IP Routing Lab Scenarios

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Date of Issue: 04-01-2000
IP Routing Lab Scenarios
by Howard Berkowitz
IP Routing Scenario 1 - RIP
Sample Configuration
Router Parsley
Router Sage
Router Rosemary
IP Routing Scenario 2 - IGRP
Sample Configuration
Router parsley
Router Sage
Router Rosemary
IP Routing Scenario 1 - RIP
Fill in the needed IP address and network statements to make the configuration in Figure 1 work.
Figure 1
Sample Configuration
Router Parsley
no ip subnet-zero
hostname parsley
!
int e0
description shared Ethernet
ip address _____________
ip directed-broadcast
int s0
description serial link to sage
ip address _____________
int s1

description serial link to rosemary
ip address _____________
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router rip
network _____________
network _____________
ip host sage _____________
ip host rosemary _____________
no ip domain-lookup
no service config
Router Sage
no ip subnet-zero
hostname sage
!
int e0
description shared Ethernet
ip address _____________
ip directed-broadcast
int s0
description serial link to parsley
ip address _____________
int s1
description serial link to rosemary
ip address _____________
router rip
network _____________
network _____________
ip host parsley _____________
ip host rosemary _____________no ip domain-lookup

no service config
Router Rosemary
no ip subnet-zero
hostname rosemary
!
int e0
description shared Ethernet
ip address _____________
ip directed-broadcast
int s0
description serial link to rosemary
ip address _____________
int s1
description serial link to sage
ip address _____________
router rip
network _____________
network _____________
ip host parsley _____________
ip host sage _____________
no ip domain-lookup
no service config
IP Routing Scenario 2 - IGRP
Convert the network you created in Scenario 1 to IGRP. As you convert to IGRP, renumber the interfaces on each
router (or pair of routers when necessary) to be in the 172.16.0.0 address space, using the subnet mask of
255.255.255.0. This mask will waste some address space.
As you make each change, do show ip route, show ip protocols, ping and traceroute to check connectivity. If a
link you think should be reachable is not, wait about 5 minutes to see if the needed update is being suppressed or
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has not yet arrived.
Sample Configuration
Router parsley
no ip subnet-zero
hostname parsley
!
int e0
description shared Ethernet
ip address 172.16.1.33 255.255.255.0
int s0
description serial link to sage
ip address 172.16.2.0 255.255.255.0
int s1
description serial link to rosemary
ip address 172.16.3.0 255.255.255.0
router igrp 1
network 172.16.0.0
ip host sage ___________
ip host rosemary ___________
no ip domain-lookup
no service config
Router Sage
no ip subnet-zero
hostname sage
!
int e0
description shared Ethernet
ip address ___________ ___________
int s0
description serial link to parsley

ip address ___________ ___________
int s1
description serial link to rosemary
ip address ___________ ___________
router igrp 100
network ___________
network ___________
ip host parsley ___________
ip host rosemary ___________
no ip domain-lookup
no service config
Router Rosemary
no ip subnet-zero
hostname rosemary
!
int e0
description shared Ethernet
ip address ___________ __________
int s0
description serial link to rosemary
ip address __________ __________
int s1
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description serial link to sage
ip address __________ __________
router igrp 100
network __________
network __________
ip host parsley __________

ip host sage __________
no ip domain-lookup
no service config
[NA-IPRO-LS1&2-F02]
[2000-03-29-01]
Copyright © 2000 Genium Publishing Corporation