Network Topology Design using GNS3 and ASA Installation

Table of Contents
Router configuration....................................................................................................................................2
ASA installation..........................................................................................................................................6
GNS3 using VMware..................................................................................................................................7
DHCP configuration....................................................................................................................................9
IP configuration.........................................................................................................................................10
Usage of wireshark....................................................................................................................................11
Final network topology..............................................................................................................................12
References............................................................................................................................................13
1

Router configuration
In GSM3 the first step is router configuration. First we need to download the router IOS
image files. Then the downloaded IOS image files are stored in the system. Next step is open
GSM3; the network topology contains three different types of routers. The basic router
configuration is shown in below
Basic router configuration
It just a basic router connection, the switch is used for establish the connection between
these two routers. Next we need to run the routers. Each router is run separately. Right click the
first router then click the start option. After that the red circle is changed by green. Then we need
to check the router it’s available or not. So again right click the first router but this time click the
2

console option, and chance their appearance. Click next, the command window is open. The
command window shows that, the R1 router is available or not.
Availability of router configuration
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Use this methods we can easily construct the router configuration. The routers are
connected by Ethernet switch router. We need to download the series 3640, for design the
Ethernet switch router.
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