Configure DHCP server on cisco router
R1# configure terminal R1(config)# service dhcp R1(config)# ip dhcp pool NET-POOL R1(dhcp-config)# network 192.168.1.0 255.255.255.0 R1(dhcp-config)# default-router 192.168.1.1 R1(dhcp-config)# dns-server 192.168.1.5 195.170.0.1
R1(dhcp-config)# domain-name Firewall.cx R1(dhcp-config)# lease 9
R1(config)# ip dhcp excluded-address 192.168.1.1 192.168.1.5 R1(config)# ip dhcp excluded-address 192.168.1.10
R1# show ip dhcp binding
References :
http://www.firewall.cx/cisco-technical-knowledgebase/cisco-routers/812-cisco-router-dhcp-config.html