Cisco ENCOR Practice Exam 2025 – All-in-One Comprehensive Guide to Mastering Enterprise Network Core Technologies!

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What is the first step in creating a GRE tunnel?

Assign an IP address to the tunnel interface

Create a tunnel interface

The process of creating a GRE (Generic Routing Encapsulation) tunnel begins with creating a tunnel interface. This step is essential as the tunnel interface acts as a virtual point-to-point connection between two endpoints and allows for encapsulating packets.

Once the tunnel interface is created, other configurations can follow, such as assigning an IP address to that interface, specifying the tunnel source and defining the tunnel destination. Each of these subsequent steps is important, but they all rely on the existence of the tunnel interface first to provide a context for the GRE tunnel's configuration. Therefore, initiating the process with the creation of the tunnel interface establishes the necessary foundation for the GRE tunnel to function properly.

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Specify the tunnel source

Define the tunnel destination

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