Vorbereitung 2.11.2023

20231102/Ethernetpaket.pdf

+../common/Ethernetpaket.pdf
\ No newline at end of file

20231102/dbs-20231102.tex

@@ -257,6 +257,14 @@
           \lstinline[style=cmd]{arp}
   \end{itemize}
 
+  \bigskip
+
+  Ethernet-Frame:
+  \begin{center}
+    \label{Ethernetpaket}%
+    \includegraphics[width=12cm]{Ethernetpaket.pdf}%
+  \end{center}
+
 \end{frame}
 
 \subsection{TCP- und UDP-Ports}
@@ -299,6 +307,53 @@
 
 \end{frame}
 
+\begin{frame}
+
+  Protokollstapel:
+  \begin{center}
+    \begin{picture}(12,7)
+      \thicklines
+      \put(0,1.0){\line(1,0){12}}
+      \put(0,1.0){\line(0,1){3}}
+      \put(12,1.0){\line(0,1){3}}
+      \put(1.9,1.0){\line(0,1){3}}
+      \put(11.1,1.0){\line(0,1){3}}
+      \put(6,0.5){\makebox(0,0)[t]{\textbf{Ethernet-Paket}}}
+      \put(1,0.9){\makebox(0,0)[t]{\footnotesize Vorspann}}
+      \put(6.5,0.9){\makebox(0,0)[t]{\footnotesize Nutzdaten}}
+      \put(11.5,0.9){\makebox(0,0)[t]{\footnotesize Nachspann}}
+      \color{blue}
+      \thicklines
+      \put(2,2.0){\line(1,0){9}}
+      \put(2,2.0){\line(0,1){3}}
+      \put(3.9,2.0){\line(0,1){3}}
+      \put(11,2.0){\line(0,1){3}}
+      \put(6.5,1.5){\makebox(0,0)[t]{\textbf{IP-Paket}}}
+      \put(3,1.9){\makebox(0,0)[t]{\footnotesize Vorspann}}
+      \put(7.5,1.9){\makebox(0,0)[t]{\footnotesize Nutzdaten}}
+      \color{darkgreen}
+      \thicklines
+      \put(4,3.0){\line(1,0){6.9}}
+      \put(4,3.0){\line(0,1){3}}
+      \put(5.9,3.0){\line(0,1){3}}
+      \put(10.9,3.0){\line(0,1){3}}
+      \put(7.5,2.5){\makebox(0,0)[t]{\textbf{TCP-Segment}}}
+      \put(5,2.9){\makebox(0,0)[t]{\footnotesize Vorspann}}
+      \put(8.5,2.9){\makebox(0,0)[t]{\footnotesize Nutzdaten}}
+      \color{red}
+      \thicklines
+      \put(6,4.0){\line(1,0){4.8}}
+      \put(6,4.0){\line(0,1){3}}
+      \put(7.9,4.0){\line(0,1){3}}
+      \put(10.8,4.0){\line(0,1){3}}
+      \put(8.5,3.5){\makebox(0,0)[t]{\textbf{usw.}}}
+      \put(7,3.9){\makebox(0,0)[t]{\footnotesize Vorspann}}
+      \put(9.5,3.9){\makebox(0,0)[t]{\footnotesize Nutzdaten}}
+    \end{picture}
+  \end{center}
+
+\end{frame}
+
 \begin{frame}
 
   \begin{center}