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\ihead{CCNA v7.2: ITN (Introduction to Networks)}
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\ohead{kohnlehome.de/cisco/CCNA-1-11.pdf}
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\ifoot{Franz Kohnle}
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\begin{document}

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    11 IPv4 Addressing
\end{center}

\section*{11.1 IPv4 Address Structure}
\begin{itemize}
    \item IPv4-Address: Network Portion / Host Portion
    \item Subnetmask, z.B. 255.0.0.0
          \begin{itemize}
              \item Konfiguration in Windows
          \end{itemize}
    \item Prefix Length, z.B. /8
    \item Network Address: IP-Address AND Subnetmask
    \item Network
          \begin{itemize}
              \item Network Address
              \item First usable host
              \item Last usable host
              \item Broadcast Address
          \end{itemize}
    \item 11.1.7 Activity - ANDing to Determine the Network Address
\end{itemize}

\section*{11.2 IPv4 Unicast, Broadcast, and Multicast}
\begin{itemize}
    \item Unicast
    \item Broadcast
          \begin{itemize}
              \item Limited Broadcast: 255.255.255.255 (im eigenen Netz, wird nicht geroutet)
              \item Directed Broadcast (in anderes Netzes)
          \end{itemize}
    \item Multicast 224.0.0.0 - 239.255.255
          \begin{itemize}
              \item OSPF 224.0.0.5
          \end{itemize}
    \item 11.2.4 Activity - Unicast, Broadcast, or Multicast
\end{itemize}

\section*{11.3 Types of IPv4 Addresses}
\begin{itemize}
    \item Private Address Blocks (RFC 1918)
          \begin{itemize}
              \item 10.0.0.0/8
              \item 172.16.0.0/12
              \item 192.168.0.0/16
          \end{itemize}
    \item NAT (Fehler in Bildern!)
    \item 11.3.3 Activity - Pass or Block IPv4 Addresses
    \item Special Use IPv4 Addresses
          \begin{itemize}
              \item 127.0.0.1, loopback
              \item 169.254.0.0/16 APIPA (Automatic Private IP Addressing),Link-local
          \end{itemize}
    \item Legacy Classful Addressing
          \begin{itemize}
              \item Class A 0 – 127
              \item Class B 128 – 191
              \item Class C 192 – 223
              \item Class D 224 –239 Multicast
              \item Class E 240 – 255 Experimental
          \end{itemize}
    \item IANA
          \begin{itemize}
              \item AfriNIC: Africa
              \item APNIC: Asia, Pacific
              \item ARIN: North America
              \item LACNIC: Latin America, Caribbean
              \item RIPE: Europe, Middle East, Central Asia
          \end{itemize}
    \item 11.3.7 Activity - Public or Private IPv4 Address
\end{itemize}


\section*{11.4 Network Segmentation}
\begin{itemize}
    \item Broadcast Domains
    \item Segmenting Networks
          \begin{itemize}
              \item Location
              \item Group or Function
              \item Device Type
          \end{itemize}
\end{itemize}

\section*{11.5 Subnet an IPv4 Network}
\begin{itemize}
    \item Subnet Masks on Octet Boundaries
          \begin{itemize}
              \item Subnetting Network 10.0.0.0/8 using a /16
              \item Subnetting Network 10.0.0.0/8 using a /24 Prefix
          \end{itemize}
    \item Subnet within an Octet Boundary
          \begin{itemize}
              \item Subnet a /24 Network: /25 - /30
          \end{itemize}
\end{itemize}


\section*{11.6 Subnet a /16 and a /8 Prefix}
\begin{itemize}
    \item Subnet a /16 Network
    \item Create 100 Subnets with a Slash 16 prefix
    \item Create 1000 Subnets with a Slash 8 prefix
    \item 11.6.5 Activity - Calculate the Subnet Mask
\end{itemize}



\section*{11.7 Subnet To Meet Requirements}
\begin{itemize}
    \item Subnetting Network 10.0.0.0/8 using a /16
    \item Subnetting Network 10.0.0.0/8 using a /24
    \item Subnetting a /24 Network
    \item 11.7.4 Activity - Determine the Number of Bits to Borrow
\end{itemize}


\section*{11.8 Variable Length Subnet Masking}
\begin{itemize}
    \item IPv4 Address Conservation
    \item 11.8.6 Activity - VLSM Practice
\end{itemize}


\section*{11.9 Structured Design}
\begin{itemize}
    \item Device Address Assignment
          \begin{itemize}
              \item End user clients: DHCP, DHCPv6, SLAAC
              \item Servers and peripherals: static
              \item Servers that are accessible from the internet: public, NAT
              \item Intermediary devices: static
              \item Gateway: lowest or highest
          \end{itemize}
\end{itemize}

\end{document}
