diff --git a/check_netsnmp_memory.pl b/check_netsnmp_memory.pl
index fb8ee70..2160653 100755
--- a/check_netsnmp_memory.pl
+++ b/check_netsnmp_memory.pl
@@ -74,6 +74,10 @@
         '%user_real=user,total_real,%',			# Percent user processes take in relation to total real memory (can be >100%)
 	'%cached_real=cached,total_real,%',		# Percent of user disk cache in relation to total real memory
 	'%buffer_real=buffer,total_real,%',		# Percent of buffer memory in relation to total real
+        "avail_nocache=avail_real,cached,+,buffer,+,round(1),' MB',+", 		# Free memory discounting cache and buffer
+        '%avail_nocache=avail_nocache,total_real,%', 				# Percent of available memory discounting cache and buffer
+        "used_nocache=total_real,avail_nocache,-,round(1),' MB',+", 		# Memory in use discounting cache and buffer
+	'%used_nocache=used_nocache,total_real,%',				# Percent of memory in use discounting cache and buffer
    );
 
 use lib "/usr/lib/nagios/plugins";