\section{Vlan-to-vlan routing} \myquote{}{Guidance and Understanding of the art of Layer 3 networks. Routing between different slash 24\tsq{s}.\\ \textit{Aka. Inter-vlan routing.}} There are different ways to go \tsq{bout} Inter-vlan routing and doing it. \begin{itemize} \item \textbf{Some are using:} \begin{enumerate} \item external router, \item switch virtual interfaces\footnote{\texttt{Switches interface -> Vlan interfaces}}, \item routed ports\footnote{\texttt{Routed interface -> Subinterfaces}}. \end{enumerate} \item \textbf{Ways to do it:} \begin{enumerate} \item router-on-a-stick if the network is running collapsed core or not have a distribution switch in the middle. \item (...) \end{enumerate} \end{itemize}