64167df588
#220 Alcatel-Lucent / Nokia SR 7750 missing neighbors Improve Layer3::Timetra model detection Layer3::Timetra test class
329 lines
7.8 KiB
Perl
329 lines
7.8 KiB
Perl
# SNMP::Info::Layer3::Timetra
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# $Id$
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#
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# Copyright (c) 2008 Bill Fenner
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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 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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package SNMP::Info::Layer3::Timetra;
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use strict;
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use Exporter;
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use SNMP::Info::Layer3;
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@SNMP::Info::Layer3::Timetra::ISA = qw/SNMP::Info::Layer3
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Exporter/;
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@SNMP::Info::Layer3::Timetra::EXPORT_OK = qw//;
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use vars qw/$VERSION %GLOBALS %MIBS %FUNCS %MUNGE/;
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$VERSION = '3.53';
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%MIBS = (
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%SNMP::Info::Layer3::MIBS,
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'TIMETRA-GLOBAL-MIB' => 'timetraReg',
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'TIMETRA-LLDP-MIB' => 'tmnxLldpAdminStatus',
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);
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%GLOBALS = (%SNMP::Info::Layer3::GLOBALS,);
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%FUNCS = (
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%SNMP::Info::Layer3::FUNCS,
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# For some reason LLDP-MIB::lldpLocManAddrTable is populated
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# but LLDP-MIB::lldpRemTable is not and we need to use the
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# proprietary TIMETRA-LLDP-MIB Note: these tables are
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# indexed differently than LLDP-MIB
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# TIMETRA-LLDP-MIB::tmnxLldpRemTable
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'lldp_rem_id_type' => 'tmnxLldpRemChassisIdSubtype',
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'lldp_rem_id' => 'tmnxLldpRemChassisId',
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'lldp_rem_pid_type' => 'tmnxLldpRemPortIdSubtype',
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'lldp_rem_pid' => 'tmnxLldpRemPortId',
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'lldp_rem_desc' => 'tmnxLldpRemPortDesc',
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'lldp_rem_sysname' => 'tmnxLldpRemSysName',
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'lldp_rem_sysdesc' => 'tmnxLldpRemSysDesc',
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'lldp_rem_sys_cap' => 'tmnxLldpRemSysCapEnabled',
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'lldp_rem_cap_spt' => 'tmnxLldpRemSysCapSupported',
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# TIMETRA-LLDP-MIB::tmnxLldpRemManAddrTable
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'lldp_rman_addr' => 'tmnxLldpRemManAddrIfSubtype',
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);
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%MUNGE = (%SNMP::Info::Layer3::MUNGE,);
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sub model {
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my $timetra = shift;
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my $id = $timetra->id();
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my $model = SNMP::translateObj($id);
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my $descr = $timetra->description();
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if (defined $model && $model =~ /^tmnxModel/) {
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$model =~ s/^tmnxModel//;
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$model =~ s/Reg$//;
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return $model;
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}
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if ($descr =~ /\s+(7\d{3})/) {
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return $1;
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}
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return $model || $id;
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}
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sub os {
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return 'TiMOS';
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}
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sub vendor {
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return 'nokia';
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}
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sub os_ver {
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my $timetra = shift;
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my $descr = $timetra->description();
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if ($descr =~ m/^TiMOS-(\S+)/) {
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return $1;
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}
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return;
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}
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# The interface description contains the SFP type, so
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# to avoid losing historical information through a configuration change
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# we use interface name instead.
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sub interfaces {
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my $alu = shift;
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my $partial = shift;
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return $alu->orig_i_name($partial);
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}
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# The TIMETRA-LLDP-MIB::tmnxLldpRemTable unambiguously states it uses ifIndex
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# Trying to cross reference to ifDescr or ifAlias would cause unpredictable
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# results based upon how the device names ports.
