313 lines
7.7 KiB
Perl
313 lines
7.7 KiB
Perl
# SNMP::Info::Layer3::Scalance - SNMP Interface to Siemens Scalance
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#
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# Copyright (c) 2019 Christoph Handel GSI Helmholtzzentrum fuer
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# Schwerionenforschung
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#
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# Copyright (c) 2008-2009 Max Baker changes from version 0.8 and beyond.
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#
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# Copyright (c) 2002,2003 Regents of the University of California
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#
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the University of California, Santa Cruz ,
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# the GSI Helmholtzzentrum fuer Schwerionenforschung, nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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package SNMP::Info::Layer3::Scalance;
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use strict;
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use warnings;
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use Exporter;
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use Socket;
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use SNMP::Info::Layer3;
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use SNMP::Info::MAU;
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@SNMP::Info::Layer3::Scalance::ISA = qw/
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SNMP::Info::Layer3
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SNMP::Info::MAU
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Exporter
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/;
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@SNMP::Info::Layer3::Scalance::EXPORT_OK = qw//;
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our ($VERSION, %GLOBALS, %MIBS, %FUNCS, %PORTSTAT, %MODEL_MAP, %MUNGE);
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$VERSION = '3.71';
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%MIBS = (
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%SNMP::Info::Layer3::MIBS,
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%SNMP::Info::MAU::MIBS,
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'SN-MSPS-SCX-MIB' => 'snMsps',
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'AUTOMATION-SYSTEM-MIB' => 'automationManufacturerId',
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);
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%GLOBALS = (
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%SNMP::Info::Layer3::GLOBALS,
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%SNMP::Info::MAU::GLOBALS,
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'serial1' => 'automationSerialNumber.0',
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'ps1_status' => 'snMspsPowerSupply1State.0',
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'ps2_status' => 'snMspsPowerSupply2State.0',
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'os_ver' => 'automationSwRevision.0',
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);
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%FUNCS = (
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%SNMP::Info::Layer3::FUNCS,
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%SNMP::Info::MAU::FUNCS,
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);
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%MUNGE = (
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# Inherit all the built in munging
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%SNMP::Info::Layer3::MUNGE,
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%SNMP::Info::MAU::MUNGE,
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);
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sub layers {
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# at least x500 reports value 72, which is layer 4+7
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# but it sure is a bridge and can do 2 and 3
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return '00000111';
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}
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sub os {
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return 'scalance';
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}
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sub vendor {
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return 'siemens';
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}
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sub model {
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my $scalance = shift;
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# object id is only the general class (x500, x400, etc)
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# extract something meaningful from the description
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# my $id = $scalance->id();
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my $description = $scalance->description();
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# Siemens, SIMATIC NET, SCALANCE XR524-8C 2PS, 6GK5 524-8GS00-4AR2, HW: Version 1,...
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$description =~ s/.*?(SCALANCE .*?),.*/$1/;
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return $description;
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}
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sub mac {
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# use dot1dBaseBridgeAddress
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my $scalance = shift;
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return $scalance->b_mac();
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}
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sub os_ver {
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# clean up os_ver string
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my $scalance = shift;
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my $result = $scalance->SUPER::os_ver();
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$result =~ s/^V//;
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return $result;
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}
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sub i_description {
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# munge interface descriptions, from
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#
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# Siemens, SIMATIC NET, SCALANCE XR524-8C 2PS, 6GK5 524-8GS00-4AR2,
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# HW: Version 1, FW: Version V06.02.02, SERIAL, Ethernet Port, R0/S0/X1 P16
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#
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# to
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#
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# R0/S0/X1 P16
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my $scalance = shift;
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my $orig = $scalance->SUPER::i_description();
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my %result;
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foreach my $iid ( keys %$orig ) {
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my $descr = $orig->{$iid};
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my $short;
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($short) = $descr =~ /.*(?:Port, |VLAN, )(.*)$/;
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if ( ! $short ) {
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# splitting at VLAN/PORT failed, just the part after the last comma
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($short) = $descr =~ /.*, (.*)$/;
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}
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$result{$iid} = $short;
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}
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return \%result;
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}
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sub lldp_ip {
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my $scalance = shift;
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my %result;
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my $remotes = $scalance->lldp_rem_sysname();
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foreach my $port ( keys %$remotes) {
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my $ip = gethostbyname($remotes->{$port});
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if ($ip) {
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$result{$port} = inet_ntoa($ip);
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}
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}
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return \%result
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};
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1;
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__END__
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=head1 NAME
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SNMP::Info::Layer3::Scalance - SNMP Interface to Siemens Scalance Switches
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=head1 AUTHOR
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Christoph Handel
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=head1 SYNOPSIS
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# Let SNMP::Info determine the correct subclass for you.
