diff --git a/chapter/mgmt.tex b/chapter/mgmt.tex
index 8269810..03da942 100644
--- a/chapter/mgmt.tex
+++ b/chapter/mgmt.tex
@@ -126,7 +126,7 @@ interface range fa0/1-24
 \subsection[UDLD]{Unidirectional Link Detection}
 
 \gls{udld} at work does the detection of the link is forwarding traffic in both directions. This is important when operating with Fiberoptic links\footnote{Normal Ethernet links is not as susceptible running traffic in only one direction}. Fiberoptic links has the potential for
-\begun{enumerate}
+\begin{enumerate}
     \item bent and damages cables,
     \item damaged connectors,
     \item damaged ports,
@@ -135,6 +135,17 @@ interface range fa0/1-24
 
 \fig{udld/malfunction}{udldmalfunction}{UDLD not working ?}
 
+Other things can go wrong, too. Such as
+\begin{itemize}
+    \item hardware failures,
+    \item software defects,
+    \item abnormal interface converter \textit{behaviour},
+    \item abnormal interface converter \textit{failure},
+    \item cabling done wrong,
+    \item inline sniffer/tap \textit{gone wrong},
+    \item inline sniffer/tap \textit{misconfigured}
+\end{itemize}
+
 \chapter[Mgmt]{Management}
 
 \section[Network Mgmt]{Network Management}