Follow the steps below one by one so that you will be learning how to perform dynamic routing configuration without having doubts. Though the steps are almost similar to the previous post, I'll be mentioning the commands of CLI then and there as necessary.
Step1: Design the above
network and load it in to Packet Tracer Simulator.
Note: For R1 and R3 - Router 1841. For R2 – router 2811
Select R1 – S0 and R2 – S1 as DCE side for clocking
inside the simulator.
Step2 :Name R1, R2 and R3 as Malabe, Metro and Matara.
Router(config)#hostname
MALABE
Router(config)#hostname
METRO
Router(config)#hostname
MATARA
Step3 : Design a suitable IP plan for the above networks.
For simplicity, the IP plan is marked clearly in the above diagram it self making easy for you to understand. I have used subnetting in the very similar way that was used in the previouse post (STATIC ROUTING AND DEFAULT ROUTING CONFIGURATIONS)Step4 : Configure the Serial and Ethernet interfaces of routers.
Step5: Assign clock rate as 64000 for the R1 serial 0 and R2 serial 1 interfaces.
For Router1
MALABE(config)#interface fastEthernet 0/0
MALABE(config-if)#ip
address 192.168.10.1 255.255.255.0
MALABE(config-if)#no
shutdown
MALABE(config-if)#exit
MALABE(config)#interface serial 0/0/0
MALABE(config-if)#ip
address 10.0.0.1 255.0.0.0
MALABE(config-if)#clock
rate 64000
MALABE(config-if)#no
shutdown
MALABE(config-if)#exit
For Router2
MATARA(config)#interface fastEthernet 0/0
MATARA(config-if)#ip
address 192.168.12.1 255.255.255.0
MATARA(config-if)#no
shutdown
MATARA(config-if)#exit
MATARA(config)#interface serial 0/0/0
MATARA(config-if)#ip
address 11.0.0.2 255.0.0.0
MATARA(config-if)#no
shutdown
MATARA(config-if)#exit
For Router0
METRO(config)#interface fastEthernet 0/0
METRO(config-if)#ip
address 192.168.11.1 255.255.255.0
METRO(config-if)#no
shutdown
METRO(config-if)#exit
METRO(config)#interface serial 0/0/0
METRO(config-if)#ip
address 10.0.0.2 255.0.0.0
METRO(config-if)#no
shutdown
METRO(config-if)#exit
METRO(config)#interface serial 0/0/1
METRO(config-if)#ip
address 11.0.0.1 255.0.0.0
METRO(config-if)#clock
rate 64000
METRO(config-if)#no
shutdown
METRO(config-if)#exit
Step6 : Configure the PC’s. (IP address, Subnet Mask and Default Gateway).
Configure the routers with RIP and IGRP to enable dynamic routing.
Dynamic routing could be done using Interior Gateway Protocols (IGP) and Exterior Gateway Protocols (EGP). We apply IGP for LANs and EGP for WANs.
IGRP, EIGRP, RIP and OSPF are some of these IGPs and BGP is an example for EGP.
According to the methods shown above routing could be done statically or dynamically by using routing protocols (or even by default) to route different networks to communicate with each other.
IGRP, EIGRP, RIP and OSPF are some of these IGPs and BGP is an example for EGP.
First let’s see how to perform routing using RIP
Here for each router we have to use RIP and consider the directly connected network addresses of
them to perform this routing.
MALABE(config)#router rip
MALABE(config-router)#network
192.168.10.0
MALABE(config-router)#network
10.0.0.0
METRO(config)#router rip
METRO(config-router)#network
10.0.0.0
METRO(config-router)#network
11.0.0.0
METRO(config-router)#network
192.168.11.0
MATARA(config)#router rip
MATARA(config-router)#network
192.168.12.0
MATARA(config-router)#network
11.0.0.0
Use ‘ping’ command to check the connectivity.
