v1 used Net::SNMP module, and hard coded snmp v2c. This v2 version uses Munin::Plugin::SNMP which transparently supports all snmp versions.

plugins/other/snmp__cpu_usage

@@ -125,12 +125,14 @@ my %cpuCounters = (
 	cpuIdle		=> "1.3.6.1.4.1.2021.11.11.$cpu",	# The percentage of processor time spent idle, calculated over the last minute
 );
 
-my ($session, $error) = Net::SNMP->session(
-		-hostname  => $host,
-		-community => $community,
-		-port      => $port,
-		-version   => "2c"
-	);
+my $session = Munin::Plugin::SNMP->session(-translate =>
+					   [ -timeticks => 0x0 ]);
+
+if (!defined ($session))
+{
+	die "Croaking: could not establish SNMP object";
+}
+
 
 if (!defined ($session))
 {