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CCNP Security Secure 642-637 Official Cert Guide by Franklin H. Smith III, Sean Wilkins

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Chapter 18. Deploying High Availability in Tunnel-Based IPsec VPNs

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 ...

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