case study 8 integrating eigrp enhanced interior gateway routing protocol into existing networks
DESCRIPTION
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CASE STUDY 8 INTEGRATING EIGRP (ENHANCED INTERIOR
GATEWAY ROUTING PROTOCOL) INTO EXISTING NETWORKS
The case study should provide the benefits and considerations involved in integrating Enhanced
IGRP into the following types of internetworks:
IPThe existing IP network is running IGRP
Novell IPXThe existing IPX network is running RIP and SAP
AppleTalkThe existing AppleTalk network is running the Routing Table Maintenance
Protocol (RTMP)
When integrating Enhanced IGRP into existing networks, plan a phased implementation. Add
Enhanced IGRP at the periphery of the network by configuring Enhanced IGRP on a boundary
router on the backbone off the core network. Then integrate Enhanced IGRP into the core
network
REQUIREMENTS:
Three CISCO 2811 routers.
Three 24 Port CISCO switch.
Copper Straight through cables.
Three Serial Line cables.
Nine Windows PCs
Class A and Class C IP Address.
EIGRP Routing protocol Configuration commands.
Basic Network configuration commands.
Cisco Packet Tracer 6.0.1.exe
PROCEDURES:
What is EIGRP?
Enhanced Interior Gateway Routing Protocol
Advanced distance vector
Rapid convergence
100% loop-free classless routing
Easy configuration
Incremental updates
Load balancing across equal- and unequal-cost pathways
Flexible network design
Multicast and unicast instead of broadcast address
Support for VLSM and discontinuous subnets
Manual summarization at any point in the internetwork
Support for multiple network layer protocols
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Features of EIGRP:
Cisco proprietary protocol
Classless routing protocol
Includes all features of IGRP
Metric (32 bit) : Composite Metric (BW + Delay + load + MTU + reliability )
Administrative distance is 90
Updates are through Multicast (224.0.0.10 )
Max Hop count is 255 (100 by default)
Supports IP, IPX and Apple Talk protocols
Hello packets are sent every 5 seconds
Convergence rate is fast
Overcome The RIP limitations.
NETWORK TOPOLOGY:
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EIGRP Tables:
EIGRP routing Protocol maintains three tables for best routing or path selection to destination
Network.
Neighbor Table
Topology Table
Routing Table
Disadvantages of EIGRP:
Works only on Cisco Routers
ROUTERS INITIAL CONFIGURATION:
HYD Router>enable
HYD Router#configure terminal
HYD Router(config)#interface Serial0/0/0
HYD Router(config-if)#ip address 10.0.0.1 255.0.0.0
HYD Router(config-if)#no shutdown
CHE Router>enable
CHE Router#configure terminal
CHE Router(config)#interface Serial0/0/0
CHE Router(config-if)#ip address 10.0.0.2 255.0.0.0
CHE Router(config-if)#no shutdown
CHE Router(config-if)#exit
CHE Router(config)#interface Serial0/0/1
CHE Router(config-if)#ip address 11.0.0.1 255.0.0.0
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CHE Router(config-if)#no shutdown
BANG Router>enable
BANG Router#configure terminal
BANG Router(config)#interface Serial0/0/0
BANG Router(config-if)#ip address 11.0.0.2 255.0.0.0
BANG Router(config-if)#no shutdown
HYD Router(config-if)#exit
HYD Router(config)#interface FastEthernet0/0
HYD Router(config-if)#no shutdown
HYD Router(config-if)#ip address 192.168.1.150 255.255.255.0
HYD Router(config-if)#exit
CHE Router(config-if)#exit
CHE Router(config)#interface FastEthernet0/0
CHE Router(config-if)#no shutdown
CHE Router(config-if)#ip address 192.168.2.150 255.255.255.0
BANG Router(config-if)#exit
BANG Router(config)#interface FastEthernet0/0
BANG Router(config-if)#ip address 192.168.3.150 255.255.255.0
ROUTERS EIFRP CONFIGURATION:
HYD Router(config)#router eigrp 10
HYD Router(config-router)#no auto-summary
HYD Router(config-router)#network 192.168.1.0
HYD Router(config-router)#network 10.0.0.0
HYD Router(config-router)#exit
CHE Router(config-if)#exit
CHE Router(config)#router eigrp 10
CHE Router(config-router)#no auto-summary
CHE Router(config-router)#network 10.0.0.0
CHE Router(config-router)#network 11.0.0.0
CHE Router(config-router)#network 192.168.2.0
CHE Router(config-router)#exit
BANG Router(config-if)#exit
BANG Router(config)#router eigrp 10
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BANG Router(config-router)#no auto-summary
BANG Router(config-router)#network 11.0.0.0
BANG Router(config-router)#network 192.168.3.0
BANG Router(config-router)#exit
BANG Router(config)#exit
VIEW EIGRP ROUTING TABLES:
NEIGHBOURS TABLE:
HYD Router#sh ip eigrp neighbors
CHE Router#sh ip eigrp neighbors
BANG Router#sh ip eigrp neighbors
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TOPOLOGY TABLE:
HYD Router#sh ip eigrp topology
CHE Router#sh ip eigrp topology
BANG Router#sh ip eigrp topology
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ROUTING TABLE:
HYD Router#sh ip route
CHE Router#sh ip route
BANG Router#sh ip route
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VERIFY EIGRP NETWORK:
PING 192.168.1.3
PING 192.168.3.2:
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PING 192.168.2.3
HYD ROUTER RUNNING CONFIGURATION:
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname HYD
!
spanning-tree mode pvst
!
interface FastEthernet0/0
ip address 192.168.1.150 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
duplex auto
speed auto
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shutdown
!
interface Serial0/3/0
ip address 10.0.0.1 255.0.0.0
clock rate 148000
!
interface Serial0/3/1
no ip address
shutdown
!
interface Vlan1
no ip address
shutdown
!
router eigrp 10
network 192.168.1.0
network 10.0.0.0
no auto-summary
!
ip classless
!
line con 0
!
line aux 0
!
line vty 0 4
login
!
end
CHENNAI ROUTER RUNNING CONFIGURATION:
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname CHE
!
spanning-tree mode pvst
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!
interface FastEthernet0/0
ip address 192.168.2.150 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
duplex auto
speed auto
shutdown
!
interface Serial0/2/0
ip address 10.0.0.2 255.0.0.0
!
interface Serial0/2/1
ip address 11.0.0.1 255.0.0.0
!
interface Vlan1
no ip address
shutdown
!
router eigrp 10
network 10.0.0.0
network 192.168.2.0
network 11.0.0.0
no auto-summary
!
ip classless
!
line con 0
!
line aux 0
!
line vty 0 4
login
!
End
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BANG ROUTER RUNNING CONFIGURATION:
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname BANG
!
spanning-tree mode pvst
!
interface FastEthernet0/0
ip address 192.168.3.150 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
duplex auto
speed auto
shutdown
!
interface Serial0/2/0
ip address 11.0.0.2 255.0.0.0
!
interface Serial0/2/1
no ip address
clock rate 1000000
shutdown
!
interface Vlan1
no ip address
shutdown
!
router eigrp 10
network 192.168.3.0
network 11.0.0.0
no auto-summary
!
ip classless
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!
line con 0
!
line aux 0
!
line vty 0 4
login
!
End
RESULT:
Thus the experiment was configured successfully.