Can VPNs Interfere With Each Other?

We are surrounded by different gadgets all around us in the form of smartphones, tablets, and computer devices. Apart from that, the use of VPN technology has also become common nowadays.

You can get surfshark for computer and use it whenever you want and wherever you want. But the question is can multiple VPN technologies interfere with each other or not? 

Because usually, devices are using virtual private networks while connected to the internet. Ideally, there should be an issue because your IP address is getting masked and other communicating devices will not be able to see it. 

Let’s take a closer look at things and understand them from a different angle. 

Dual VPN

The Concept of Dual VPN 

Before we talk about the interference of virtual private networks, let’s revise the concept of dual VPN. When you connect to a VPN server, it gives you a different IP address which is used to mask your original IP address. 

If you are using a VPN server on your PC, your traffic will get encrypted before leaving the VPN server. While this process is happening, your device can be connected to multiple servers. Now, if you connect to another server while still being connected to your VPN server, your traffic will be encrypted again. 

It means that in case your connection is dropped or fails, your traffic will be encrypted again with another IP address. This is what we call a dual VPN. What Does It Mean?

On this occasion, your traffic will be encrypted using two different IP addresses. This process is similar to the concept of VPN and IP forwarding.

There are chances that if you have multiple VPN servers, your traffic may get encrypted twice. But as long as you don’t have a third VPN server that’s connected to your first one. 

The Problem of VPN Interference 

Now that you have learned the concept of dual VPN, let’s talk about its interference and the outcomes. While using dual VPNs on the same device, it may cause some issues such as slower browsing speeds, reduced network connections, and increased data usage.

Why? because technically during the case of a dual VPN you are connected to more than one server at a time. Therefore, your PING will increase significantly and you will experience a lag in your connection. 

This will affect your online gaming performance due to the latency from the server. Apart from that, since the traffic is getting encrypted twice therefore it has to pass through multiple tunnels. This can also increase the load time and overall data usage. This is how multiple VPNs can interfere with each other. 

However, different VPNs on different devices will not have any issues with each other even on the same WiFi. It is because both of them are encrypting traffic from their own end. The traffic has to go through a single tunnel.

Moreover, there is only one server at a time which is usually the nearest one to the client which means no server lag or latency problems. 

Can You Use the Same VPN on Multiple Devices at a Time?

Now that you’ve learned the inferences of virtual private networks there might be another question on your mind. Can you use the same VPN on multiple devices at a time? The answer is yes, you can use the same VPN on multiple devices at a time. However, there are some limitations. 

One of them is that if you are using a free VPN and if you are connecting to more than one server at a time, it will not give you enough bandwidth. This is because they give you a specific amount of bandwidth when you connect to a server. 

Another thing is that they don’t have unlimited bandwidth. So if you are using a paid version, then you have unlimited bandwidth. On the other hand, if you are using a paid VPN then it depends on the service provider whether they give you unlimited bandwidth or not. 

It’s just that if they do, it won’t interfere with your dual VPNs. If not, you can encounter issues such as slow browsing speed, reduced network connection, and increased data usage.

Conclusion 

Now you know about the concept of virtual private networks. Let’s sum up all the concepts you learned from this article.

On the whole, VPN is just like a security protocol. It will protect your traffic in case of network failures and other factors that might cause interruptions.

Moreover, VPNs will encrypt your data using different servers around the world so that it cannot be accessed by anyone. However, there are chances that it will be encrypted twice.

This will increase the load time and overall data usage. In addition to that, there are some limitations such as the amount of bandwidth and the number of simultaneous connections.

On the other hand, if you want to use a free VPN then you have to worry about your bandwidth. Therefore, if you want to use a free VPN then you should make sure that you can handle the amount of traffic that you are going to get at a time.

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