323 lines
7.4 KiB
Perl
323 lines
7.4 KiB
Perl
# SNMP::Info::Layer3::Contivity
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# Eric Miller
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# $Id$
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#
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# Copyright (c) 2004 Eric Miller, Max Baker
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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 notice,
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# this list of conditions and the following disclaimer in the documentation
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# 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" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package SNMP::Info::Layer3::Contivity;
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$VERSION = 1.0;
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use strict;
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use Exporter;
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use SNMP::Info;
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use SNMP::Info::Entity;
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use vars qw/$VERSION $DEBUG %GLOBALS %FUNCS $INIT %MIBS %MUNGE/;
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@SNMP::Info::Layer3::Contivity::ISA = qw/SNMP::Info SNMP::Info::Entity Exporter/;
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@SNMP::Info::Layer3::Contivity::EXPORT_OK = qw//;
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%MIBS = (
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%SNMP::Info::MIBS,
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%SNMP::Info::Entity::MIBS,
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);
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%GLOBALS = (
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%SNMP::Info::GLOBALS,
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%SNMP::Info::Entity::GLOBALS,
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);
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%FUNCS = (
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%SNMP::Info::FUNCS,
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%SNMP::Info::Entity::FUNCS,
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'i_name2' => 'ifName',
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# From RFC1213-MIB
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'at_index' => 'ipNetToMediaIfIndex',
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'at_paddr' => 'ipNetToMediaPhysAddress',
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'at_netaddr' => 'ipNetToMediaNetAddress',
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);
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%MUNGE = (
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%SNMP::Info::MUNGE,
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%SNMP::Info::Entity::MUNGE,
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'at_paddr' => \&SNMP::Info::munge_mac,
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);
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sub layers {
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return '00000100';
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}
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sub vendor {
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return 'nortel';
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}
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sub model {
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my $contivity = shift;
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my $e_model = $contivity->e_model() || {};
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my $model = $e_model->{1} || undef;
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return $1 if (defined $model and $model =~ /(CES\d+)/i);
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return undef;
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}
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sub os {
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return 'contivity';
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}
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sub os_ver {
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my $contivity = shift;
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my $descr = $contivity->description();
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return undef unless defined $descr;
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if ($descr =~ m/V(\d+_\d+\.\d+)/i){
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return $1;
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}
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return undef;
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}
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sub mac {
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my $contivity = shift;
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my $i_mac = $contivity->i_mac();
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# Return Interface MAC
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foreach my $entry (keys %$i_mac){
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my $sn = $i_mac->{$entry};
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next unless $sn;
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return $sn;
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}
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return undef;
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}
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sub serial {
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my $contivity = shift;
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my $e_serial = $contivity->e_serial() || {};
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my $serial = $e_serial->{1} || undef;
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return $1 if (defined $serial and $serial =~ /(\d+)/);
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return undef;
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}
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sub interfaces {
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my $contivity = shift;
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my $description = $contivity->i_description();
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my %interfaces = ();
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foreach my $iid (keys %$description){
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my $desc = $description->{$iid};
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# Skip everything except Ethernet interfaces
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next unless (defined $desc and $desc =~ /fe/i);
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$interfaces{$iid} = $desc;
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}
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return \%interfaces;
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}
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sub i_name {
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my $contivity = shift;
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my $i_name2 = $contivity->i_name2();
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my %i_name;
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foreach my $iid (keys %$i_name2){
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my $name = $i_name2->{$iid};
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#Skip everything except Ethernet interfaces
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next unless (defined $name and $name =~ /fe/i);
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$name = $1 if $name =~ /(fei\.\d+\.\d+)/;
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$i_name{$iid} = $name;
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}
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return \%i_name;
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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::Contivity - Perl5 Interface to Nortel Networks' Contivity
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Extranet Switches (CES).
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=head1 AUTHOR
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Eric Miller
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=head1 SYNOPSIS
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# Let SNMP::Info determine the correct subclass for you.
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my $contivity = new SNMP::Info(
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AutoSpecify => 1,
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Debug => 1,
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# These arguments are passed directly on 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 = $contivity->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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Abstraction subclass for Nortel Networks' Contivity Extranet Switch (CES).
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For speed or debugging purposes you can call the subclass directly, but not after determining
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a more specific class using the method above.
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my $contivity = new SNMP::Info::Layer3::Contivity(...);
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=head2 Inherited Classes
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=over
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=item SNMP::Info
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=item SNMP::Info::Entity
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=back
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=head2 Required MIBs
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=over
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=item Inherited Classes' MIBs
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See SNMP::Info for its own MIB requirements.
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See SNMP::Info::Entity 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 $contivity->vendor()
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Returns 'Nortel'
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=item $contivity->model()
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Returns the chassis name.
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(B<entPhysicalModelName.1>)
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=item $contivity->os()
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Returns 'CES'
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=item $contivity->os_ver()
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Returns the software version extracted from (B<sysDescr>).
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=item $contivity->serial()
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Returns the chassis serial number.
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(B<entPhysicalSerialNum.1>)
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=item $contivity->mac()
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Returns the MAC address of the first Ethernet Interface.
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=back
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=head2 Overrides
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=over
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=item $contivity->layers()
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Returns 00000100. Contivity does not support bridge MIB, so override reported
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layers.
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=back
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=head2 Globals imported from SNMP::Info
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See documentation in SNMP::Info for details.
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=head2 Globals imported from SNMP::Info::Entity
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See documentation in SNMP::Info::Entity for details.
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=head1 TABLE ENTRIES
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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 $contivity->interfaces()
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Returns reference to the map between IID and physical Port. Skips loopback and
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tunnel interfaces.
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=back
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=head2 RFC1213 Arp Cache Table (B<ipNetToMediaTable>)
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=over
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=item $contivity->at_index()
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Returns reference to hash. Maps ARP table entries to Interface IIDs
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(B<ipNetToMediaIfIndex>)
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=item $contivity->at_paddr()
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Returns reference to hash. Maps ARP table entries to MAC addresses.
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(B<ipNetToMediaPhysAddress>)
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=item $contivity->at_netaddr()
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Returns reference to hash. Maps ARP table entries to IPs
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(B<ipNetToMediaNetAddress>)
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=back
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=head2 Table Methods imported from SNMP::Info
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See documentation in SNMP::Info for details.
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=head2 Table Methods imported from SNMP::Info::Entity
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See documentation in SNMP::Info::Entity for details.
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=cut
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