GNS3 detailed installation tutorial is simple, including router and switch installation

GNS3 advanced version display effect

Recommend a network engineering professional mirror and tool download website https://www.mdfk.love
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Enter the topic: GNS3 local installation router switch tutorial (free)

The installation process is very simple, why do many people like to make it so complicated and bloated?
First attach the package link:
Link: https://pan.baidu.com/s/1GGtXDaEAQavO3KH0vFZqzw?pwd=lw66
Extraction code: lw66

Just two files, as shown below,
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Or you can also install the latest version 2.2.36, and the more advanced image C7200, also two files
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(Explain here, C3640 and C7200 are both router images, all GNS3 versions can install these two images, C3640 can also simulate a switch, it is recommended to install both C3640 and C7200)

Double-click the GNS3 installation package GNS3-2.2.26-all-in-on, click Next
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Click I Agree to indicate that you agree to these terms
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and then click Next

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Click Next

again and still Next

will display the installation progress

. There will be such a thing that pops up. This is the network card recognizer. Just click Next. Click

I Agree

and click Install to install.

Click Finish to indicate that the installation is complete.
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You can see that GNS3 seems to be downloading something.

The download process is very slow. , don’t worry, just click Cancel to return, a window will pop up asking if you want to continue downloading, click No and the

progress bar will be completed quickly, click Next
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to select No, then click Next

and click Finish

and this window will pop up after a while, fork off OK

Generally, you will be asked whether you need to update to the latest version, click No
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and then click Settings

to find IOS Routers, there is nothing here, click New and

click Browser to browse, select the C3640-IK.bin just downloaded, the following interface will pop up, click OK

will ask you whether you need to create a folder, click Yes

and then click Next
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to still choose Next

or choose Next

to set the interface as mine, click Next
NM-1FE means FastEthernet, that is, Fast Ethernet interface, the rate is 100Mbit/s,
NM-4E means Ethernet, that is, the Ethernet interface, the rate is 10Mbit/s,
NM-4T stands for serial line, which is commonly known as serial line, generally used for WAN connection port, and it is a necessary interface for PPP PAP CHAP authentication
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[Key] Click Idle-PC , automatically obtain the Idle value, if not obtained, opening a router may cause the CPU usage to reach 100%, so it must be obtained. The

acquisition is successful, click OK, then click FInish,

click Apply, and then click OK

Note: The interface of the C7200 mirror needs to be set In this way, PA-GE stands for Gigabit Ethernet port, and the rate is 1000Mbit/s
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Then enter the settings, click Server, select the network 127.0.0.1, which represents the local host, then click Apply, wait for the window to finish running, and then click OK
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Then there will be these red prompts or something, don’t worry
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Then install the switch, click Settings, or IOS Routers, select New, or select C3640-IK.BIN image
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Click Next

to set it as EtherSwitch, then click Next, Next

and set all interfaces as switching interfaces , click Next

to get the Idle value, wait a while After getting it, click Finish, then click Apply and OK

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Then close GNS3, open GNS3 again, and GNS3 is installed.

Create a project test

and create a topology at will. You can see that there is no interface displayed. Click the next one, and the interface will be displayed. The
GNS3 local mode uses a router simulation. Switches, so there will be some small problems, especially for beginners, when simulating a Layer 2 switch, you must first enter "no ip routing" to turn off the routing function
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After turning on all the devices, you can see that all the devices are green, and next to it, you can see that the CPU usage is 5.3%, and the memory usage is 57% (different computers have different usage levels, don’t worry about it) is it very simple
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?

Finally, add that the projects created in GNS3 will be saved in this path

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If you use other users to log in to Windows, replace the Administrator here with another one, but generally the completed projects are under this path.

If you want such a single-window configuration mode, you can pay attention to it. The blogger will release it soon An article details this
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