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CCNA Security (640-554) Portable Command Guide by Bob Vachon

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Chapter 9. Securing the Data Plane in IPv6 Environments

This chapter covers the following topics:

Overview of IPv6

Comparison Between IPv4 and IPv6

The IPv6 Header

ICMPv6

Stateless Autoconfiguration

IPv4-to-IPv6 Transition Solutions

IPv6 Routing Solutions

IPv6 Threats

IPv6 Vulnerabilities

IPv6 Security Strategy

Configuring Ingress Filtering

Secure Transition Mechanisms

Future Security Enhancements

Overview of IPv6

Comparison Between IPv4 and IPv6

Image

The IPv6 Header

The IPv6 header is twice as big as the IPv4 header (40 bytes versus 20 bytes). However, IPv6 has fewer fields and is simpler, as shown in Figure 9-1.

Figure 9-1. IPv4 ...

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