\documentclass[10pt,a4paper]{article}

% Packages
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\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
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\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{Emil1502}
\pdfinfo{
  /Title (ccna-200-301.pdf)
  /Creator (Cheatography)
  /Author (Emil1502)
  /Subject (CCNA 200-301 Cheat Sheet)
}

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% This two commands together give roughly
% the right line height in the tables
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% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
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\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{CCNA 200-301 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Emil1502} via \textcolor{DarkBackground}{\uline{cheatography.com/78468/cs/33583/}}}
\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}Emil1502 \\
  \uline{cheatography.com/emil1502} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 5th February, 2025.\\
   Updated 13th August, 2022.\\
   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{multicols*}{3}

\begin{tabularx}{5.377cm}{x{1.55618 cm} x{1.51041 cm} x{1.51041 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{VTP}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Server}} & {\bf{Client}} & {\bf{Transparent}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{create/modifies/deletes} VLANs & synchronizes VTP information & \seqsplit{create/modifies/deletes} VLANs \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
synchronizes VTP information & originates VTP \seqsplit{advertisements} & stores VLAN info in NVRAM \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
originates VTP \seqsplit{advertisements} & forwards VTP \seqsplit{advertisements} & forwards VTP \seqsplit{advertisements} \tn 
% Row Count 11 (+ 3)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{5.377cm}}{forwards VTP advertisements} \tn 
% Row Count 12 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{3}{x{5.377cm}}{stores VLAN info in NVRAM} \tn 
% Row Count 13 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{5.377cm}}{Default mode: {\bf{Server}} Default version: {\bf{1}} Default domain: {\bf{null}}} \tn 
% Row Count 15 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{3}{x{5.377cm}}{Higher revision number in same domain = update VLAN database to match} \tn 
% Row Count 17 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{5.377cm}}{To reset revision to 0 = Change VTP domain or VTP mode to transparent} \tn 
% Row Count 19 (+ 2)
% Row 9
\SetRowColor{white}
\mymulticolumn{3}{x{5.377cm}}{{\bf{cAse-Sensitive Domain, Password and VTP version must match}}} \tn 
% Row Count 21 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.44333 cm} x{3.53367 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Banner}}  \tn
% Row 0
\SetRowColor{LightBackground}
Banner motd & Message of the day (temp) \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Banner login & Message at login (permanent) \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Banner exec & Message at enable (permanent) \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Serial interfaces}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Doesn't use ARP} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Clock rate on DCE (Female)} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{HDLC default encapsulation} \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.23965 cm} x{2.73735 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{VLANs}}  \tn
% Row 0
\SetRowColor{LightBackground}
Usable VLAN Range & 1-4094  (12-bit) \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Default VLANs & 1,1002-1005 (5 total) \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Normal Range & 1-1005 \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Extended Range & 1006-4096 \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.41887 cm} x{2.01388 cm} x{1.14425 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Port numbers}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{TCP}} & {\bf{UDP}} & {\bf{TCP \& UDP}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
FTP data (20) & DHCP server (67) & DNS (53) \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
FTP control (21) & DHCP client (68) &  \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
SSH (22) & TFTP (69) &  \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Telnet (23) & SNMP agent (161) &  \tn 
% Row Count 8 (+ 1)
% Row 5
\SetRowColor{white}
SMTP (25) & SNMP manager Trap (162) &  \tn 
% Row Count 10 (+ 2)
% Row 6
\SetRowColor{LightBackground}
HTTP (80) & Syslog (514) &  \tn 
% Row Count 11 (+ 1)
% Row 7
\SetRowColor{white}
HTTPS (443) & CAPWAP control (5246) &  \tn 
% Row Count 13 (+ 2)
% Row 8
\SetRowColor{LightBackground}
 & CAPWAP data (5247) &  \tn 
% Row Count 15 (+ 2)
% Row 9
\SetRowColor{white}
\mymulticolumn{3}{x{5.377cm}}{Chef (10002)} \tn 
% Row Count 16 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{5.377cm}}{Puppet (8140)} \tn 
% Row Count 17 (+ 1)
% Row 11
\SetRowColor{white}
\mymulticolumn{3}{x{5.377cm}}{Ansible (22)} \tn 
% Row Count 18 (+ 1)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{5.377cm}}{Salt (4505)} \tn 
% Row Count 19 (+ 1)
% Row 13
\SetRowColor{white}
TACACS+ (49) & RADIUS (1812+1813) &  \tn 
% Row Count 21 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.34379 cm} x{3.63321 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Routing metric (best path)}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Protocol}} & {\bf{Metric}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
RIP & Lowest hop count \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
OSPF & Lowest cost \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
EIGRP & Highest bandwidth,  lowest delay \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
BGP & Shortest AS path \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{IPv6 dynamic routing}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{RIPng, EIGRP for IPv6, OSPFv3, MP-BGPv4} \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.39356 cm} x{3.58344 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Classless routing (includes /mask)}}  \tn
