Chapter 9. VLAN and Trunking Concepts
This chapter covers the following exam topics:
2.2 Explain basic switching concepts and the operation of Cisco switches
2.2.b MAC table
2.2.c Flooding
2.3 Describe and Configure enhanced switching technologies
2.3.a VTP
2.3.b VLAN
2.3.c 802.1Q
At their heart, the Layer 2 switching logic on Ethernet switches receives Ethernet frames, makes decisions, and then forwards (switches) those Ethernet frames. That core logic revolves around MAC addresses, the interface in which the frame arrives, and the interfaces out which the switch forwards the frame.
Several switch features have some impact on an individual switch’s decisions about where to forward frames, but of all the topics in this book, virtual LANs (VLAN) ...
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