Cisco ASA: All-in-One Firewall, IPS, and VPN Adaptive Security Appliance

Chapter 15. Site-to-Site IPSec VPNs

This chapter covers the following topics:

• Preconfiguration checklist

• Configuration steps

• Advanced features

• Optional commands

• Deployment scenarios

• Monitoring and troubleshooting

Corporations continuously expand their operations by adding remote offices. These offices need network connectivity back to the corporate network for data transfer. Network administrators must evaluate the requirements and create the design to meet them. This includes selecting the network hardware platforms and the WAN technology to interconnect the branch and small offices. Some point-to-point WAN technologies include Frame Relay, Integrated Services Digital Network (ISDN), and Asynchronous Transfer Mode (ATM). Though these technologies do ...