277 lines
6.8 KiB
Perl
277 lines
6.8 KiB
Perl
# SNMP::Info::Layer3::Arista
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# $Id$
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#
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# Copyright (c) 2008 Arista Networks, Inc.
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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 Arista Networks, Inc. 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::Arista;
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use strict;
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use Exporter;
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use SNMP::Info::Layer3;
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use SNMP::Info::MAU;
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use SNMP::Info::LLDP;
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use SNMP::Info::Aggregate 'agg_ports_ifstack';
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@SNMP::Info::Layer3::Arista::ISA = qw/
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SNMP::Info::Aggregate
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SNMP::Info::LLDP
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SNMP::Info::MAU
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SNMP::Info::Layer3 Exporter
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/;
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@SNMP::Info::Layer3::Arista::EXPORT_OK = qw//;
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use vars qw/$VERSION %GLOBALS %MIBS %FUNCS %MUNGE/;
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$VERSION = '3.40';
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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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%SNMP::Info::LLDP::MIBS,
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%SNMP::Info::Aggregate::MIBS,
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'ARISTA-PRODUCTS-MIB' => 'aristaProducts',
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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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%SNMP::Info::LLDP::GLOBALS,
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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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%SNMP::Info::LLDP::FUNCS,
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);
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%MUNGE = (
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%SNMP::Info::Layer3::MUNGE,
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%SNMP::Info::MAU::MUNGE,
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%SNMP::Info::LLDP::MUNGE,
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);
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# use MAU-MIB for admin. duplex and admin. speed
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*SNMP::Info::Layer3::Arista::i_duplex_admin
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= \&SNMP::Info::MAU::mau_i_duplex_admin;
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*SNMP::Info::Layer3::Arista::i_speed_admin
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= \&SNMP::Info::MAU::mau_i_speed_admin;
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sub vendor {
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return 'arista';
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}
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sub os {
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return 'EOS';
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}
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sub os_ver {
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my $arista = shift;
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my $descr = $arista->description();
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my $os_ver = undef;
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$os_ver = $1 if ( $descr =~ /\s+EOS\s+version\s+(\S+)\s+/ );
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return $os_ver;
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}
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sub model {
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my $arista = shift;
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my $id = $arista->id();
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my $model = &SNMP::translateObj($id);
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return $id unless defined $model;
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$model =~ s/^arista//;
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return $model;
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}
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# The LLDP MIB leaves it up in the air what the index means.
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# On EOS, it's a dot1d port.
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sub lldp_if {
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my $arista = shift;
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my $partial = shift;
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# We pick a column that someone else is likely to want,
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# so that the cache means that hopefully this doesn't
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# cause any more SNMP transactions in total.
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my $desc = $arista->lldp_rem_desc($partial) || {};
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my $bp_index = $arista->bp_index() || {};
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my $lldp_if = {};
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foreach my $key ( keys %$desc ) {
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my @aOID = split( '\.', $key );
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my $port = $aOID[1];
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$lldp_if->{$key} = $bp_index->{$port};
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}
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return $lldp_if;
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}
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sub agg_ports { return agg_ports_ifstack(@_) }
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1;
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__END__
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=head1 NAME
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SNMP::Info::Layer3::Arista - SNMP Interface to Arista Networks EOS
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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 $arista = 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 = $arista->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 Arista Networks EOS-based devices
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=head2 Inherited Classes
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=over
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=item SNMP::Info::Aggregate
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=item SNMP::Info::Layer3
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=item SNMP::Info::MAU
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=item SNMP::Info::LLDP
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=back
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=head2 Required MIBs
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=over
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=item F<ARISTA-PRODUCTS-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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See L<SNMP::Info::Aggregate/"Required MIBs"> for its own MIB requirements.
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See L<SNMP::Info::MAU/"Required MIBs"> for its own MIB requirements.
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See L<SNMP::Info::LLDP/"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 values from SNMP
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=over
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=item $arista->vendor()
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Returns 'Arista Networks, Inc.'
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=item $arista->model()
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Tries to reference $arista->id() to one of the product MIBs listed above
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Removes 'arista' from the name for readability.
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=item $arista->os()
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Returns 'EOS'
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=item $arista->os_ver()
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Grabs the os version from C<sysDescr>
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=back
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=head2 Global Methods imported from SNMP::Info::Layer3
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See documentation in L<SNMP::Info::Layer3/"GLOBALS"> for details.
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=head2 Global Methods imported from SNMP::Info::MAU
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See documentation in L<SNMP::Info::MAU/"GLOBALS"> for details.
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=head2 Global Methods 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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=over
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=item $arista->i_duplex_admin()
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Returns info from F<MAU-MIB>
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=item $arista->i_speed_admin()
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Returns info from F<MAU-MIB>
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=item $arista->lldp_if()
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Returns the mapping to the SNMP Interface Table.
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=item C<agg_ports>
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Returns a HASH reference mapping from slave to master port for each member of
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a port bundle on the device. Keys are ifIndex of the slave ports, Values are
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ifIndex of the corresponding master ports.
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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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=head2 Table Methods imported from SNMP::Info::LLDP
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See documentation in L<SNMP::Info::LLDP/"TABLE METHODS"> for details.
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=cut
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