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my $scalance = new SNMP::Info(
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AutoSpecify => 1,
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Debug => 1,
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DestHost => 'myswitch',
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Community => 'public',
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Version => 2
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)
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or die "Can't connect to DestHost.\n";
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my $class = $scalance->class();
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print "SNMP::Info determined this device to fall under subclass : $class\n";
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=head1 DESCRIPTION
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Provides abstraction to the configuration information obtainable from a
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Siemens Scalance Switch via SNMP.
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Tested only with scalance xr524
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=head2 Inherited Classes
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=over
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=item SNMP::Info::Layer3
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=item SNMP::Info::MAU
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=back
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=head2 Required MIBs
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=over
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=item F<AUTOMATION-SMI>
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=item F<AUTOMATION-SYSTEM-MIB>
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=item F<AUTOMATION-TC>
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=item F<SIEMENS-SMI>
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=item F<SN-MSPS-SCX-MIB>
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=back
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L<https://support.industry.siemens.com/cs/document/22015045/private-mibs%3A-scalance-x-scalance-w-and-snmp-opc-profile?dti=0&lc=en-DE>
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L<https://support.industry.siemens.com/cs/document/67637278/automationmib-now-available-for-download-in-version-v02-00-00-02-?dti=0&lc=en-TN>
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=head1 Change Log
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=head1 GLOBALS
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These are methods that return scalar value from SNMP
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=over
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=item $scalance->layers()
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Overwrite snmp value, we support 1-3
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=item $scalance->os()
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Returns scalance
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=item $scalance->vendor()
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Returns siemens
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=item $scalance->model()
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extract a meaningful name from description
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=item $scalance->mac()
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use the dot1dBaseBridgeAddress
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=item $scalance->os_ver()
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clean up os_version string
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=item $scalance->i_description()
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siemens returns a description including firmware, switch serial, etc
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clean it up. Try to use anything past VLAN or Port. And if this fails
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past the last comma
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=item $scalance->lldp_ip()
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simatic does not implement lldpRemManAddrIfSubtype
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but remote system names are available
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try to resolve them via DNS and use that
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=back
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=head2 Globals imported from SNMP::Info::Layer3
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See documentation in L<SNMP::Info::Layer3/"GLOBALS"> for details.
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=head2 Globals imported from SNMP::Info::MAU
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See documentation in L<SNMP::Info::MAU/"GLOBALS"> for details.
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=head1 TABLE METHODS
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These are methods that return tables of information in the form of a reference
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to a hash.
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=head2 Overrides
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=over 4
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=item $scalance->lldp_ip()
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Returns reference to hash of ports to remote ips.
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simatic does not implement lldpRemManAddrIfSubtype
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but remote system names are available
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try to resolve them via DNS and use that.
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=back
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=head2 Table Methods imported from SNMP::Info::Layer3
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See documentation in L<SNMP::Info::Layer3/"TABLE METHODS"> for details.
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=head2 Table Methods imported from SNMP::Info::MAU
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See documentation in L<SNMP::Info::MAU/"TABLE METHODS"> for details.
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=cut
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# vim: filetype=perl ts=4 sw=4 sta et sts=4 ai
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