What is IKEv2? Why it’s the Most Popular VPN Protocol?

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A Brief Overview of IKEv2

What are the advantages and disadvantages of IKEv2?


  • It provides highest level security amongst all standard protocols
  • It is fairly easy to configure and setup on compatible OS
  • Unlike many other VPN protocols, IKEv2 is also compatible with Blackberry devices.
  • The protocol is highly flexible when it comes to reconnecting after disconnection or switching the network.
  • It comes with balanced speed and encryption for those who want the best of both worlds.


  • It doesn’t come with any multi-port functionality and thus uses only a single port.
  • The protocol can be rendered useless if the IKEv2 protocol’s port is blocked.
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Technical Information of IKEv2


Dedicated Port

The IKEv2 uses the port 4500. Moreover, it is also compatible with the latest algorithms of IPSec encryption.


MOBILE Support

Support for the Mobility and Multihoming Protocol makes IKEv2 highly resilient and stable.


High Compatibility

The protocol offers good compatibility with various operating systems and devices such as Windows, Linux, routers, Blackberry, etc.


Highest Encryption

AES 256-bit encryption for data and SHA256 for control messages.

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How to Setup VPN with IKEv2 Protocol?

You can configure IKEv2 on different operating systems


Other IKEv2 manual setups guides can be found here.

Other VPN Protocols provided by PureVPN

Thinking about which is the best VPN protocol?

PureVPN automatically selects the best suitable protocol for its users. If you are not sure which protocol to use, then just let the app automatically choose the best VPN Protocol for your network. Check the comparison chart of all protocols for a better understanding of various protocols. Check the comparison chart of all protocols for a better understanding of various protocols.

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