% Row 0
\SetRowColor{LightBackground}
Classless & RIPv2, OSPF, EIGRP, BGP \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Classful & RIPv1, IGRP \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.09034 cm} x{2.88666 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Static route types}}  \tn
% Row 0
\SetRowColor{LightBackground}
Directly connected & Exit-interface \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Recursive & Nexthop-IP \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Fully specified & Exit-interface+nexthop IP \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
Floating static & Higher AD \textgreater{}1 \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{4.28022 cm} p{0.69678 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Max age defaults}}  \tn
% Row 0
\SetRowColor{LightBackground}
MAC table & 300 \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Errdisable recovery & 300 \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.88666 cm} x{2.09034 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Timers}}  \tn
% Row 0
\SetRowColor{LightBackground}
Protocol & HELLO / Holdtime \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
CDP (L2) & 60 / 180 \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
LLDP (L2) & 30 / 120 \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
OSPF (L3) & 10 / 40 (x4) \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
EIGRP (L3) & 5 / 15 \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
STP forward delay (L2) & 15 \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
HSRP (L3) & 3 / 10 \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.14011 cm} x{2.83689 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{IPv4 Protocol field}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Value}} & {\bf{Protocol}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
1 & ICMP \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
6 & TCP \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
17 & UDP \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
88 & EIGRP \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
89 & OSPF \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{OSPF DR/BDR election}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{1) Highest priority (0-255, 1 = default)\{\{ac\}\}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{2) Highest router-id (x.x.x.x)\{\{ac\}\}} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{BDR will be second highest\{\{ac\}\}} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Change require new election and {\bf{clear ip ospf process}}} \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.29487 cm} x{1.00248 cm} x{1.46195 cm} p{0.4177 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{5.377cm}}{\bf\textcolor{white}{OSPF default cost (100 Mbps)}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\emph{Reference BW}} & 100 Mbps & 100 000 Mbps &  \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
{\bf{Speed}} & {\bf{Cost}} & {\bf{Cost}} &  \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
10 Mbps & 10 & 10000 &  \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
100 Mbps & 1 & 1000 &  \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
1000 Mbps & 1 & 100 &  \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
10 000 Mbps & 1 & 10 &  \tn 
% Row Count 7 (+ 1)
% Row 6
\SetRowColor{LightBackground}
100 000 Mbps & 1 & 1 &  \tn 
% Row Count 8 (+ 1)
% Row 7
\SetRowColor{white}
\mymulticolumn{4}{x{5.377cm}}{{\bf{Auto-cost reference-bandwidth \textless{}\textgreater{}}} (same on all OSPF routers)} \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.88206 cm} x{1.09494 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{OSPF multicast}}  \tn
% Row 0
\SetRowColor{LightBackground}
OSPF Routers {\bf{HELLO}} & \seqsplit{224.0.0.5} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
OSPF Designated Routers {\bf{LSAs}} & \seqsplit{224.0.0.6} \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{OSPF states}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Down\{\{ac\}\}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Init\{\{ac\}\}} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{2-Way\{\{ac\}\}} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Exstart\{\{ac\}\}} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Exchange\{\{ac\}\}} \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Loading\{\{ac\}\}} \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Full\{\{ac\}\}} \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.9908 cm} x{2.9862 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{SDN architecture}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Application layer}} & App -{}-\textgreater{} Controller (NBI) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
{\bf{Control layer}} & SDN controller receives instructions \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{Infrastructure layer}} & Controller -{}-\textgreater{} devices (SBI) \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.29402 cm} x{3.68298 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{API}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Northbound} API & REST API ({\emph{format}} JSON, XML, OSGi) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{Southbound} API & NETCONF, RESTCONF, OpenFlow, OpFlex, onePK \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Automation}} = script to one device} \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Orchestration}} = scripts to many devices} \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{0.9954 cm} x{3.9816 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Southbound SBI}}  \tn
% Row 0
\SetRowColor{LightBackground}
OnePK & Cisco proprietary API \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\seqsplit{OpenFlow} & uses an {\bf{imperative}} SDN model \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
OpFlex & uses a {\bf{declarative}} SDN model \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
