option domain-name-servers 8.8.8.8, 8.8.4.4; option routers 172.21.0.100; option subnet-mask 255.255.255.0; subnet 192.168.37.0 netmask 255.255.255.0 { range 192.168.37.100 192.168.37.150; } host DESKTOP-U4F9M9L { hardware ethernet 7C:10:C9:25:95:E1; fixed-address 192.168.37.201; }