IPsec VPN Aggressive Mode

Introduction

In this lesson, we will configure a Site-to-Site IPsec VPN using Aggressive Mode. This configuration is important because it allows for quicker establishment of secure connections between two sites, which is crucial in environments where speed and efficiency are necessary.

Quick Recap

In the previous lesson, we configured the basic network topology. Here’s a reminder of the devices and their IP addresses:

Topology

      +---------+               +---------+
      |   R1    |               |   R2    |
      |         |               |         |
      | 1.1.1.1 |               | 2.2.2.2 |
      |         |               |         |
      +---------+               +---------+
          |                           |
      10.1.12.1                   10.1.12.2