Transcript Case Study 1 The Concept of an IP Network

CSE3153
Semester 2 2006
Case Study 2 V1.0
The Concept of IP Subnetting
Tutor keeps this front sheet as record of completion
Student Name: __________________________________________
Student
Id: ____________________
Marks: 2.5 towards Unit Result
You must demonstrate to your tutor that you have completed the case study
Tutor Name: ____________________________________________
Tutor Signature: _____________________
Date: _____________
CSE5807
Semester 2 2006
Case Study 2 V1.0
The Concept of IP Subnetting
Student keeps this front sheet as record of completion
Due Date: By end of week 6 Lab Session
Student Name: __________________________________________
Student
Id: ____________________
Marks: 2.5 towards Unit Result
You must demonstrate to your tutor that you have completed the case study
Tutor Name: ____________________________________________
Tutor Signature: _____________________
Date: _____________
Packet Tracer V3.2
• A simulation product for designing, and testing a network
before implementation on the actual hardware devices.
3
CSE5807 - Case Study 2
Case Study 2 – The Concept of IP Subnetting
Network Address
35.0.0.0/18
Subnet 152
S 2/0
Adelaide Router
Brisbane Router
DCE
S 2/0
Serial Cable
Fa 0/0
Fa 0/0
UTP Cable
Subnet 85
Subnet 92
Bris_Hub
Host 262
Adel_Hub
Bris
PC
Adel
PC
Host 520
4
CSE5807 - Case Study 2
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
5
CSE5807 - Case Study 2
Brisbane PC - Configuration
• Need to set the PC’s IP address to address of Host 262
• Need to set PC’s subnet mask to 255.255.192.0
• Need to set PC’s gateway
6
CSE5807 - Case Study 2
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
7
CSE5807 - Case Study 2
Adelaide PC - Configuration
• Need to set the PC’s IP address to address of Host 262
• Need to set PC’s subnet mask to 255.255.192.0
• Need to set PC’s gateway
8
CSE5807 - Case Study 2
Link (Point-to-Point) Testing
• Use the ping command to test each link is working
• Note you cannot ping from Brisbane PC to Adelaide PC,
Why is this the case?
9
CSE5807 - Case Study 2
Routing Protocols
Brisbane Router
router rip
version 2
network <replace with network address>
Adelaide Router
router rip
version 2
network <replace with network address>
10
CSE5807 - Case Study 2
Path (End-to-End) Testing
• Use the ping, and traceroute command to test a path exists
between the Brisbane PC and the Adelaide PC
• If a path exists, Why is this the case?
11
CSE5807 - Case Study 2
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
12
CSE5807 - Case Study 2
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
13
CSE5807 - Case Study 2
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
14
CSE5807 - Case Study 2