\documentclass{standalone}

\usepackage[utf8]{inputenc}

\usepackage{pgfplots}
\pgfplotsset{compat=1.3}
\usepgfplotslibrary{units}
\usepgfplotslibrary{dateplot}
\usepackage{tikz}
\usepackage{pgfplotstable}
\usepackage{csquotes}
\usepackage{float}

\begin{document}

\pgfplotstableread{
size rate pps load
1500	982.38	81865 0.5
1450	981.1512	84582 0.7
1400	983.4272	87806 0.6
1350	981.936	90920 0.6
1300	979.9816	94229 0.8
1250	977.44	97744 0.5
1200	980.7936	102166 0.8
1150	978.5396	106363 0.7
1100	975.6472	110869 0.6
1050	972.3588	115757 0.9
1000	977.192	122149 0.8
950	974.0312	128162 0.8
900	970.6896	134818 1.0
850	965.4368	141976 0.9
800	970.8992	151703 1.0
750	966.756	161126 0.9
700	960.9544	171599 1.2
650	956.2592	183896 4.6
600	961.4736	200307 15.3
550	954.8088	217002 19.6
500	946.992	236748 23.7
450	928.7784	257994 25.1
400	823.2672	257271 25.3
350	722.5316	258047 25.4
300	615.1632	256318 25.5
250	492.206	246103 25.5
200	406.3824	253989 25.5
150	299.2116	249343 25.3
100	205.8888	257361 25.2
50	123.79728	257911 25.5

}\sizerateppsrecv

\begin{tikzpicture}
\pgfplotsset{
    y axis style/.style={
        yticklabel style=#1,
        y axis line style=#1,
        ylabel style=#1,
        ytick style=#1
   }
}
    \begin{axis}[
        width=15cm, height=10cm,
        title=Empfänger,
        xmin=1,
        xmax=1500,
        xlabel={Ethernet Frame-Größe},
        xtick={100,300,500,700,900,1100,1300,1500},
        ymin=0,ymax=1000,
        axis y line*=left,
        ylabel={Datenrate [MBit/s]},
        y axis style=blue!75!black,
		tick label style={/pgf/number format/fixed,/pgf/number format/1000 sep = \thinspace},
        scaled ticks=false
    ]
    \addplot[smooth,blue] table[x={size}, y={rate}] {\sizerateppsrecv};
    \end{axis}
    \begin{axis}[
        width=15cm, height=10cm,
        xmin=1,
        xmax=1500,
        axis x line=none,
        ymin=0,ymax=500000,
        ytick pos=right,
        axis y line* = right,
        ylabel={PPS},
        ylabel near ticks,
        ytick={100000,200000,300000,400000},
        y axis style=red!75!black,
		tick label style={/pgf/number format/fixed,/pgf/number format/1000 sep = \thinspace},
        scaled ticks=false
      ]
    \addplot[smooth,red] table[x={size}, y={pps}] {\sizerateppsrecv};
    \end{axis}
    \begin{axis}[
        width=15cm, height=10cm,
        xmin=1,
        xmax=1500,
        axis x line=none,
        ymin=0,ymax=26,
        axis y line=none,
      ]
    \addplot[smooth,green] table[x={size}, y={load}] {\sizerateppsrecv};
    \end{axis}
\end{tikzpicture}


\end{document}