What is a site to site VPN used for?

Site to site VPN tunnels are static tunnels setup between two network devices over the internet to allow multiple locations behind different firewalls access the same internal resources over a secure tunnel across the internet.

How is it different from Remote Access VPN?

Remote access VPN is primarly used for remote workers to access internal resources from outside the network. This type of VPN involves a software client configured on a user’s PC to contact the security gateway (ASA) or other device and establish a secure tunnel dynamically between the security gateway and the user’s software client so that the user’s traffic exiting their PC is tunneled through the VPN setup by the software client on the PC.

Network setup:

In our example we have two Cisco ASA firewalls running 8.3(x) code or below. There are slight command differences in newer code versions so for the Continue reading Setting up a Site-to-Site VPN between Cisco ASA’s Using the CLI →