NETCONF & uses XML and RPC \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.02082 cm} x{0.82386 cm} p{0.73232 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{OSPF timers}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{OSPF type}} & {\bf{Hello}} & {\bf{Hold}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Broadcast & 10 & 40 \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Nonbroadcast & 30 & 120 \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
Point-to-point & 10 & 40 \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Point-to-multipoint broadcast & 30 & 120 \tn 
% Row Count 7 (+ 2)
% Row 5
\SetRowColor{white}
Point-to-multipoint nonbroadcast & 30 & 120 \tn 
% Row Count 9 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.50372 cm} p{0.79363 cm} x{0.91894 cm} x{0.96071 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{5.377cm}}{\bf\textcolor{white}{OSPF network type default}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Network}} & {\bf{Default}} & {\bf{DR/BDR election}} & {\bf{Manuel neighbor }} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
Broadcast & \seqsplit{Ethernet}, FDDI & Yes & No* \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Nonbroadcast & Frame Relay, X.25 & Yes & Yes \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
\seqsplit{Point-to-point} & PPP, HDLC & No & No* \tn 
% Row Count 10 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{Point-to-multipoint} &  & No & No* \tn 
% Row Count 12 (+ 2)
% Row 5
\SetRowColor{white}
\seqsplit{Point-to-multipoint} nonbroadcast &  & No & Yes \tn 
% Row Count 15 (+ 3)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{4}{x{5.377cm}}{*Uses multicast to form neighbor adjacency} \tn 
% Row Count 16 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.14471 cm} x{3.83229 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Routing algorithm}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{OSPF/IS-IS} & Dijkstra \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
EIGRP & Diffusing Update ALgorithm (DUAL) \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
RIP & Bellman-Ford \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.09494 cm} x{3.88206 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Wireless QoS}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{Platinum} & Voice (highest priority) \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Gold & Video \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Silver & Best effort (default) \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Bronze & Background (lowest priority) \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.88666 cm} x{2.09034 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Dynamic routing}}  \tn
% Row 0
\SetRowColor{LightBackground}
Linkstate & OSPF, IS-IS \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Distance vector & EIGRP, RIP \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Path vector & BGP \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.47158 cm} x{1.09848 cm} x{1.00694 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Multicast groups}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Protocol}} & {\bf{IPv4}} & {\bf{IPv6}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
All notes/host broadcast & \seqsplit{224.0.0.1} &  \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
HSRPv1 & \seqsplit{224.0.0.2} & \seqsplit{FF02::5/16} \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
OSPF HELLO (ALL) & \seqsplit{224.0.0.5} & FF02::5 \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
OSPF LSA  (DR-\textgreater{}DROTHER) & \seqsplit{224.0.0.6} & FF02::6 \tn 
% Row Count 8 (+ 2)
% Row 5
\SetRowColor{white}
EIGRP & \seqsplit{224.0.0.10} & FF02::A \tn 
% Row Count 10 (+ 2)
% Row 6
\SetRowColor{LightBackground}
VRRP & \seqsplit{224.0.0.18} & \seqsplit{ff02::12} \tn 
% Row Count 12 (+ 2)
% Row 7
\SetRowColor{white}
GLBP & \seqsplit{224.0.0.102} &  \tn 
% Row Count 14 (+ 2)
% Row 8
\SetRowColor{LightBackground}
HSRPv2 & \seqsplit{224.0.0.102} &  \tn 
% Row Count 16 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.14425 cm} x{1.28156 cm} x{2.15119 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Port status codes}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Hardware status}} & {\bf{Line Protocol status}} & {\bf{Typical reason}} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\seqsplit{administratively} down & down & Has {\bf{shutdown}} command configured \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
down & down & Has {\bf{no shutdown}} configured, but an error on the physical layer e.g. no cable connected or the other end is shut down \tn 
% Row Count 13 (+ 7)
% Row 3
\SetRowColor{white}
up & down & Data link (L2) error e.g. wrong encapsulation HDLC-{}-\textgreater{}PPP  or Ethernet \tn 
% Row Count 17 (+ 4)
% Row 4
\SetRowColor{LightBackground}
up & up & All is well and good \tn 
% Row Count 19 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.13551 cm} x{1.84149 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Syslog severity}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Severity level 0-7}} & {\bf{Name}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
0 & Emergency \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
1 & Alert \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
2 & Critical \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
3 & Error \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
4 & Warning \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
5 & Notification \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
6 & Informational \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
7 & Debugging \tn 
% Row Count 9 (+ 1)
% Row 9
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Every Awesome Cisco Engineer Will Need Ise Daily} \tn 
% Row Count 10 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{By default, syslog servers receive {\bf{informational messages (level 6)}}.} \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.9908 cm} x{2.9862 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{FHRP virtual MAC}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Protocol}} & {\bf{MAC}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
