Sequential Labs - introduction

Copyright (c) 1998-2004 Boson Software, Inc. All Rights Reserved.

INTRODUCTION

Boson NetSim: Overview
The CCNA labs contained in this lab guide are based on the Boson NetSim. This PC-
based product simulates a wide variety of Cisco routers as well as the Catalyst 1900,
2950, and 5000 switches. The NetSim supports multiple routing protocols, including
RIP, IGRP, EIGRP, and single-area OSPF. It supports different LAN/WAN protocols,
including PPP/CHAP, ISDN, and Frame Relay.
The exercises in this lab guide only require the NetSim – they do not require access to
any external router or switch hardware.
It should be noted that the NetSim supports many, but not all of the IOS commands
available on a real router or switch. All the commands referenced in this lab guide are
supported through the Simulator.
Getting Started
To invoke the NetSim, double-click on the Boson NetSim icon on your PC screen.


If there is not an icon on the PC screen, you can start the NetSim by pressing Start ->
Boson NetSim -> Boson NetSim.
You will be presented with a screen that has buttons at the top representing each router,
switch, or PC that you will be configuring.
Press one of the buttons to configure a device. Some of the devices are hidden (Switch 3,
Switch 4, PC1, and PC2) and can be accessed
by pressing the More Devices button. There is also a button that can be pressed to show
the network topology that the labs are based on.

Lab Topology

The Lab Topology is shown in the diagram on the next page (it can also be viewed by

selecting the Topology button at the top of the NetSim screen).
You will have:
•
4 x Cisco 2500 routers
o
each router has one Ethernet and two serial interfaces
o
one of the 2500’s, router1, has an ISDN BRI interface
•
1 x Cisco 2600 router (identified as router2)
o
has one Ethernet interface
o
has both an ISDN BRI and a PRI interface
•
2 x Catalyst 1912 switches
o
each switch has twelve 10baseT and two Fast Ethernet ports
Copyright (c) 1998-2004 Boson Software, Inc. All Rights Reserved.

•
2 X Catalyst 2950 switches
o
each switch has twelve 10/100 Ethernet ports
•
2 x PC’s
The LAN/WAN interfaces and subnet numbers are indicated on the diagram. Specific
interface IP addresses are included in a table on page 6.

LAB TOPOLOGY

Copyright (c) 1998-2004 Boson Software, Inc. All Rights Reserved.


IP Addresses

The IP addresses and subnet masks used in all the labs are shown in the table below.
DEVICE INTERFACE IP ADDRESS MASK
router1
E0
S0
S1
BRI0
160.10.1.1
175.10.1.1
215.10.1.1
200.10.1.1
255.255.255.0
255.255.255.0
255.255.255.0
255.255.255.0
router2
FA0/0
BRI0/0
S0/0 (ISDN PRI)
160.10.1.2
200.10.1.2
201.10.1.2

255.255.255.0
255.255.255.0
255.255.255.0
router3
S0
S1
E0
175.10.1.2
180.10.1.1
197.10.1.1
255.255.255.0
255.255.255.0
255.255.255.0
router4
E0
S0
195.10.1.1
180.10.1.2
255.255.255.0
255.255.255.0
router5 S0 215.10.1.2 255.255.255.0
switch1 - 195.10.1.99 255.255.255.0
switch2 - 195.10.1.100 255.255.255.0
switch3 - 197.10.1.99 255.255.255.0
switch4 - 197.10.1.100 255.255.255.0
pc1 - 195.10.1.2 255.255.255.0
pc2 - 197.10.1.2 255.255.255.0

Copyright (c) 1998-2004 Boson Software, Inc. All Rights Reserved.

Lab Scenarios

There are 20 labs contained in this Lab Guide. They include:
• Lab 1 - Basic Router Configuration
• Lab 2 - Advanced Router Configuration
• Lab 3 - CDP
• Lab 4 - Telnet
• Lab 5 - TFTP
• Lab 6 - RIP
• Lab 7 - IGRP
• Lab 8 - EIGRP
• Lab 9 - OSPF
• Lab 10 – Catalyst 1900 Switch Configuration
• Lab 11 - VLANs & Trunking (Catalyst 1900)
• Lab 12 - Catalyst 2950 Switch Configuration
• Lab 13 - VLANs and Trunking (Catalyst 2950)
• Lab 14 - IP Access Lists
• Lab 15 - NAT/PAT
• Lab 16 - PPP & CHAP
• Lab 17 - ISDN BRI-BRI using Legacy DDR
• Lab 18 - ISDN BRI-BRI using Dialer Profiles
• Lab 19 - ISDN PRI using Dialer Profiles

• Lab 20 - Frame Relay
There is also an optional IPX lab contained in Appendix A of this lab guide.
These labs build upon each other so the best approach is to follow the labs sequentially.
You will also be asked questions at various points during the lab. Answers to these
questions are contained in Appendix B at the back of this lab guide. Appendix C also
contains the completed configurations for selected labs.
Saving/Restoring Configuration Files

You can save your work and exit at any point. First, make sure you have selected the
appropriate router/switch/PC button at the top of the NetSim screen.
The next step is to press File -> Save Device Config from the top of the screen. You will
then be prompted for a file name.
Each individual device configuration must be saved separately. At a minimum, you
should plan to save all configurations each time you power off your PC.

To restore a configuration file, make sure you have pressed the appropriate
router/switch/PC button. The next step is to press File -> Load Device Config
(Overwrite) at the top of the screen and to select the correct saved configuration file.
The configuration will then be loaded.
Note: this process can take 15-20 seconds to complete and you will see configuration
commands flash across the screen. Be patient!