Bit of HSRP

chapter/mgmt.tex

@@ -500,4 +500,49 @@ Go all the way and do consider if Supervisor Redundancy is a necessary requireme
 
 \subsection[VRRP]{Virtual Router Redundancy Protocol}
 \subsection[HSRP]{Hot-Standby Routing Protocol}
-\subsection[GLBP]{Gateway Load Balancing Protocol}
+
+\begin{itemize}
+    \item \itemhead[]{Defaults}
+    \begin{itemize}
+        \item Priority 100\footnote{Higher is better. Range is 0x00--0xFF}
+        \item Hello time 3s
+        \item Dead time 10s
+        \item Multicast grp 224.0.0.2 port udp 1985 \textit{(all routers)} {\scriptsize \textbf{v1}}
+        \item Multicast grp 224.0.0.102 port udp 1985 {\scriptsize \textbf{v2}}
+        \item \gls{hsrp} group mac 00-00-0c-07-ac-xx\footnote{The last 2 octets is the group ID in hex. E.g. 11 is 0x0b, 30 is 0x1e.}
+    \end{itemize}
+    \item \itemhead[]{States}
+    \begin{enumerate}
+        \item \textbf{Initial} \gls{hsrp} is not running yet
+        \item \textbf{Listen}
+        \begin{itemize}
+            \item Learned the Virtual \gls{ip},
+            \item neither active or standby yet,
+            \item listens for hellos.
+        \end{itemize}
+        \item \textbf{Speak}
+        \begin{itemize}
+            \item Sends hello msg\tsq{s},
+            \item participates in active/standby election,
+            \item requires Virtual \gls{ip} to enter speak state.
+        \end{itemize}
+        \item \textbf{Standby}
+        \begin{itemize}
+            \item Candidate for active router role,
+            \item still sending hello from time-to-time.
+        \end{itemize}
+        \item \textbf{Active}
+        \begin{itemize}
+            \item The forwarding router for the grp Virtual \gls{mac},
+            \item still sending hellos.
+        \end{itemize}
+    \end{enumerate}
+\end{itemize}
+
+Remember use of \textbf{pre-emption} when configuring the \gls{hsrp} routers with all \textit{but} the lowest priority.
+
+\subsubsection[Blncd]{Load Sharing}
+
+When configuring 
+
+\subsection[GLBP]{Gateway Load Balancing Protocol}