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sub lldp_if {
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my $alu = shift;
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my $partial = shift;
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my $addr = $alu->lldp_rem_pid($partial) || {};
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my %lldp_if;
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foreach my $key (keys %$addr) {
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my @aOID = split('\.', $key);
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my $port = $aOID[1];
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next unless $port;
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$lldp_if{$key} = $port;
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}
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return \%lldp_if;
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}
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# The proprietary TIMETRA-LLDP-MIB tables are indexed differently than LLDP-MIB
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# We overwrite the private function so that the we don't have to replicate
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# the code in SNMP::Info::LLDP that uses it.
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#
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# We can't use inheritance to override since it is a function, not a method
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# in SNMP::Info::LLDP. This brute force redefines the code in the symbol table.
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*SNMP::Info::LLDP::_lldp_addr_index = sub {
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my $idx = shift;
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my @oids = split(/\./, $idx);
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# Index has extra field compared to LLDP-MIB
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my $index = join('.', splice(@oids, 0, 4));
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my $proto = shift(@oids);
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shift(@oids) if scalar @oids > 4; # $length
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# IPv4
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if ($proto == 1) {
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return ($index, $proto, join('.', @oids));
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}
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# IPv6
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elsif ($proto == 2) {
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return ($index, $proto, join(':', unpack('(H4)*', pack('C*', @oids))));
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}
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# MAC
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elsif ($proto == 6) {
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return ($index, $proto, join(':', map { sprintf "%02x", $_ } @oids));
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}
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# TODO - Other protocols may be used as well; implement when needed?
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else {
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return;
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}
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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::Timetra - SNMP Interface to Alcatel-Lucent SR
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=head1 AUTHOR
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Bill Fenner
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=head1 SYNOPSIS
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# Let SNMP::Info determine the correct subclass for you.
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my $alu = new SNMP::Info(
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AutoSpecify => 1,
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Debug => 1,
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# These arguments are passed directly to SNMP::Session
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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 = $alu->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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Subclass for Alcatel-Lucent Service Routers
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=head2 Inherited Classes
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=over
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=item SNMP::Info::Layer3
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=back
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=head2 Required MIBs
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=over
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=item F<TIMETRA-GLOBAL-MIB>
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=item F<TIMETRA-LLDP-MIB>
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=item Inherited Classes' MIBs
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See L<SNMP::Info::Layer3/"Required MIBs"> for its own MIB requirements.
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=back
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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 $alu->vendor()
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Returns 'alcatel-lucent'
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=item $alu->os()
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Returns 'TiMOS'
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=item $alu->os_ver()
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Grabs the version string from C<sysDescr>.
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=item $alu->model()
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Tries to reference $alu->id() to one of the product MIBs listed above
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Removes 'tmnxModel' from the name for readability.
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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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=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
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=item $alu->interfaces()
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Returns C<ifName>, since the default Layer3 C<ifDescr> varies based
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upon the transceiver inserted.
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=item $alu->lldp_if()
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Returns the mapping to the SNMP Interface Table. Utilizes (C<ifIndex>)
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from the (C<tmnxLldpRemEntry >) index.
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=back
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=head2 LLDP Remote Table (C<lldpRemTable>) uses (C<TIMETRA-LLDP-MIB::tmnxLldpRemTable>)
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=over
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=item $lldp->lldp_rem_id_type()
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(C<tmnxLldpRemChassisIdSubtype>)
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=item $lldp->lldp_rem_id()
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(C<tmnxLldpRemChassisId>)
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=item $lldp->lldp_rem_pid_type()
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(C<tmnxLldpRemPortIdSubtype>)
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=item $lldp->lldp_rem_pid()
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(C<tmnxLldpRemPortId>)
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=item $lldp->lldp_rem_desc()
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(C<tmnxLldpRemPortDesc>)
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=item $lldp->lldp_rem_sysname()
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(C<tmnxLldpRemSysName>)
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=item $lldp->lldp_rem_sysdesc()
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(C<tmnxLldpRemSysDesc>)
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=item $lldp->lldp_rem_sys_cap()
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(C<tmnxLldpRemSysCapEnabled>)
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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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=cut
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