HSRPv1 & 0000.0c07.ac{\bf{xx}} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
HSRPv2 & 0000.0c9f.f{\bf{xxx}} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
VRRP & 0000.5E00.01{\bf{xx}} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
GLBP & 007.B400.{\bf{xxyy}} \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.28942 cm} x{2.68758 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Multicast MAC addresses}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Protocol}} & {\bf{MAC}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
CDP & 0100.0CCC.CCCC \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
LLDP & 0180.C200.000E \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.28942 cm} x{2.68758 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{IPv6 address types}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Group}} & {\bf{IPv6 address group}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Global Unicast & {\bf{2}}000::/3 \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Link-local & {\bf{fe}}80::/10 \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
Unique-Local & {\bf{fc}}00::/7 \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Unique-Local  (new) & {\bf{fd}}00::/8 \tn 
% Row Count 7 (+ 2)
% Row 5
\SetRowColor{white}
Multicast & {\bf{ff}}00::/8 \tn 
% Row Count 8 (+ 1)
% Row 6
\SetRowColor{LightBackground}
Default route & {\bf{::/0}} \tn 
% Row Count 9 (+ 1)
% Row 7
\SetRowColor{white}
Loopback & {\bf{::1}} \tn 
% Row Count 10 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.09034 cm} x{2.88666 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{IPv6 multicast groups (FF00::/8)}}  \tn
% Row 0
\SetRowColor{LightBackground}
FF0{\bf{1}}::/16 & node-local \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
FF0{\bf{2}}::/16 & link-local \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
FF0{\bf{5}}::/16 & site-local \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
FF0{\bf{8}}::/16 & organization-local \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
FF0{\bf{E}}::/16 & global \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.53367 cm} x{1.44333 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{ACL range}}  \tn
% Row 0
\SetRowColor{LightBackground}
Standard numbered & 1-99 \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Standard named & 1-99 \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Extended numbered & 100-199 \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Extended named & 100-199 \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Standard ACL as close to {\bf{destination}} as possible} \tn 
% Row Count 6 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Extended ACL as close to {\bf{source}} as possible} \tn 
% Row Count 7 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.05271 cm} x{2.56312 cm} x{0.96117 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{SNMP}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Class}} & {\bf{Message}} & {\bf{Sent by}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Read & Get\{\{nl\}\}GetNext\{\{nl\}\}GetBulk & NMS \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Write & Set & NMS \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
\seqsplit{Notification} & Trap\{\{nl\}\}Inform & Agent \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Response & Reponse & Agent \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.84149 cm} x{3.13551 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{HTTP status code}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Class}} & {\bf{Response status code}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
{\bf{1xx}} {\emph{informational}} & 102 Processing \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
{\bf{2xx}} {\emph{successful}} & 200 OK\{\{nl\}\}201 Created \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
{\bf{3xx}} {\emph{redirection}} & 301 Moved Permanently \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
{\bf{4xx}} {\emph{client error}} & 400 Bad Request\{\{nl\}\}401 Unauthorized\{\{nl\}\}403 Forbidden\{\{nl\}\} 404 Not Found\{\{nl\}\}408 Request Timeout \tn 
% Row Count 12 (+ 5)
% Row 5
\SetRowColor{white}
{\bf{5xx}} {\emph{server error}} & 500 Internal Server Error \tn 
% Row Count 14 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.73926 cm} x{1.64772 cm} x{1.19002 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{CRUD REST API (HTTP)}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Purpose}} & {\bf{CRUD operation}} & {\bf{HTTP Verb}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Create new variable & {\bf{Create}} & POST \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Retrieve variable & {\bf{Read}} & GET \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
Change variable & {\bf{Update}} & PUT, PATCH \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Delete variable & {\bf{Delete}} & DELETE \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{REST API encoding}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Serialized format}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{JSON} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{XML} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{YAML} \tn 
% Row Count 4 (+ 1)
\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}{Power policing}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{power inline police (default)}} & Disables port and send syslog. Must be re-enabled with shutdown and no shutdown \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
{\bf{power inline police action err-disable}} & Same as power inline police \tn 
% Row Count 7 (+ 3)
% Row 2
\SetRowColor{LightBackground}
{\bf{power inline police action log}} & does NOT shut down but {\bf{restarts}} the interface and sends syslog \tn 
% Row Count 11 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4577 cm} x{0.82386 cm} x{3.29544 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{EIGRP K-values}}  \tn
% Row 0
\SetRowColor{LightBackground}
K1 & \seqsplit{Bandwidth} & Lowest bandwidth of the route \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
