Able to configure network Basics 
         
               -  Initial configurations (hostname, password, SSH)
               -  Interface configurations
               -  Global configurations
           
Also Complex configuration 

               -  DHCP server configurations
               -  NAT/PAT configurations     
               -  Dynamic and Static Routing (RIP, RIP v2, OSPF, EIGRP, IS-IS, BGP)
               -  ACL configurations
               -  AAA configurations
               -  SNMP configurations   
               -  VPN configurations       

Include here Wireless Routers