How to Add Layer 2 Switch in GNS3? – Adding a Switch to the GNS3 program is a very simple process. The goal of adding a switch to GNS3 is to test VLANs.
How to Add Layer 2 Switch in GNS3?

How to Add Layer 2 Switch in GNS3?

How to Add Layer 2 Switch in GNS3?

The process to add Layer 2 Switch in GNS3 requires manually adding Switch IOS since GNS3 does not have a manageable Layer 2 layer switch. Cisco exam candidates must apply the GNS3 Layer 2 Switch addition to gain experience in Switching.

To add Layer 2 Switch in GNS3, you first need to download the IOS software. In GNS3 we can not use all the features provided by the physical switches in the Layer 2 Switch configuration steps. Because the GNS3 program can impose some restrictions while simulating Switches.

Some of the operations that we can do after the process to add Layer 2 Switch in GNS3 are; VLAN, VTP, STP are network signatures.

To include virtual machines in the GNS3 program, you can read the topic called “How to Integrate VMware with GNS3?

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How to Configure Layer 2 Switch in GNS3?

First, download the vIOS-L2.vmdk Switch IOS to your computer from the button below to add Layer 2 Switch in GNS3.

 
   Step 1

After downloading the Switch IOS file from above, run the GNS3 program. Then click on the Edit menu.

How to Add Layer 2 Switch in GNS3?

   Step 2

From the Edit menu, select Preferences.

How to Add Layer 2 Switch in GNS3?

   Step 3

In the General Preferences window, click on the Qemu VMs option under the QEMU tab.

How to Add Layer 2 Switch in GNS3?

   Step 4

In the Qemu VM Templates window, click the New button.

How to Add Layer 2 Switch in GNS3?

   Step 5

In the Qemu VM name window, give a name to add Layer 2 Switch in GNS3.

How to Add Layer 2 Switch in GNS3?

   Step 6

In the Qemu binary and memory window, if your operating system is 64bit, select the option below.

How to Add Layer 2 Switch in GNS3?

   Step 7

Click on the Next button.

How to Add Layer 2 Switch in GNS3?

   Step 8

Select the New Image option and click the Browse button.

How to Add Layer 2 Switch in GNS3?

   Step 9

In the window that opens, select the vIOS-L2.vmdk file you downloaded and click the Open button.

How to Add Layer 2 Switch in GNS3?

   Step 10

Click the Yes button to copy to the default image folder.

How to Add Layer 2 Switch in GNS3?

   Step 11

After displaying the file location you have downloaded, click the Finish button to finish the process.

How to Add Layer 2 Switch in GNS3?

   Step 12

In the Qemu VM Templates window, you can see that the process to add Layer 2 Switch in GNS3 has been successful.

How to Add Layer 2 Switch in GNS3?

   Step 13

From the left part of the GNS3, right click on the Layer 2 Switch.

How to Add Layer 2 Switch in GNS3?

   Step 14

Click Configure template.

How to Add Layer 2 Switch in GNS3?

   Step 15

In the Layer 2 Switch configuration window, you can select the Switches group from the Category section.

How to Add Layer 2 Switch in GNS3?

   Step 16

Click the Browse button to change the Layer 2 Switch symbol.

How to Add Layer 2 Switch in GNS3?

   Step 17

You can choose a symbol as shown in the image below.

How to Add Layer 2 Switch in GNS3?

   Step 18

Click the OK button to save the settings.

How to Add Layer 2 Switch in GNS3?

   Step 19

Drag and drop the Layer 2 Switch to the work area.

How to Add Layer 2 Switch in GNS3?

   Step 20

To increase the number of interfaces on the switch, click the right button configure.

How to Add Layer 2 Switch in GNS3?

   Step 21

From the Network tab, you can add interfaces to the Cisco Layer 2 Switch.

How to Add Layer 2 Switch in GNS3?

   Step 22

After double-clicking on the Cisco Layer 2 Switch, you can see that the process is successful by applying the show vlan brief command.

How to Add Layer 2 Switch in GNS3?

To backup and restore Cisco router configuration commands, you can read the topic called “How to Backup Cisco Router Configuration to TFTP Server?

Show Commands Related to How to Add Layer 2 Switch in GNS3

vIOS-L2-01#show vlan

vIOS-L2-01#show vlan

VLAN Name Status Ports
—- ——————————– ——— ——————————-
1 default active Gi0/0, Gi0/1, Gi0/2
100 VLAN100 active
200 VLAN0200 active
300 VLAN0300 active
1002 fddi-default act/unsup
1003 trcrf-default act/unsup
1004 fddinet-default act/unsup
1005 trbrf-default act/unsup

VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2
—- —– ———- —– —— —— ——– —- ——– —— ——
1 enet 100001 1500 – – – – – 0 0
100 enet 100100 1500 – – – – – 0 0
200 enet 100200 1500 – – – – – 0 0
300 enet 100300 1500 – – – – – 0 0
1002 fddi 101002 1500 – – – – – 0 0
1003 trcrf 101003 4472 1005 3276 – – srb 0 0
1004 fdnet 101004 1500 – – – ieee – 0 0
1005 trbrf 101005 4472 – – 15 ibm – 0 0
VLAN AREHops STEHops Backup CRF
—- ——- ——- ———-
1003 7 7 off

Primary Secondary Type Ports
——- ——— —————– ——————————————

vIOS-L2-01#

How to Add Layer 2 Switch in GNS3 ⇒ Video

You can watch how to add Layer 2 Switch in GNS3. Also, you can subscribe to my YouTube channel.

  Final Word

How to Add Layer 2 Switch in GNS3? – Adding a Layer 2 Switch in the GNS3 program is a very simple process. Cisco exams require using Layer 2 Switch on GNS3 to work with Switching.

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