K3 & Delay & Cumulative interface delay of the route \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.55618 cm} x{1.73926 cm} x{1.28156 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Administrative Distance (Lower is better)}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Source}} & {\bf{Default Distance}} & {\bf{Table Entry}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Directly Connected & 0 & C \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Static & 1 & S \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
eBGP & 20 & B \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
EIGRP & 90 & D \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
OSPF & 110 & O \tn 
% Row Count 8 (+ 1)
% Row 6
\SetRowColor{LightBackground}
ISIS & 115 & i \tn 
% Row Count 9 (+ 1)
% Row 7
\SetRowColor{white}
RIP & 120 & R \tn 
% Row Count 10 (+ 1)
% Row 8
\SetRowColor{LightBackground}
External EIGRP & 170 & D EX \tn 
% Row Count 12 (+ 2)
% Row 9
\SetRowColor{white}
iBGP & 200 & B \tn 
% Row Count 13 (+ 1)
% Row 10
\SetRowColor{LightBackground}
Unkown & 255 &  \tn 
% Row Count 14 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} x{4.4793 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Packet Forwarding Decision}}  \tn
% Row 0
\SetRowColor{LightBackground}
1) & Longest Prefix Match / \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
2) & Gateway of last resort \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
3) & Drop \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{4.03137 cm} p{0.94563 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Spanning Tree}}  \tn
% Row 0
\SetRowColor{LightBackground}
Default STP on Cisco & PVST+ \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
PVST+ and RSTP compatible? & Yes \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Rapid PVST & 802.1w \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Legacy STP & 802.1d \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{STP port election}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Root bridge}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{1: Lowest bridge ID (superior)} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Root port}} election} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{1: Lowest root cost} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{2: Lowest neighbor bridge ID} \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{3: Lowest neighbor port ID} \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Designated port}} (per collision domain)} \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{1: Interface on switch with lowest root cost} \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{2: Interface on switch with lowest bridge ID} \tn 
% Row Count 9 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.63781 cm} x{2.33919 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{STP cost}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Speed}} & {\bf{Cost}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
10 Mbps & 100 \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
100 Mbps & 19 \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
1 Gbps & 4 \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
10 Gbps & 2 \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.13551 cm} x{1.84149 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Port states}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Legacy STP (802.1D)}} & {\bf{Rapid STP (802.1W)}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Disabled\{\{nl\}\}Blocking\{\{nl\}\}Listening & Discarding \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Learning & Learning \tn 
% Row Count 5 (+ 1)
% Row 3
\SetRowColor{white}
Forwarding & Forwarding \tn 
% Row Count 6 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.38896 cm} x{2.58804 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Port Roles}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Legacy STP (802.1D)}} & {\bf{Rapid STP (802.1w)}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Root & Root \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Designated & Designated \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
Blocking & Alternate \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
 & Backup (shared link, hub) \tn 
% Row Count 7 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.89126 cm} x{3.08574 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{WLC Interfaces (Logical)}}  \tn
% Row 0
\SetRowColor{LightBackground}
Management interface & MGMT traffic, CAPWAP tunnels are formed to/from this interface \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
Redundancy MGMT interface & Two WLCs connected as 'active' and 'standby' \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Virtual interface & Communicate with wireless clients e.g. relay DHCP requests \tn 
% Row Count 8 (+ 3)
% Row 3
\SetRowColor{white}
Service port interface & Out-of-band MGMT bound to service port \tn 
% Row Count 10 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Dynamic interface & Used to map WLAN to a VLAN bound to port \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Autonomous AP}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Locally switched} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Trunk/tagged between Distribution System (DS) and AP} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Configured via Telnet, SSH or HTTP (GUI)} \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{No central monitoring or management} \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Lightweight AP}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Centrally controlled by WLC} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Split-MAC architecture} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Control and Provisioning of Wireless Access Points protocol (CAPWAP)} \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{CAPWAP tunnel UDP 5246 (control) 5247 (data)} \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{AP connect to access port} \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Local mode traffic can not be locally switched (default mode)} \tn 
% Row Count 8 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{FlexConnect can be locally switched when CAPWAP is down} \tn 
