DHCP Configuration for Cisco router

router>ena
router#config t
router(config)#ip dhcp pool name
router(config)#network 192.168.10.0 255.255.255.240
router(config)#dns-server 10.189.10.1
router(config)#default-router 192.168.10.1
router(config)#lease infinite
router(config)#ip dhcp excluded-address 192.168.10.1
router(config)#service dhcp