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Due Date: By end of academic week 9. Student Name: __________________________________________

Swinburne University of Technology Faculty of Information and Communication Technologies HIT2125 Data Communications and Computer Networks Network Case Study 2 - The Concept of IP Subnetting (Document 13 ) Semester 1, 2007 Sample Only.

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Due Date: By end of academic week 9. Student Name: __________________________________________

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  1. Swinburne University of TechnologyFaculty of Information and Communication TechnologiesHIT2125Data Communications and Computer NetworksNetwork Case Study 2 - The Concept of IP Subnetting (Document 13)Semester 1, 2007Sample Only

  2. HIT2125Semester 1 2007Network Case Study 2 - The Concept of IP SubnettingThe tutor keeps this sheet as record of completion Due Date: By end of academic week 9. Student Name: __________________________________________ Student Id: ____________________ Marks: 5 towards the Unit Result You must demonstrate to your tutor that you have completed the case study Tutor Name: ____________________________________________ Tutor Signature: _____________________ Date: _____________

  3. HIT2125Semester 1 2007Network Case Study 2 -The Concept of IP SubnettingThe student keeps this sheet Student Name: __________________________________________ Student Id: ____________________ Marks: 5 towards the Unit Result You must demonstrate to your tutor that you have completed the case study Tutor Name: ____________________________________________ Tutor Signature: _____________________ Date: _____________

  4. Packet Tracer V4.01 • A simulation product for the designing, and testing of a network before its implementation on the actual hardware devices.

  5. Network Case Study 2 – The Concept of IP Subnetting Network Address 35.0.0.0/18 Adelaide Router Brisbane Router Subnet 152 S 2/0 S 2/0 DCE Serial Cable Fa 0/0 Fa 0/0 UTP Cable Subnet 85 Subnet 92 Bris_Hub Adel_Hub Bris PC Host 262 Adel PC Host 520

  6. Brisbane Router - Configuration ! The FastEthernet interface configuration: interface fa 0/0 ip address <replace with address> 255.255.192.0 description Link to Brisbane Hub, Subnet 85 no shutdown ! The Serial interface configuration: interface serial 2/0 ip address <replace with address> 255.255.192.0 ! This is DCE end of the link clock rate 64000 description Link to Adelaide Router, Subnet 152 no shutdown ! Set hostname of the router hostname Brisbane

  7. Brisbane PC - Configuration • Set the PC’s IP address to address of Host 262 • Set PC’s subnet mask to 255.255.192.0 • Set PC’s gateway IP address

  8. Adelaide Router - Configuration ! The FastEthernet interface configuration: interface fa 0/0 ip address <replace with address> 255.255.192.0 description Link to Adelaide Hub, Subnet 92 no shutdown ! The Serial interface configuration: interface serial 2/0 ip address <replace with address> 255.255.192.0 description Link to Brisbane Router, Subnet 152 no shutdown ! Set hostname of the router hostname Adelaide

  9. Adelaide PC - Configuration • Set the PC’s IP address to address of Host 262 • Set the PC’s subnet mask to 255.255.192.0 • Set the PC’s gateway IP address

  10. Link (Point-to-Point) Testing • Use the ping command to test each link is working • Note you cannot ping from the Brisbane PC to the Adelaide PC, Why is this the case?

  11. Routing Protocols Brisbane Router router rip version 2 no auto-summary network <replace with network address> Adelaide Router router rip version 2 no auto-summary network <replace with network address>

  12. Path (End-to-End) Testing • Use the ping, and traceroute commands to test a path exists between the Brisbane PC and the Adelaide PC • If a path exists, Why is this the case?

  13. Discussion Points • Concept of IP Subnetting • IP Address Classes • Classful Address • Two Level Classful Hierarchy • Network-Prefix, Host-Number • Routing tables growing in size • Local administrators had to request another network number, before a new network could be installed at their site

  14. Discussion Points • Concept of IP Subnetting • Three Level Subnet Hierarchy • Network Prefix, Subnet-Number, Host-Number • Subnet structure not visible to external Internet • The routers within the internal network need to differentiate between individual subnets • Internet routers, all subnets within internal networks collected into a single routing table entry • Route Flapping • Subnet Address Mask

  15. Discussion Points • Router IOS Modes • User Executive • Privileged Executive • Global Configuration • Interface Configuration • Router Configuration • System Testing and Trouble Shooting • Step by Step Testing • Link (Point-to-Point) Testing • Path (End-to-End) Testing • Use of show commands • Use of debug commands

  16. Useful Router Commands • show ip route • show ip protocol • show running-configure • show version • show ip interface brief • show cdp neighbors • show controllers serial <replace with interface> • show interface serial <replace with interface> • show interface ethernet <replace with interface> • debug ip rip • debug ip packet detail • no debug all

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