CCNA Security (640-554) Portable Command Guide

Chapter 16. IPsec VPNs

This chapter covers the following topics:

IPsec Protocol

• IPsec Protocol Framework

• Encapsulating IPsec Packets

• Transport Versus Tunnel Mode

• Confidentiality Using Encryption Algorithms

• Data Integrity Using Hashing Algorithms

• Peer Authentication Methods

• Key Exchange Algorithms

• NSA Suite B Standard

Internet Key Exchange

• IKE Negotiation Phases

• IKEv1 Phase 1 (Main Mode and Aggressive Mode)

• IKEv1 Phase 2 (Quick Mode)

• IKEv2 Phase 1 and 2

• IKEv1 Versus IKEv2

IPv6 VPNs

IPsec Protocol

The IP Security (IPsec) protocol is an open standard that provides the following:

IPsec Protocol Framework

IPsec identifies ...