Chapter 14. VLANs
One of the contributing technologies to excellent network performance is the separation of large broadcast domains into smaller ones with virtual local-area networks (VLANs). Smaller broadcast domains limit the number of devices participating in broadcasts and allow devices to be separated into functional groups. This chapter offers exercises to help you review how to configure, manage, and troubleshoot VLANs and Ethernet trunk links. It also reviews security considerations and strategies relating to VLANs and trunks and best practices for VLAN design.
VLAN Segmentation
VLANs give network administrators flexibility in LAN design. VLANs extend the traditional router-bounded broadcast domain to a VLAN-bounded broadcast domain; ...
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