Router>enable
Router#configure terminal
Router(config)#hostname DVtoDC
DVtoDC (config)#enable secret class
DVtoDC (config)#line console 0
DVtoDC (config-line)#login
DVtoDC (config-line)#password cisco
DVtoDC (config-line)#logging synchronous
DVtoDC (config-line)#vty 0 4
DVtoDC (config-line)#login
DVtoDC (config-line)#password cisco
DVtoDC (config-line)#logging synchronous
DVtoDC (config-line)#line aux 0
DVtoDC (config-line)#login
DVtoDC (config-line)#password cisco
DVtoDC (config-line)#logging synchronous
DVtoDC (config-line)#exit
DVtoDC (config)#interface s0
DVtoDC (config-if)#ip address 75.0.1.200 255.255.255.0
DVtoDC (config-if)#description s0 connects Desert View LAN to Data Center via T1 point to point
DVtoDC (config-if)#no shutdown
DVtoDC (config-if)#interface e0
DVtoDC (config-if)#ip address 10.0.102.1 255.255.254.0
DVtoDC (config-if)#description e0 is the student/curriculum network
DVtoDC (config-if)#no shutdown
DVtoDC (config-if)#interface e1
DVtoDC (config-if)#ip address 10.0.104.1 255.255.254.0
DVtoDC (config-if)#description e1 is the teacher/administrative network
DVtoDC (config-if)#no shutdown
DVtoDC (config-if)#exit
DVtoDC (config)#router igrp 10
DVtoDC (config-router)#network 10.0.102.0
DVtoDC (config-router)#network 10.0.104.0
DVtoDC (config-router)#metric maximum-hops 50
DVtoDC (config-router)#exit
DVtoDC (config)#ip default-network 75.0.1.1
DVtoDC (config)#ip host DVtoDC 10.0.102.1 10.0.104.1 75.0.1.200
**note that the ip host table would also include all other school district routers and corresponding ip address of each of those routers**
DVtoDC (config)#ctrl z
DVtoDC #copy run start