Today's video we cover an in-depth overview of GRE (Generic Routing Encapsulation) tunnels and how we can configure and verify them on our Cisco devices.

You can follow along with the GNS3 lab here:
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In this video we cover the following CCNP ENCOR 350-401 exam topics:

2.2 Configure and verify data path virtualization technologies
2.2.b GRE and IPsec tunneling

This video covers an in-depth overview of:
- What are GRE tunnels?
- What are GRE tunnels used for?
- GRE packet overview.
- Example use cases of GRE tunnelling.
- Benefits of GRE tunnels.
- Downsides of GRE tunnels.
- Configuration of GRE tunnels using a hands on GNS3 lab.
- Verifying GRE tunnels using a hands on GNS3 lab.
- Recursive routing with GRE tunnels.

Free Cisco CCNP Enterprise ENCOR (350-401) YouTube Playlist:
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