Dynamic Multipoint Virtual Private Network (DMVPN) owes its popularity to two primary reasons: scalability and simplicity of configuration. In large organizations with lots of branches, configuring dozens of point-to-point VPN tunnels is an error-prone and cumbersome exercise. So Cisco introduced the DMVPN technology nearly two decades ago. DMVPN finds favor Read More
Let’s configure a VTI site-to-site Virtual Private Network in this lab. In this VPN lab, we’re running IPSEC as the native protocol on the tunnel interface. We’re not using Generic Routing Encapsulation (GRE) in this VPN lab. The lab will also demonstrate use of a dynamic routing protocol (EIGRP) between Read More
Not all Virtual Private Networks (VPNs) are created equal. There are so many flavors of VPNs to boggle the imagination. Purists insist that, strictly speaking, a VPN is not even required to have encryption. Of course, the same purists would concede that IPsec is a must have add-on for a Read More