-bug#0001346: Strip out noisy 'No Such Instance currently exists at this OID'

git-svn-id: svn+ssh://repo.cacti.net/var/data/svnroot/cacti/cacti/branches/0.8.7@4946 860744bd-22fc-0310-8c96-e9fe5004b5ca

docs/CHANGELOG

@@ -4,6 +4,7 @@ Cacti CHANGELOG
 -bug#0001405: Spaces in DS when .rrd file is created, so it fails
 -bug#0001407: Place graph thumbnail into div to lower page length changes on load graphs
 -bug#0001411: Graph Search Trouble with Cacti 8.7d 
+-bug#0001346: Strip out noisy 'No Such Instance currently exists at this OID' 
 -bug: Top Graph Header Breaks When Plugins Used
 
 0.8.7d

lib/snmp.php

@@ -344,6 +344,10 @@ function cacti_snmp_walk($hostname, $community, $oid, $version, $username, $pass
 function format_snmp_string($string, $snmp_oid_included) {
 	$string = eregi_replace(REGEXP_SNMP_TRIM, "", trim($string));
 
+	if (substr($string, 0, 7) == "No Such") {
+		return "";
+	}
+
 	if ($snmp_oid_included) {
 		/* strip off all leading junk (the oid and stuff) */
 		$string_array = explode("=", $string);