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Added BID frame to spanningtree

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chhan11 2017-05-31 18:36:13 +02:00
parent 5553ed4bb0
commit 4a789e94e3
1 changed files with 10 additions and 0 deletions
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chapter/section/spanningtree.tex
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@ -119,6 +119,16 @@ Any network node with switchports and STP + BPDU enabled sends out BPDU packets
\subsubsection{Root Bridge}
Using a \textbf{R}oot \textbf{B}rigde as the reference point for the STP instance and calculation of root/designated/non-designated ports.\\This election process uses a pre-configured bridge priority (ranges from $0$ to $2^{16}$) (defaults to $2^{15}$). If a tie in priority is found the switch in possession of the lowest mac address wins the root bridge election.
\begin{txt}
|<-------- bridge id 8 bytes --->|
+----------+---------------------+
| Bridge | MAC |
| priority | Address |
+----------+---------------------+
|< 2 byte >|<----- 6 bytes ----->|
\end{txt}
\subsubsection{Port Cost}