ROUTER 1 -CONFIGURATION R1#sh run Building configuration... Current configuration : 1341 bytes ! upgrade fpd auto version 15.2 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R1 ! boot-start-marker boot-end-marker ! ! ! no aaa new-model no ip icmp rate-limit unreachable ! ! no ip domain lookup ip cef no ipv6 cef ! multilink bundle-name authenticated ! redundancy ! ! ip tcp synwait-time 5 ! interface Loopback0 ip address 1.1.1.1 255.255.255.255 ! interface FastEthernet0/0 ip address 192.168.14.1 255.255.255.0 duplex half ! interface FastEthernet1/0 no ip address shutdown duplex auto speed auto ! interface FastEthernet1/1 no ip address shutdown duplex auto speed auto ! interface FastEthernet2/0 no ip address shutdown duplex auto speed auto ! interface FastEthernet2/1 no ip address shutdown duplex auto speed auto ! router ospf 1 network 1.1.1.1 0.0.0.0 area 1 network 192.168.14.0 0.0.0.255 area 1 ! ip forward-protocol nd no ip http server no ip http secure-server ! no cdp log mismatch duplex ! control-plane ! ! ! mgcp profile default ! gatekeeper shutdown ! ! line con 0 exec-timeout 0 0 privilege level 15 logging synchronous stopbits 1 line aux 0 exec-timeout 0 0 privilege level 15 logging synchronous stopbits 1 line vty 0 4 login transport input all ! ! end R1# ROUTER 2 -CONFIGURATION R2#sh run Building configuration... Current configuration : 1341 bytes ! upgrade fpd auto version 15.2 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R2 ! boot-start-marker boot-end-marker ! no aaa new-model no ip icmp rate-limit unreachable ! ! no ip domain lookup ip cef no ipv6 cef ! multilink bundle-name authenticated ! redundancy ! ! ip tcp synwait-time 5 ! interface Loopback0 ip address 2.2.2.2 255.255.255.255 ! interface FastEthernet0/0 ip address 192.168.24.2 255.255.255.0 duplex half ! interface FastEthernet1/0 no ip address shutdown duplex auto speed auto ! interface FastEthernet1/1 no ip address shutdown duplex auto speed auto ! interface FastEthernet2/0 no ip address shutdown duplex auto speed auto ! interface FastEthernet2/1 no ip address shutdown duplex auto speed auto ! router ospf 1 network 2.2.2.2 0.0.0.0 area 2 network 192.168.24.0 0.0.0.255 area 2 ! ip forward-protocol nd no ip http server no ip http secure-server ! no cdp log mismatch duplex ! control-plane ! mgcp profile default ! gatekeeper shutdown ! ! line con 0 exec-timeout 0 0 privilege level 15 logging synchronous stopbits 1 line aux 0 exec-timeout 0 0 privilege level 15 logging synchronous stopbits 1 line vty 0 4 login transport input all ! ! end R2# R3 CONFIGURATION R3#sh run Building configuration... Current configuration : 1341 bytes ! upgrade fpd auto version 15.2 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R3 ! boot-start-marker boot-end-marker ! ! ! no aaa new-model no ip icmp rate-limit unreachable ! no ip domain lookup ip cef no ipv6 cef ! multilink bundle-name authenticated ! redundancy ! ! ip tcp synwait-time 5 ! interface Loopback0 ip address 3.3.3.3 255.255.255.255 ! interface FastEthernet0/0 ip address 192.168.34.3 255.255.255.0 duplex half ! interface FastEthernet1/0 no ip address shutdown duplex auto speed auto ! interface FastEthernet1/1 no ip address shutdown duplex auto speed auto ! interface FastEthernet2/0 no ip address shutdown duplex auto speed auto ! interface FastEthernet2/1 no ip address shutdown duplex auto speed auto ! router ospf 1 network 3.3.3.3 0.0.0.0 area 3 network 192.168.34.0 0.0.0.255 area 3 ! ip forward-protocol nd no ip http server no ip http secure-server ! ! ! no cdp log mismatch duplex ! control-plane ! mgcp profile default gatekeeper shutdown ! ! line con 0 exec-timeout 0 0 privilege level 15 logging synchronous stopbits 1 line aux 0 exec-timeout 0 0 privilege level 15 logging synchronous stopbits 1 line vty 0 4 login transport input all ! ! end R3# R4 CONFIGURATION R4#sh run Building configuration... Current configuration : 1935 bytes ! upgrade fpd auto version 15.2 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R4 ! boot-start-marker boot-end-marker ! ! ! no aaa new-model no ip icmp rate-limit unreachable ! ! ! ! ! ! no ip domain lookup ip cef no ipv6 cef ! multilink bundle-name authenticated redundancy ip tcp synwait-time 5 interface Loopback0 ip address 4.4.4.4 255.255.255.255 ! interface FastEthernet0/0 ip address 192.168.14.4 255.255.255.0 duplex auto speed auto ! interface FastEthernet0/1 ip address 192.168.24.4 255.255.255.0 duplex auto speed auto ! interface FastEthernet1/0 ip address 192.168.34.4 255.255.255.0 duplex auto speed auto ! interface FastEthernet1/1 no ip address shutdown duplex auto speed auto ! interface FastEthernet2/0 no ip address shutdown duplex auto speed auto ! interface FastEthernet2/1 no ip address shutdown duplex auto speed auto ! router ospf 1 area 3 filter-list prefix INTO-AREA3 in area 3 filter-list prefix OUT-AREA3 out network 4.4.4.4 0.0.0.0 area 0 network 192.168.14.0 0.0.0.255 area 1 network 192.168.24.0 0.0.0.255 area 2 network 192.168.34.0 0.0.0.255 area 3 ! ip forward-protocol nd no ip http server no ip http secure-server ! ip prefix-list INTO-AREA3 seq 5 deny 2.2.2.2/32 ip prefix-list INTO-AREA3 seq 6 deny 192.168.14.0/24 ip prefix-list INTO-AREA3 seq 7 deny 192.168.24.0/24 ip prefix-list INTO-AREA3 seq 10 permit 0.0.0.0/0 le 32 ! ip prefix-list OUT-AREA3 seq 5 deny 3.3.3.3/32 ip prefix-list OUT-AREA3 seq 10 permit 0.0.0.0/0 le 32 no cdp log mismatch duplex control-plane ! mgcp profile default ! gatekeeper shutdown ! ! line con 0 exec-timeout 0 0 privilege level 15 logging synchronous stopbits 1 line aux 0 exec-timeout 0 0 privilege level 15 logging synchronous stopbits 1 line vty 0 4 login transport input all ! ! end R4#