July 2006
Intermediate to advanced
408 pages
9h 21m
English
Content preview from Network VirtualizationBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 11. The Virtualized Access Layer
Chapter 3, “A Basic Virtualized Enterprise,” briefly described the typical multilayer campus architecture, with its traditional building blocks of access, distribution, and core. Other chapters looked at how the distribution and core must change to support virtualized services. Now it is time to look at the access layer.
The discussion is organized into three broad sections:
A short section on the access layer to review the key features deployed in the wiring closet
The issues of authentication and authorization
A design example
Access Layer Switching
The role of the access switch is to physically aggregate user ports and switch user traffic both locally and to the distribution layer.
Figure 11-1 shows a wiring ...
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