192.168.199.200 192.168.199.250;
option routers 192.168.199.1;
option broadcast-address 192.168.199.255;
default-lease-time 600;
max-lease-time 7200;
}


#show dhcp leases
/usr/sbin/dhcp-lease-list
To get manufacturer names please download http://standards.ieee.org/regauth/oui/oui.txt to /usr/local/etc/oui.txt
Reading leases from /var/lib/dhcp/dhcpd.leases
MAC IP hostname valid until manufacturer
===============================================================================================
44:5b:ed:7d:c6:81 192.168.199.110 Aruba-Stack-38 2022-06-02 07:07:22 -NA-
44:5b:ed:6e:f7:81 192.168.199.105 Aruba-Stack-38 2022-06-02 07:07:54 -NA-

#dhcp server commands
dhcpcd -h #show options
dhcpcd -l 3600 #set the leasetime in seconds
dhcpcd -x #exit / turn of the dhcp service

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