Which GRE tunnel configuration step is optional?

ITExamAnswers Editorial Team Last Updated: May 20, 2021

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Which GRE tunnel configuration step is optional?

setting the MTU
defining the tunnel destination
allocating an IP address to the tunnel interface
defining the tunnel source

Explanation: For configuring a GRE tunnel, the tunnel IP address, tunnel source, and tunnel destination are required. Configuring the MTU, tunnel bandwidth, and tunnel keepalive are optional.

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