![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
diff --git a/contrib/check_maxchannels.pl b/contrib/check_maxchannels.pl
--- /dev/null
@@ -0,0 +1,231 @@
+#!/usr/bin/perl -w
+#
+# check_maxchannels.pl - nagios plugin
+#
+#
+# Copyright (C) 2000 Christoph Kron
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+#
+# Report bugs to: ck@zet.net
+#
+# 11.01.2000 Version 1.0
+
+use strict;
+
+use Net::SNMP;
+use Getopt::Long;
+&Getopt::Long::config('auto_abbrev');
+
+
+my $status;
+my $TIMEOUT = 15;
+
+my %ERRORS = ('UNKNOWN' , '-1',
+ 'OK' , '0',
+ 'WARNING', '1',
+ 'CRITICAL', '2');
+
+
+my $state = "UNKNOWN";
+my $answer = "";
+my $snmpkey;
+my $snmpoid;
+my $key;
+my $community = "public";
+my $port = 161;
+my @snmpoids;
+# free channels
+my $snmpWanAvailableChannels = '1.3.6.1.4.1.529.4.23.0';
+# maximum channels
+my $snmpWanSwitchedChannels = '1.3.6.1.4.1.529.4.24.0';
+my $snmpWanDisabledChannels = '1.3.6.1.4.1.529.4.25.0';
+my $snmpWanActiveChannels = '1.3.6.1.4.1.529.4.26.0';
+my $snmpWanNailedChannels = '1.3.6.1.4.1.529.4.27.0';
+my $snmpWanOutOfServiceChannels = '1.3.6.1.4.1.529.4.28.0';
+my $snmpEventCurrentActiveSessions = '1.3.6.1.4.1.529.10.6.0';
+# since startup
+my $snmpEventTotalNoModems = '1.3.6.1.4.1.529.10.15.0';
+# lan modem
+my $snmpDeadLanModem = '1.3.6.1.4.1.529.15.7.0';
+my $snmpDisabledLanModem = '1.3.6.1.4.1.529.15.5.0';
+my $snmpSuspectLanModem = '1.3.6.1.4.1.529.15.3.0';
+my $snmpAvailLanModem = '1.3.6.1.4.1.529.15.1.0';
+my $snmpBusyLanModem = '1.3.6.1.4.1.529.15.9.0';
+# max modems
+my $snmpMdmNumber = '1.3.6.1.2.1.38.1.1.0';
+my $hostname;
+my $session;
+my $error;
+my $response;
+my %wanStatus;
+
+
+my $WanAvailableChannels;
+my $WanSwitchedChannels;
+my $WanDisabledChannels;
+my $WanActiveChannels;
+my $WanNailedChannels;
+my $WanOutOfServiceChannels;
+my $EventCurrentActiveSessions;
+my $EventTotalNoModems;
+my $DeadLanModem;
+my $DisabledLanModem;
+my $SuspectLanModem;
+my $AvailLanModem;
+my $BusyLanModem;
+my $MdmNumber;
+
+
+sub usage {
+ printf "\nMissing arguments!\n";
+ printf "\n";
+ printf "Perl Check maxchannels plugin for Nagios\n";
+ printf "monitors ISDN lines and modems on Ascend MAX 2000/4000/6000/TNT\n";
+ printf "usage: \n";
+ printf "check_maxchannel.pl -c <READCOMMUNITY> -p <PORT> <HOSTNAME>\n";
+ printf "Copyright (C) 2000 Christoph Kron\n";
+ printf "check_maxchannels.pl comes with ABSOLUTELY NO WARRANTY\n";
+ printf "This programm is licensed under the terms of the ";
+ printf "GNU General Public License\n(check source code for details)\n";
+ printf "\n\n";
+ exit $ERRORS{"UNKNOWN"};
+}
+
+# Just in case of problems, let's not hang Nagios
+$SIG{'ALRM'} = sub {
+ print ("ERROR: No snmp response from $hostname (alarm)\n");
+ exit $ERRORS{"UNKNOWN"};
+};
+alarm($TIMEOUT);
+
+
+$status = GetOptions("community=s",\$community,
+ "port=i",\$port);
+if ($status == 0)
+{
+ &usage;
+}
+
+ #shift;
+ $hostname = shift || &usage;
+
+
+
+push(@snmpoids,$snmpWanAvailableChannels);
