\documentclass[10pt,a4paper]{article} % Packages \usepackage{fancyhdr} % For header and footer \usepackage{multicol} % Allows multicols in tables \usepackage{tabularx} % Intelligent column widths \usepackage{tabulary} % Used in header and footer \usepackage{hhline} % Border under tables \usepackage{graphicx} % For images \usepackage{xcolor} % For hex colours %\usepackage[utf8x]{inputenc} % For unicode character support \usepackage[T1]{fontenc} % Without this we get weird character replacements \usepackage{colortbl} % For coloured tables \usepackage{setspace} % For line height \usepackage{lastpage} % Needed for total page number \usepackage{seqsplit} % Splits long words. %\usepackage{opensans} % Can't make this work so far. Shame. Would be lovely. \usepackage[normalem]{ulem} % For underlining links % Most of the following are not required for the majority % of cheat sheets but are needed for some symbol support. \usepackage{amsmath} % Symbols \usepackage{MnSymbol} % Symbols \usepackage{wasysym} % Symbols %\usepackage[english,german,french,spanish,italian]{babel} % Languages % Document Info \author{stephaneb} \pdfinfo{ /Title (cisco-ios-dhcp.pdf) /Creator (Cheatography) /Author (stephaneb) /Subject (Cisco IOS DHCP Cheat Sheet) } % Lengths and widths \addtolength{\textwidth}{6cm} \addtolength{\textheight}{-1cm} \addtolength{\hoffset}{-3cm} \addtolength{\voffset}{-2cm} \setlength{\tabcolsep}{0.2cm} % Space between columns \setlength{\headsep}{-12pt} % Reduce space between header and content \setlength{\headheight}{85pt} % If less, LaTeX automatically increases it \renewcommand{\footrulewidth}{0pt} % Remove footer line \renewcommand{\headrulewidth}{0pt} % Remove header line \renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit % This two commands together give roughly % the right line height in the tables \renewcommand{\arraystretch}{1.3} \onehalfspacing % Commands \newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour \newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols \newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns \newcommand{\tn}{\tabularnewline} % Required as custom column type in use % Font and Colours \definecolor{HeadBackground}{HTML}{333333} \definecolor{FootBackground}{HTML}{666666} \definecolor{TextColor}{HTML}{333333} \definecolor{DarkBackground}{HTML}{105AA3} \definecolor{LightBackground}{HTML}{F0F4F9} \renewcommand{\familydefault}{\sfdefault} \color{TextColor} % Header and Footer \pagestyle{fancy} \fancyhead{} % Set header to blank \fancyfoot{} % Set footer to blank \fancyhead[L]{ \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{C} \SetRowColor{DarkBackground} \vspace{-7pt} {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}} } \end{tabulary} \columnbreak \begin{tabulary}{11cm}{L} \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Cisco IOS DHCP Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{stephaneb} via \textcolor{DarkBackground}{\uline{cheatography.com/121098/cs/22462/}}} \end{tabulary} \end{multicols}} \fancyfoot[L]{ \footnotesize \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{LL} \SetRowColor{FootBackground} \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}} \\ \vspace{-2pt}stephaneb \\ \uline{cheatography.com/stephaneb} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Published 7th May, 2020.\\ Updated 20th April, 2020.\\ Page {\thepage} of \pageref{LastPage}. \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}} \\ \SetRowColor{white} \vspace{-5pt} %\includegraphics[width=48px,height=48px]{dave.jpeg} Measure your website readability!\\ www.readability-score.com \end{tabulary} \end{multicols}} \begin{document} \raggedright \raggedcolumns % Set font size to small. Switch to any value % from this page to resize cheat sheet text: % www.emerson.emory.edu/services/latex/latex_169.html \footnotesize % Small font. \begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{To configure DHCP server}} \tn % Row 0 \SetRowColor{LightBackground} Command & Purpose \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} Device(config)\# service dhcp & Enables the DHCP server and relay agent on your switch. \tn % Row Count 4 (+ 3) % Row 2 \SetRowColor{LightBackground} Device(config)\# ip dhcp excluded-address low-address {[}high-address{]} & Specifies IP addresses that the DHCP server should not assign to DHCP clients. \tn % Row Count 8 (+ 4) % Row 3 \SetRowColor{white} Device(config)\# ip dhcp pool 1 & Creates a name for the DHCP server address pool and enters DHCP pool configuration mode. \tn % Row Count 13 (+ 5) % Row 4 \SetRowColor{LightBackground} \seqsplit{Device(dhcp-config)\#} network 172.20.0.0 /24 & Specifies the subnet network number and mask of the DHCP address pool. \tn % Row Count 17 (+ 4) % Row 5 \SetRowColor{white} \seqsplit{Device(dhcp-config)\#} dns server 8.8.4.4 8.8.8.8 & Specifies the IP address of a DNS server that is available to a DHCP client. \tn % Row Count 21 (+ 4) % Row 6 \SetRowColor{LightBackground} \seqsplit{Device(dhcp-config)\#} default-router 172.16.20.0.1 & Specifies the IP address of the default device for a DHCP client. \tn % Row Count 25 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{To display DHCP server information}} \tn % Row 0 \SetRowColor{LightBackground} Command & Purpose \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} Device\textgreater{} show ip dhcp binding {[}address{]} & Displays a list of all bindings created on a specific DHCP server. \tn % Row Count 5 (+ 4) % Row 2 \SetRowColor{LightBackground} Device\textgreater{} show ip dhcp conflict {[}address{]} & Displays a list of all address conflicts recorded by a specific DHCP server. \tn % Row Count 9 (+ 4) % Row 3 \SetRowColor{white} Device\textgreater{} show ip dhcp server statistics & Displays count information about server statistics and messages sent and received. \tn % Row Count 14 (+ 5) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{x{8.635 cm} x{8.635 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{To clear DHCP server variables:}} \tn % Row 0 \SetRowColor{LightBackground} Command & Purpose \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} Device\# clear ip dhcp binding address | * & Deletes an automatic address binding from the DHCP database. Specifying address clears the automatic binding for a specific (client) IP address whereas specifying asterisk (*) clears all automatic bindings. \tn % Row Count 12 (+ 11) % Row 2 \SetRowColor{LightBackground} Device\# clear ip dhcp conflict address | * & Clears an address conflict from the DHCP database. Specifying address clears the conflict for a specific IP address whereas specifying an asterisk (*) clears conflicts for all addresses. \tn % Row Count 22 (+ 10) % Row 3 \SetRowColor{white} Device\# clear ip dhcp server statistics & Resets all DHCP server counters to 0. \tn % Row Count 25 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{x{8.9804 cm} x{8.2896 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{17.67cm}}{\bf\textcolor{white}{To enable DHCP server debugging}} \tn % Row 0 \SetRowColor{LightBackground} Command & Purpose \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} Device\# debug ip dhcp server \{events | packets\} & Enables debugging on the DHCP server. \tn % Row Count 4 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \end{document}