For PC0
PC>ipconfig
IP Address......................: 192.168.10.2
Subnet Mask.....................: 255.255.255.0
Default Gateway.................: 192.168.10.1
PC>ping
192.168.11.2
Pinging 192.168.11.2 with 32 bytes of data:
Reply from 192.168.11.2: bytes=32 time=94ms TTL=126
Reply from 192.168.11.2: bytes=32 time=94ms TTL=126
Reply from 192.168.11.2: bytes=32 time=79ms TTL=126
Reply from 192.168.11.2: bytes=32 time=73ms TTL=126
Ping statistics for 192.168.11.2:
Packets:
Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum =
73ms, Maximum = 94ms, Average = 85ms
PC>ping
192.168.12.2
Pinging 192.168.12.2 with 32 bytes of data:
Reply from 192.168.12.2: bytes=32 time=111ms TTL=125
Reply from 192.168.12.2: bytes=32 time=109ms TTL=125
Reply from 192.168.12.2: bytes=32 time=125ms TTL=125
Reply from 192.168.12.2: bytes=32 time=110ms TTL=125
Ping statistics for 192.168.12.2:
Packets:
Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum =
109ms, Maximum = 125ms, Average = 113ms
PC>
For PC1
PC>ipconfig
IP Address......................: 192.168.12.2
Subnet Mask.....................: 255.255.255.0
Default Gateway.................: 192.168.12.1
PC>ping
192.168.10.2
Pinging 192.168.10.2 with 32 bytes of data:
Reply from 192.168.10.2: bytes=32 time=125ms TTL=125
Reply from 192.168.10.2: bytes=32 time=125ms TTL=125
Reply from 192.168.10.2: bytes=32 time=125ms TTL=125
Reply from 192.168.10.2: bytes=32 time=125ms TTL=125
Ping statistics for 192.168.10.2:
Packets:
Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum =
125ms, Maximum = 125ms, Average = 125ms
PC>ping
192.168.12.2
Pinging 192.168.12.2 with 32 bytes of data:
Reply from 192.168.12.2: bytes=32 time=0ms TTL=128
Reply from 192.168.12.2: bytes=32 time=15ms TTL=128
Reply from 192.168.12.2: bytes=32 time=0ms TTL=128
Reply from 192.168.12.2: bytes=32 time=15ms TTL=128
Ping statistics for 192.168.12.2:
Packets:
Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum =
0ms, Maximum = 15ms, Average = 7ms
For PC2
PC>ipconfig
IP Address......................: 192.168.11.2
Subnet Mask.....................: 255.255.255.0
Default Gateway.................: 192.168.11.1
PC>ping 192.168.10.0
Pinging 192.168.10.0 with 32 bytes of data:
Reply from 10.0.0.1: bytes=32 time=63ms TTL=254
Reply from 10.0.0.1: bytes=32 time=63ms TTL=254
Reply from 10.0.0.1: bytes=32 time=63ms TTL=254
Reply from 10.0.0.1: bytes=32 time=62ms TTL=254
Ping statistics for 192.168.10.0:
Packets: Sent = 4, Received =
4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 62ms, Maximum = 63ms,
Average = 62ms
PC>ping 192.168.12.2
Pinging 192.168.12.2 with 32 bytes of data:
Reply from 192.168.12.2: bytes=32 time=93ms TTL=126
Reply from 192.168.12.2: bytes=32 time=94ms TTL=126
Reply from 192.168.12.2: bytes=32 time=94ms TTL=126
Reply from 192.168.12.2: bytes=32 time=94ms TTL=126
Ping statistics for 192.168.12.2:
Packets: Sent = 4, Received =
4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 93ms, Maximum = 94ms,
Average = 93ms
PC>
Now let’s see how to perform routing using EIGRP
EIGRP is also an Interior Gateway protocol which is applied to one
autonomous system. So to apply it, first we should have the same Autonomous
number for all the networks. Otherwise all PC in the Autonomous system cannot
communicate.
How to apply?
Note:-do not use many protocols at the same time. If so, first
remove all the previous routing commands and then use EIGRP (In this case…type…no router rip in each router)
MALABE(config)#router eigrp 200
MALABE(config-router)#network
192.168.10.0
MALABE(config-router)#network
10.0.0.0
METRO(config)#router eigrp 200
METRO(config-router)#network
10.0.0.0
METRO(config-router)#network
11.0.0.0
METRO(config-router)#network
192.168.11.0
MATARA(config)#router eigrp 200
MATARA(config-router)#network
192.168.12.0
MATARA(config-router)#network
11.0.0.0
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