---

Required Hardware:

1.       3 Routers with Serial Interfaces

2.       2 Serial Back to Back Cables (One end of the cable is DTE & Opposite end DCE)

      3.       1 Console Cable or Rollover Cable

CONFIGURATION FOR ROUTER 1

 

Router>enable

Router#configure terminal

Router(config)#hostname R1

R1(config)#enable secret  your_routers_enable_EXEC_password

R1(config)#line vty 0 4

R1(config-line)# password vty_line_password

R1(config-line)#login

R1(config-line)#exit

R1(config)#interface serial 0

R1(config-if)#ip address 172.16.30.1 255.255.0.0

R1(config-if)#clock rate 64000

R1(config-if)#no shutdown

R1(config-if)#

R1(config)#interface serial 1

R1(config-if)#ip address 192.168.100.1 255.255.255.0

R1(config-if)#clock rate 64000

R1(config-if)#no shutdown

R1(config-if)#

R1(config-if)#end

R1#write

 [OK]

R1#

  

---

CONFIGURATION FOR ROUTER 2

Router>Enable

Router#configure terminal

Router(config)#Host R2

R2(config)#enable secret your_routers_enable_EXEC_password

R2(config)#line vty 0 4

R2(config-line)#password vty_line_password

R2(config-line)#login

R2(config-line)#exit

R2(config)#interface serial 0

R2(config-if)#ip address 192.168.100.2 255.255.255.0

R2(config-if)#no shutdown

R2(config-if)#exit

R2(config)#ip route 192.168.100.0 255.255.255.0 192.168.100.1

R2(config)#end

R2#write

R2#

 

---

CONFIGURATION FOR ROUTER 3

Router>Enable 

Router#configure terminal

Router(config)#host R3

R3(config)#enable secret your_routers_enable_EXEC_password

R3(config)#line vty 0 4

R3(config-line)# password vty_line_password

R3(config-line)#login

R3(config-line)#exit

R3(config)#interface serial 0

R3(config-if)#ip address 172.16.30.2 255.255.0.0

R3(config-if)#no shutdown

R3(config-if)#exit

R3(config)#ip route 172.16.30.0 255.255.0.0 172.16.30.1

R3(config)#end

R3#write

R3