latex画计算机网络图,LaTeX技巧634：Tikz绘制网络拓扑图

看图：

\documentclass{article}

\usepackage[hmargin=2.5cm]{geometry}

\usepackage{tikz}

\usetikzlibrary{calc, shadings, shadows, shapes.arrows}

% Styles for interfaces and edge labels

\tikzset{%

interface/.style={draw, rectangle, rounded corners, font=\LARGE\sffamily},

ethernet/.style={interface, fill=yellow!50},% ethernet interface

serial/.style={interface, fill=green!70},% serial interface

speed/.style={sloped, anchor=south, font=\large\sffamily},% line speed at edge

route/.style={draw, shape=single arrow, single arrow head extend=4mm,

minimum height=1.7cm, minimum width=3mm, white, fill=blue!20,

drop shadow={o