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Oracle Linux: How to Configure a GRE Tunnel for Host-to-Host Connectivity or for Site-to-Site Connectivity. (Doc ID 2296085.1)

Last updated on JUNE 09, 2020

Applies to:

Linux OS - Version Oracle Linux 6.0 and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64

Goal

This document describes how to configure a GRE (Generic Routing Encapsulation) tunnel on Oracle Linux for host-to-host connectivity or for site-to-site connectivity. The tunneling principle in either scenario remains the same.

Solution

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In this Document
Goal
Solution
 Overview
 Load the ip_gre Driver
 Configure a Host-to-Host Tunnel
 Verify Host-to-Host Connectivity
 Configure a Site-to-Site Tunnel
 Verify Site-to-Site Connectivity
 More on GRE Packets
References

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