subnet 192.168.10.0 netmask 255.255.255.0 { dynamic-dhcp range 192.168.10.10 192.168.10.254 { option subnet-mask 255.255.255.0; option broadcast-address 192.168.10.255; option routers 192.168.10.1; option dhcp-lease-time 30000; option domain-name-servers 8.8.8.8; option domain-name "testlab"; } } subnet 192.168.11.0 netmask 255.255.255.0 { dynamic-dhcp range 192.168.11.10 192.168.11.254 { option subnet-mask 255.255.255.0; option broadcast-address 192.168.11.255; option routers 192.168.11.1; option dhcp-lease-time 30000; option domain-name-servers 8.8.8.8; option domain-name "testlab"; } } subnet 192.168.12.0 netmask 255.255.255.0 { dynamic-dhcp range 192.168.12.10 192.168.12.254 { option subnet-mask 255.255.255.0; option broadcast-address 192.168.12.255; option routers 192.168.12.1; option dhcp-lease-time 30000; option domain-name-servers 8.8.8.8; option domain-name "testlab"; } }