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Works great with debian 7.7. I needed IPv6 support so created a patch to add support for it using the -6 or --use-ipv6 parameters, attached below. If it is up to standards, please include it in future versions as more and more systems are using IPv6 (only).

--- check_uptime.pl 2015-01-17 18:30:29.885907443 +0100
+++ check_uptime_w_ipv6.pl 2015-01-17 18:19:23.209912963 +0100
@@ -213,6 +213,7 @@
my $o_warn= undef; # WARNING alert if system has been up for \$o_host,
'p:i' => \$o_port, 'port:i' => \$o_port,
'C:s' => \$o_community, 'community:s' => \$o_community,
- '2' => \$o_version2, 'v2c' => \$o_version2,
+ '2' => \$o_version2, 'v2c' => \$o_version2,
'l:s' => \$o_login, 'login:s' => \$o_login,
'x:s' => \$o_passwd, 'passwd:s' => \$o_passwd,
'X:s' => \$o_privpass, 'privpass:s' => \$o_privpass,
@@ -376,6 +379,7 @@
'label:s' => \$o_label,
'P:s' => \$o_prevperf, 'prev_perfdata:s' => \$o_prevperf,
'T:s' => \$o_type, 'type:s' => \$o_type,
+ '6' => \$o_domain, 'use-ipv6' => \$o_domain,
);
if (defined ($o_help) ) { help(); exit $ERRORS{"UNKNOWN"}};
if (defined($o_version)) { p_version(); exit $ERRORS{"UNKNOWN"}};
@@ -445,11 +449,19 @@
sub create_snmp_session {
my ($session,$error);

+ # Check IPv6
+ if (defined ($o_domain)) {
+ $o_domain="udp/ipv6";
+ } else {
+ $o_domain="udp/ipv4";
+ }
+
if ( defined($o_login) && defined($o_passwd)) {
# SNMPv3 login
if (!defined ($o_privpass)) {
verb("SNMPv3 AuthNoPriv login : $o_login, $o_authproto");
($session, $error) = Net::SNMP->session(
+ -domain => $o_domain,
-hostname => $o_host,
-version => '3',
-port => $o_port,
@@ -461,6 +473,7 @@
} else {
verb("SNMPv3 AuthPriv login : $o_login, $o_authproto, $o_privproto");
($session, $error) = Net::SNMP->session(
+ -domain => $o_domain,
-hostname => $o_host,
-version => '3',
-username => $o_login,
@@ -477,6 +490,7 @@
# SNMPv2c Login
verb("SNMP v2c login");
($session, $error) = Net::SNMP->session(
+ -domain => $o_domain,
-hostname => $o_host,
-version => 2,
-community => $o_community,
@@ -487,6 +501,7 @@
# SNMPV1 login
verb("SNMP v1 login");
($session, $error) = Net::SNMP->session(
+ -domain => $o_domain,
-hostname => $o_host,
-community => $o_community,
-port => $o_port,

The plugin did not process the status for me correctly as it was always selecting the SCSI/MEGARAID line_str to match on due to a comparison error. Line 110 is as follows in the download:

if ($interface eq 'megaraid'.",".$number or 'scsi'){

Replace this line by the following 2 lines below:

if (!defined($number)) { $number = 0; }
if ($interface eq 'megaraid'.",".$number or $interface eq 'scsi'){

Aside from this the plugin works brilliant!