How a Spanning Tree Works by Global KnowledgeWelcome, Guest      sign in | register | help

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Research Abstract
How a Spanning Tree Works
by Global Knowledge

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Published on: June 01, 2009
Type of content: WHITE PAPER
Format: Unknown
Length: 9 pages
Price: FREE


This paper focuses on Spanning Tree Protocol (STP), IEEE Standard 802.1D. But first, it's important to understand the functions of an Ethernet LAN switch:

  • Address learning

  • Address filtering

  • Forwarding of frames

  • Loop avoidance

The way a switch learns Ethernet (MAC) addresses is by inspecting the Ethernet frame and recording the source MAC address in a dynamic table. The switch will also associate a learned MAC address with a port. It can then make intelligent forwarding decisions based on the destination MAC address. This white paper illustrates the process.

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