This chapter covers the following subjects:
• Plan the deployment of Cisco IOS Software site-to-site IPsec VPN high-availability features: Covers methods for providing redundancy to site-to-site VPNs.
• Use routing protocols for VPN failover: Covers deploying routing protocols to provide path redundancy.
• Choose the most optimal method of mitigating failure in a VTI-based VPN: Covers path and device redundancy in single- and multiple-transport networks.
• Choose the most optimal method of mitigating failure in a DMVPN: Covers providing redundancy in a DMVPN.
IPsec Virtual Private Networks (VPN) have become a method of providing primary connections between sites. In the recent ...