+push(@snmpoids,$snmpWanSwitchedChannels);
+push(@snmpoids,$snmpWanDisabledChannels);
+push(@snmpoids,$snmpWanActiveChannels);
+push(@snmpoids,$snmpWanNailedChannels);
+push(@snmpoids,$snmpWanOutOfServiceChannels);
+
+push(@snmpoids,$snmpEventCurrentActiveSessions);
+
+push(@snmpoids,$snmpEventTotalNoModems);
+push(@snmpoids,$snmpDeadLanModem);
+push(@snmpoids,$snmpDisabledLanModem);
+push(@snmpoids,$snmpSuspectLanModem);
+push(@snmpoids,$snmpAvailLanModem);
+push(@snmpoids,$snmpBusyLanModem);
+push(@snmpoids,$snmpMdmNumber);
+
+ ($session, $error) = Net::SNMP->session(
+ -hostname => $hostname,
+ -community => $community,
+ -port => $port
+ );
+
+ if (!defined($session)) {
+ $state='UNKNOWN';
+ $answer=$error;
+ print ("$state: $answer");
+ exit $ERRORS{$state};
+ }
+
+ if (!defined($response = $session->get_request(@snmpoids))) {
+ $answer=$session->error;
+ $session->close;
+ $state = 'CRITICAL';
+ print ("$state: $answer,$community");
+ exit $ERRORS{$state};
+ }
+
+
+$WanAvailableChannels = $response->{$snmpWanAvailableChannels};
+$WanSwitchedChannels = $response->{$snmpWanSwitchedChannels};
+$WanDisabledChannels = $response->{$snmpWanDisabledChannels};
+$WanActiveChannels = $response->{$snmpWanActiveChannels};
+$WanNailedChannels = $response->{$snmpWanNailedChannels};
+$WanOutOfServiceChannels = $response->{$snmpWanOutOfServiceChannels};
+$EventCurrentActiveSessions = $response->{$snmpEventCurrentActiveSessions};
+$EventTotalNoModems = $response->{$snmpEventTotalNoModems};
+$DeadLanModem = $response->{$snmpDeadLanModem};
+$DisabledLanModem = $response->{$snmpDisabledLanModem};
+$SuspectLanModem = $response->{$snmpSuspectLanModem};
+$AvailLanModem = $response->{$snmpAvailLanModem};
+$BusyLanModem = $response->{$snmpBusyLanModem};
+$MdmNumber = $response->{$snmpMdmNumber};
+
+# less than 50% -> WARNING
+if ( 0 < $WanOutOfServiceChannels
+ && $WanOutOfServiceChannels < ($snmpWanSwitchedChannels * 0.5) ) {
+ $state = 'WARNING';
+}
+elsif ($WanOutOfServiceChannels > 0) {
+ $state = 'CRITICAL';
+}
+elsif ($DeadLanModem > 0) {
+ $state = 'CRITICAL';
+}
+elsif ($SuspectLanModem > 0) {
+ $state = 'WARNING';
+}
+elsif ($AvailLanModem == 0) {
+ $state = 'WARNING';
+}
+else {
+ $state = 'OK';
+}
+
+
+$answer = sprintf("active sessions: %d (%d), active modems: %d (%d)<BR>",
+ $EventCurrentActiveSessions,
+ $WanSwitchedChannels,
+ $BusyLanModem,
+ $MdmNumber);
+
+$answer .= sprintf("channels available: %d, disabled: %d",
+ $WanAvailableChannels,
+ $WanDisabledChannels);
+
+$answer .= sprintf(", out of service: %d, nailed: %d<BR>",
+ $WanOutOfServiceChannels,
+ $WanNailedChannels);
+
+$answer .= sprintf("modems avail.: %d, disabled: %d, suspect: %d, dead: %d<BR>",
+ $AvailLanModem,
+ $DisabledLanModem,
+ $SuspectLanModem,
+ $DeadLanModem);
+
+$answer .= sprintf("unserviced modem calls: %d (since startup)\n",
+ $EventTotalNoModems);
+
+$session->close;
+
+print ("$state: $answer");
+exit $ERRORS{$state};
+