Add Spanning Tree Protocol document.
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title: Spanning Tree Protocol (STP)
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author: Carl Kittelberger
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papersize: a4
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classoption: oneside
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mainfont: Arial
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sansfont: Arial
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header-includes:
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- \usepackage{longtable}
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---
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*Schleife in der Verkabelung erzeugt Broadcaststurm!*
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Ein Switch im Netz wird als **Root-Switch** festgelegt.
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Switches unterhalten sich über **BPDUs** (*Bridge Protocol Data Units*).
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Der Switch mit der höchsten Priorität wird der Root-Switch.
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Jeder Switch bekomment eine Switch-Kennung:
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{width=200px}
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Jeder Switch aktiviert *eine* Leitung zum Root-Switch hin.
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→ Netz wird auf einen logischen Baum reduziert
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→ **Spannbaum** (*Spanning Tree*)
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→ Jedes Teilstück der Verbindung wird mit "Kosten" belegt.
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→ Der Pfad von Switch zum Root-Switch mit den geringsten Gesamtkosten (**Root-Path-costs**) wird aktiviert.
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→ **Rootpath**. Der Port am Switch, der zum Root führt ist der **Rootport**.
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# Images generated by LibreOffice Draw
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*.png
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