CCNP ISCW Portable Command Guide

Chapter 4. IPsec VPNs

This chapter provides information and commands concerning the following topics:

• Configuring a teleworker to branch office VPN using CLI

• Configuring IPsec site-to-site VPNs using CLI

• Configuring IPsec site-to-site VPNs using SDM

• Configuring GRE tunnels over IPsec

• Configuring a static IPsec virtual tunnel interface

• Configuring High Availability VPNs

  • IPsec backup peers

  • Hot Standby Routing Protocol (HSRP)

  • IPsec stateful failover

  • Backing Up WAN connections with IPsec VPNs

• Configuring Easy VPN Server using Cisco SDM

• Implementing the Cisco VPN Client

Much of this chapter references the network topology shown in Figure 4-1. The Winnipeg and Edmonton routers have a basic configuration to which additional programming will be added.

Figure 4-1. VPN ...