Example A-16 R3 s Configuration

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Chapter 9 Router Configurations and Diagrams

Figure A-2 shows the network diagram for IGRP.

Figure A-2. IGRP Diagram

R3 Configuration

Example A-16 R3's Configuration

 ! version 11.2 no service password-encryption no service udp-small-servers no service tcp-small-servers ! hostname R3 ! enable password falcons ! no ip domain-lookup ip host R1 192.169.1.1 ip host R2 192.169.2.2 ip host R3 192.169.3.3 ip host R4 192.169.4.4 ip host R5 192.169.5.5 ip host R6 192.169.6.6 ! interface Loopback0  ip address 192.169.3.3 255.255.255.0 ! interface Ethernet0  ip address 192.168.3.3 255.255.255.0 ! interface Serial0  description This interface connects to R2's S0(DLCI 200) and R4's S0 (DLCI 100  ip address 192.168.100.3 255.255.255.0  encapsulation frame-relay  frame-relay lmi-type ansi ! interface Serial1  description This interface connects to R5's S0 (DCE)  ip address 192.168.35.3 255.255.255.0 ! router igrp 200  network 192.168.35.0  network 192.169.3.0 ! no ip classless ! banner motd # This is Router 3 # ! line con 0  exec-timeout 0 0  password falcons  logging synchronous line aux 0 line vty 0 4  password falcons  login ! end 

R5 Configuration

Example A-17 R5's Configuration

 ! version 11.2 no service password-encryption no service udp-small-servers no service tcp-small-servers ! hostname R5 ! enable password falcons ! no ip domain-lookup ip host R5 192.169.5.5 ip host R1 192.169.1.1 ip host R2 192.169.2.2 ip host R3 192.169.3.3 ip host R4 192.169.4.4 ip host R6 192.169.6.6 ! interface Loopback0  ip address 192.169.5.5 255.255.255.0 ! interface Serial0  description This interface connects to R3's S1 (DTE)  ip address 192.168.35.5 255.255.255.0  no fair-queue  clockrate 2000000 ! interface Serial1  no ip address  shutdown ! interface TokenRing0  description This interface does not connect with another IP device  ip address 192.168.50.5 255.255.255.0  ring-speed 16 ! interface BRI0  no ip address  shutdown ! router igrp 200  passive-interface Loopback0  network 192.168.35.0  network 192.168.50.0  network 192.169.5.0 ! no ip classless ! banner motd # This is Router 5 # ! line con 0  exec-timeout 0 0  password falcons  logging synchronous line aux 0 line vty 0 4  password falcons  login ! end 

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