% Row Count 10 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Modes: Local, flexConnect, monitor, sniffer,  rogue detector, bridge, SE-Connect} \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Default console settings}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{9600 bits/second\{\{ac\}\}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{8-bit ASCII\{\{ac\}\}} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{No parity bits\{\{ac\}\}} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{No flow control\{\{ac\}\}} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{1 stop bit\{\{ac\}\}} \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{WLC controller}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Max. 512 dynamic interfaces (WLANS)\{\{ac\}\}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Telnet timeout 5 min (Default )\{\{ac\}\}} \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.05271 cm} x{1.78503 cm} x{1.73926 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Wireless security}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Version}} & {\bf{Authentication}} & {\bf{Encryption+MIC}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
WPA & PSK & TKIP (RC4) \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
WPA-2 & PSK & AES 128 CCMP \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
WPA-3 & SAE (replaces PSK) & AES 256 GCMP \tn 
% Row Count 6 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{5.377cm}}{SAE - Simultaneous Authentication of Equals} \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{3}{x{5.377cm}}{PMF - Protected Management Frame: Protects 802.11 mgmt frames} \tn 
% Row Count 9 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{5.377cm}}{{\bf{Forward Secrecy }} prevents decryption after transmitted} \tn 
% Row Count 11 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.44333 cm} x{3.53367 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{EAP authentication}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Method}} & {\bf{Process}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
LEAP (Cisco) & Mutual authentication (least secure) \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
EAP-FAST (Cisco) & Uses a client PAC key \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
PEAP & 1-way server side certificate \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
EAP-TLS & 2-way server and client certificate (best) \tn 
% Row Count 9 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.54301 cm} x{1.46195 cm} x{1.46195 cm} p{0.71009 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{5.377cm}}{\bf\textcolor{white}{Port violation modes}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Mode}} & {\bf{Disable interface}} & {\bf{Increment counter}} & {\bf{Syslog}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{Protect} & No & No & No \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{Restrict} & No & Yes & Yes \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
\seqsplit{Shutdown} & Yes & Yes & Yes \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{4}{x{5.377cm}}{Protect+Restrict discard traffic from unauthorized MACs (filter)} \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Enable SSH}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{1) Configure hostname {\emph{(other than Router or Switch)}}\{\{ac\}\}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{2) Configure domain name\{\{ac\}\}} \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{3) Generate RSA keys \{\{ac\}\}} \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{4) Transport input SSH on vty lines\{\{ac\}\}} \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Security methods}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{1) Something you know (Password, Pin)\{\{ac\}\}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{2) Something you have (Card, Phone MFA)\{\{ac\}\}} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{3) Something you are (Biometric)\{\{ac\}\}} \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Site-to-site VPN (4 steps)}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{1) Combines session/encryption key with data and {\bf{encrypt both the data and the key}}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{2) The sending device {\bf{encapsulates}} the encrypted data and session key and {\bf{adds a VPN header and a new IP header}}} \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{3) Sending device {\bf{sends the completed packet}} to the destination device (other end of tunnel)} \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{4) The destination or receiving device {\bf{decrypt the packet}} with the sessions key} \tn 
% Row Count 9 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} x{4.4793 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{PCP CoS values (3-bit) voice}}  \tn
% Row 0
\SetRowColor{LightBackground}
0 & Best effort (default all traffic) \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
3 & Critical application (IP phones mark call signaling traffic with 3) \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
5 & Voice (IP phones mark voice traffic with 5) \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{One-way delay:}} 150 ms or less} \tn 
% Row Count 6 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Jitter:}} 30 ms or less} \tn 
% Row Count 7 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Loss:}} 1\% or less} \tn 
% Row Count 8 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Voice is {\bf{AF46}} expedited forwarding EF} \tn 
% Row Count 9 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{0.9954 cm} x{3.9816 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Configuration Register}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{0x2102}} & Factory default, load IOS from flash to NVRAM \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
0x2100 & Load ROM monitor mode \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
0x2142 & Load IOS from Flash without startup-config \tn 
% Row Count 5 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}