How to Fix uBridge Root Access Error in GNS3? – If you are using the GNS3 network simulator program on Linux systems, you must change the access permission of the uBridge folder if you get “Root Access requires root access or the ability to interact with network adapters” error.
How to Fix uBridge Root Access Error in GNS3?

What is uBridge in GNS3?

uBridge in GNS3 is used to integrate the virtual machines on the VMware Workstation virtualization program into the GNS3 program. UBridge also provides connectivity between various technologies.

It supports uBridge, Ethernet, UDP tunnels and TAP interfaces on GNS3, as well as packet capture support.

How to Fix “Root Access requires root access or the capability to interact with network adapters” Error in GNS3?

After installing GNS3 on Linux systems, if you are getting the uBridge Root Access error when you run GNS3, it is quite simple to get around this problem.

If you see the uBridge information window when you start GNS3, you will probably receive this error because you clicked the No button. Because the uBridge folder needs to be connected with Root access.

How to Resolve “uBridge Requires Root Permissions” Error in Ubuntu/Linux 17.10?

If you are using a Linux based Ubuntu operating system, you will most likely encounter the uBridge Root Access error. In the previous article, we have reviewed step by step how to install GNS3 2.1.3 on Ubuntu. In this post we will examine how to troubleshoot uBridge error on GNS3 2.1.3 on Ubuntu 17.10.

Follow the steps below in order to resolve the uBridge error on GNS3.

   Step 1

Run the GNS3 program and add one Cisco Router to the working environment. When you run the Cisco Router, you will encounter an error as shown in the following image and the Router will not work.

How to Fix uBridge Root Access Error in GNS3?

   Step 2

Close the GNS3 program…

How to Fix uBridge Root Access Error in GNS3?

   Step 3

When you reopen the GNS3 program, you will see the uBridge info window as below. Click on the Yes button in this window.

How to Fix uBridge Root Access Error in GNS3?

   Step 4

The uBridge window prompts you to enter your Root password. Type your root password and click on the OK button.

How to Fix uBridge Root Access Error in GNS3?

   Step 5

Restart the Cisco Router.

How to Fix uBridge Root Access Error in GNS3?

   Step 6

As in the following image, the uBridge Root Access error will be solved and the Cisco Router will work! If the error persists, open the Terminal and execute the following commands.

cd /usr/bin/
sudo chmod 777 ubridge

 
How to Fix uBridge Root Access Error in GNS3?

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  Final Word

How to Fix uBridge Root Access Error in GNS3?  – In this article, we have reviewed step by step how to troubleshoot the uBridge problem for the GNS3 program running on Linux systems. Thanks for following us!

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