diff --git a/acronyms.tex b/acronyms.tex
index e94cfde..e187ab1 100644
--- a/acronyms.tex
+++ b/acronyms.tex
@@ -3,6 +3,7 @@
 \newacronym{arp}{ARP}{Address Resolution Protocol}
 \newacronym{bgp}{BGP}{Border Gateway Protocol}
 \newacronym{bpdu}{BPDU}{Bridge Protocol Data Unit}
+\newacronym{carp}{CARP}{Common Address Redundancy Protocol}
 \newacronym{cdp}{CDP}{Cisco Discovery Protocol}
 \newacronym{cli}{CLI}{Command Line Interface}
 \newacronym{cst}{CST}{Common Spanning Tree}
@@ -35,6 +36,8 @@
 \newacronym{imap}{IMAP}{Internet Message Access Protocol}
 \newacronym{ios}{IOS}{Internetwork Operating System}
 \newacronym{ip}{IP}{Internet Protocol}
+\newacronym{ip4}{IPv4}{Internet Protocol v4}
+\newacronym{ip6}{IPv6}{Internet Protocol v6}
 \newacronym{ipv4}{IPv4}{Internet Protocol v4}
 \newacronym{ipv6}{IPv6}{Internet Protocol v6}
 \newacronym{irc}{IRC}{Internet Relay Chat}
@@ -59,8 +62,9 @@
 \newacronym{ntp}{NTP}{Network Time Protocol}
 \newacronym{osi}{OSI}{Open Systems Interconnection}
 \newacronym{ospf}{OSPF}{Open Shortest Path First}
+\newacronym{ospf3}{OSPFv3}{Open Shortest Path First v3}
 \newacronym{ospfv3}{OSPFv3}{Open Shortest Path First v3}
-\newacronym{pagp}{PAGP}{Port Aggregation Protocol}
+\newacronym{pagp}{PAgP}{Port Aggregation Protocol}
 \newacronym{poe}{PoE}{Power over Ethernet}
 \newacronym{pop3}{POP3}{Post Office Protocol}
 \newacronym{pvrst}{PVRST}{Per Vlan Rapid Spanning Tree}