diff --git a/acronyms.tex b/acronyms.tex
index ba28381..792f536 100644
--- a/acronyms.tex
+++ b/acronyms.tex
@@ -24,6 +24,7 @@
 \newacronym{eap}{EAP}{Extensible Authentication Protocol}
 \newacronym{eapol}{EAPOL}{Extensible Authentication Protocol over Local Area Network}
 \newacronym{eigrp}{EIGRP}{Enhanced Interior Gateway Routing Protocol}
+\newacronym{erspan}{ERSPAN}{Encapsulated Remote Switch Port Analyzer}
 \newacronym{evpn}{EVPN}{Ethernet Virtual Private Network}
 \newacronym{ftp}{FTP}{File Transfer Protocol}
 \newacronym{ftps}{FTPS}{File Transfer Protocol Secure}
@@ -60,6 +61,7 @@
 \newacronym{pvst+}{PVST+}{Per Vlan Spanning Tree Plus}
 \newacronym{rfc}{RFC}{Request For Comments}
 \newacronym{rip}{RIP}{Routing Information Protocol}
+\newacronym{rspan}{RSPAN}{Remote Switch Port Analyzer}
 \newacronym{rstp}{RSTP}{Rapid Spanning Tree Protocol}
 \newacronym{rpvst}{RPVST}{Rapid Per Vlan Spanning Tree}
 \newacronym{rpvst+}{RPVST+}{Rapid Per Vlan Spanning Tree Plus}
@@ -69,6 +71,7 @@
 \newacronym{snmp}{SNMP}{Simple Network Management Protocol}
 \newacronym{sntp}{SNTP}{Secure Network Time Protocol}
 \newacronym{sp}{SP}{Service Provider}
+\newacronym{span}{SPAN}{Switch Port Analyzer}
 \newacronym{src}{SRC}{Source}
 \newacronym{ssh}{SSH}{Secure Shell}
 \newacronym{stp}{STP}{Spanning Tree Protocol}
diff --git a/chapter/mgmt.tex b/chapter/mgmt.tex
index c376f05..86da597 100644
--- a/chapter/mgmt.tex
+++ b/chapter/mgmt.tex
@@ -146,6 +146,12 @@ Other things can go wrong, too. Such as
     \item inline sniffer/tap \textit{misconfigured}
 \end{itemize}
 
+\section[SPAN]{Switch Port Analyzer}
+
+\subsection[RSPAN]{Remote Switch Port Analyzer}
+
+\subsection[ERSPAN]{Encapsulated Remote Switch Port Analyzer}
+
 \chapter[Mgmt]{Management}
 
 \section[Network Mgmt]{Network Management}