LAN Architecture and Design Concepts in Networking
Explore LAN architecture concepts such as network topologies, two-tier and three-tier designs, home office setups, physical interfaces, cabling types, and Power over Ethernet (PoE) standards. Learn about campus LAN design terminology, star topology, mesh and core designs, and switch functionalities in LAN environments.
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Presentation Transcript
CCNA 200-301, Volume 2 Chapter 13 LAN Architecture
Objectives Describe characteristics of network topology architectures 2 tier 3 tier Small office/home office (SOHO) Compare physical interface and cabling types Concepts of PoE
The Star Topology Design Concept in Networking
Using a Full Mesh at the Distribution Layer, 6 Switches, 15 Links
Two Tier Building Design, No Core, Three Buildings
Three-Tier Building Design (Core Design), Three Buildings
Campus Switches Summary Access: Provides a connection point for end-user devices Distribution: Provides an aggregation point for access switches Core: Aggregates distribution switches in very large campus LANs
A Representation of the Functions Inside a Consumer Wireless Routing Product
Power over Ethernet Standards Name Standard Watts at PSE 7 15 30 60 100 Powered Wire Pairs 2 2 2 4 4 Cisco Inline Power PoE PoE+ UPoE UPoE+ Cisco 802.3af 902.3at 802.3bt 802.3bt
Key Points When Planning a LAN Design with PoE Powered Devices Power Requirements Switch Ports Switch Power Supplies PoE Standards vs. Actual
