Would you like to learn how to configure an HP Switch trunk using the command-line instead of using the web interface? In this tutorial, we are going to show you all the steps required to create a new VLAN and configure a Switch port as a trunk on HP Switch models like 1910, 1920 or 5500 using the command-line.

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Equipment list

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HP Switch Book

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Tutorial HP Switch - Configure Trunk using the command line

First, you need to access the console of your HP Switch.

In our example, we are going to use a Opensource software named Putty and a computer running Windows.

The Putty software is available on the putty.org website.

After finishing the download, run the software and wait for the following screen.

Putty windows

To access the console of an HP Switch model 1910 or 1920, you will need to select the Serial Connection category and use the following options:

• Connection type: Serial
• Serial line: COM1
• Speed: 38400

If COM1 does not work you will need to try to use COM2, COM3, COM4 or the next.

HP Switch 1910 console

On the prompt screen, enter the administrative login information.

Factory default access information:
• Username: admin
• Password: (No password)

After a successful login, the console command-line will be displayed.

HP Switch models like 1910 and 1920 usually hide the complete list of commands available.

Use the following command to enable the Secret access mode.

The secret mode offers access to all the commands available.

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You will be asked for the Factory password to enable the secret command line access.

•  HP Switch 1910: 512900
•  HP Switch 1920: Jinhua1920unauthorized

Use the system-view command to enter the configuration mode.

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Create a new vlan, select an identification number and add a brief description.

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Access the interface configuration mode.

Set the Switch port as a trunk.

Add the list of authorized Vlans to use this trunk.

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In our example, the Switch port 40 was configured as a trunk.

The following Vlans were allowed to use this port as a trunk: 1, 100 and 200.

Vlan 1 is the default native VLAN of HP Switches.

Don't forget to save your HP switch trunk configuration.

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You have successfully created a new VLAN.

You have successfully configured a Switch port as a trunk.