DHCP Server on Cisco 2960 Switches

ip dhcp excluded-address 172.17.0.1 172.17.0.50
ip dhcp pool 172.17.0.0/21
network 172.17.0.0 255.255.248.0
default-router 172.17.0.1 (yours)
dns-server 213.42.20.20 195.229.241.222 8.8.8.8
lease 4
ip dhcp snooping
ip dhcp-server 172.17.0.2
interface vlan 1
ip address 172.17.0.2