\documentclass[10pt,a4paper]{article}

% Packages
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\usepackage{multicol}           % Allows multicols in tables
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\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{rotmac16}
\pdfinfo{
  /Title (dhcp-cheatsheet.pdf)
  /Creator (Cheatography)
  /Author (rotmac16)
  /Subject (DHCP\_Cheatsheet Cheat Sheet)
}

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% This two commands together give roughly
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% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
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% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
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\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{DHCP\_Cheatsheet Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{rotmac16} via \textcolor{DarkBackground}{\uline{cheatography.com/100637/cs/22471/}}}
\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}rotmac16 \\
  \uline{cheatography.com/rotmac16} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 21st April, 2020.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
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  \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{multicols*}{3}

\begin{tabularx}{5.377cm}{x{2.33919 cm} x{2.63781 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{DHCPv4 Config}}  \tn
% Row 0
\SetRowColor{LightBackground}
exclude address from DHCP pool & `ip dhcp excluded-address {[}IP{]} {[}IP{]}` \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
create DHCP pool & `ip dhcp pool {[}NAME{]}` \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Pool Config; network address & `network {[}IP{]} {[}SNM{]}` \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
Pool Config; Default Router & `default-router {[}IP{]}` \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Pool Config; DNS Server & `dns-server {[}IP{]}` \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
Relay Agent Config (on inerface) & `ip helper-address {[}IP` \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
activate DHCP (on interface) & `ip address dhcp` \tn 
% Row Count 13 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{DHCPv6 Config}}  \tn
% Row 0
\SetRowColor{LightBackground}
create DHCP pool & `ipv6 dhcp pool {[}NAME{]}` \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Pool Config; set network & `address prefix {[}IP/SNM{]}` \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Pool Config;  DNS Server & `dns-server {[}IP{]}` \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
Pool Config; Domain Name & `domain-name {[}NAME{]}` \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Provide a config flag (on interface) & `ipv6 nd {[}other/managed{]}-config-flag` \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
Set created pool as resource (on interface) & `ipv6 dhcp server {[}NAME{]}` \tn 
% Row Count 13 (+ 3)
% Row 6
\SetRowColor{LightBackground}
Relay agent (on interface) & `ipv6 dhcp relay destination {[}IP{]} {[}INT{]}` \tn 
% Row Count 15 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{IPv6 Commands not working}}  \tn
% Row 0
\SetRowColor{LightBackground}
falls bei 'show sdm prefer' nur "default" steht, muss die IPv6 Unterstützung so aktiviert werden & `sdm prefer dual-ipv4-and-ipv6 default` {\bf{and}} `do reload` \tn 
% Row Count 5 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.78712 cm} x{2.18988 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Verification}}  \tn
% Row 0
\SetRowColor{LightBackground}
Verify that the IP was received from DHCP & `show ip interface brief` \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Verify DHCP bindings & `show ip dhcp binding` \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Verify DHCP pool details & `show ip dhcp pool` \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
Examine DHCP messages & `show ip dhcp server statistics` \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Acquire a new IP & `ipconfig /renew(6)` \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
Release an IP & `ipconfig /release(6)` \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Verify by pinging other devices & `ping {[}IP{]}` \tn 
% Row Count 14 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}