398 lines
9.1 KiB
Perl
398 lines
9.1 KiB
Perl
# SNMP::Info::Layer3::Aironet
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# $Id$
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#
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# Copyright (c) 2008 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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# 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 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::Aironet;
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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::Aironet::ISA = qw/SNMP::Info::Layer3 Exporter/;
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@SNMP::Info::Layer3::Aironet::EXPORT_OK = qw//;
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use vars qw/$VERSION %MIBS %FUNCS %GLOBALS %MUNGE/;
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$VERSION = '3.02';
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%MIBS = (
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%SNMP::Info::Layer3::MIBS,
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'AWCVX-MIB' => 'awcIfTable',
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'IEEE802dot11-MIB' => 'dot11StationID',
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);
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%GLOBALS = (
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%SNMP::Info::Layer3::GLOBALS,
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'mac' => 'dot11StationID.2',
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# AWC Ethernet Table
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'awc_duplex' => 'awcEtherDuplex.0',
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);
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%FUNCS = (
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%SNMP::Info::Layer3::FUNCS,
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'i_mac2' => 'ifPhysAddress',
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'i_mtu2' => 'ifMtu',
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'i_ssid' => 'dot11DesiredSSID',
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# Bridge-mib overrides
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'fw_mac2' => 'dot1dTpFdbAddress',
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'fw_port2' => 'dot1dTpFdbPort',
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'bp_index2' => 'dot1dBasePortIfIndex',
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# AWC Interface Table (awcIfTable)
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'awc_default_mac' => 'awcIfDefaultPhyAddress',
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'awc_mac' => 'awcIfPhyAddress',
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'awc_ip' => 'awcIfIpAddress',
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'awc_netmask' => 'awcIfIpNetMask',
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'awc_msdu' => 'awcIfMSDUMaxLength',
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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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'i_mac2' => \&SNMP::Info::munge_mac,
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'awc_mac' => \&SNMP::Info::munge_mac,
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'fw_mac2' => \&SNMP::Info::munge_mac,
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);
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sub os {
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return 'aironet';
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}
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sub os_ver {
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my $aironet = shift;
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my $descr = $aironet->description() || '';
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# CAP340 11.21, AP4800-E 11.21
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if ( $descr =~ /AP\d{3,4}(-\D+)?\s+(\d{2}\.\d{2})/ ) {
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return $2;
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}
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if ( $descr =~ /Series\s*AP\s+(\d{2}\.\d{2})/ ) {
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return $1;
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}
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return;
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}
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# Override wireless port with static info
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sub bp_index {
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my $aironet = shift;
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my $interfaces = $aironet->interfaces();
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my $bp_index = $aironet->bp_index2();
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foreach my $iid ( keys %$interfaces ) {
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my $port = $interfaces->{$iid};
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# Hardwire the wireless port to the transparent bridge port
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if ( $port =~ /awc/ ) {
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$bp_index->{0} = $iid;
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}
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}
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return $bp_index;
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}
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# Add the static table to the forwarding table
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sub fw_mac {
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my $aironet = shift;
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my $fw_mac = $aironet->fw_mac2();
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my $fw_port = $aironet->fw_port2();
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my $bs_mac = $aironet->bs_mac();
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# remove port 0 forwarding table entries, only port 0 static entries
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foreach my $fw ( keys %$fw_mac ) {
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my $port = $fw_port->{$fw};
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next unless defined $port;
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delete $fw_mac->{$fw} if $port == 0;
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}
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foreach my $bs ( keys %$bs_mac ) {
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my $entry = $bs;
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$entry =~ s/\.0$//;
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$fw_mac->{$entry} = $bs_mac->{$bs};
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}
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return $fw_mac;
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}
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# Add the static table to the forwarding table
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sub fw_port {
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my $aironet = shift;
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my $fw_port = $aironet->fw_port2();
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my $bs_port = $aironet->bs_port();
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foreach my $bs ( keys %$bs_port ) {
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my $entry = $bs;
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$entry =~ s/\.0$//;
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$fw_port->{$entry} = $bs_port->{$bs};
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}
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return $fw_port;
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}
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sub i_duplex {
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my $aironet = shift;
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my $interfaces = $aironet->interfaces();
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my $awc_duplex = $aironet->awc_duplex();
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my %i_duplex;
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foreach my $iid ( keys %$interfaces ) {
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my $name = $interfaces->{$iid};
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if ( $name =~ /fec/ ) {
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$i_duplex{$iid} = $awc_duplex;
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}
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}
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return \%i_duplex;
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}
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sub i_mac {
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my $aironet = shift;
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my $i_mac = $aironet->i_mac2();
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my $awc_mac = $aironet->awc_mac();
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foreach my $iid ( keys %$awc_mac ) {
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next unless defined $i_mac->{$iid};
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$i_mac->{$iid} = $awc_mac->{$iid};
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}
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return $i_mac;
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}
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sub i_ignore {
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my $aironet = shift;
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my $interfaces = $aironet->interfaces();
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my %i_ignore;
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foreach my $if ( keys %$interfaces ) {
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$i_ignore{$if}++ if ( $interfaces->{$if} =~ /(rptr|lo)/ );
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}
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return \%i_ignore;
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}
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sub vendor {
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return 'cisco';
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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::Aironet - Perl5 Interface to Cisco Aironet Wireless
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Devices running Aironet software, not IOS
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=head1 AUTHOR
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Max Baker
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=head1 SYNOPSIS
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# Let SNMP::Info determine the correct subclass for you.
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my $aironet = 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 = $aironet->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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SNMP::Info subclass to provide access to SNMP data for an Aironet device
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running Aironet software, not cisco IOS.
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Note there are two classes for Aironet devices :
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=over
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=item SNMP::Info::Layer3::Aironet
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This class is for devices running Aironet software (older)
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=item SNMP::Info::Layer2::Aironet
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This class is for devices running Cisco IOS software (newer)
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=back
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For speed or debugging purposes you can call the subclass directly, but not
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after determining a more specific class using the method above.
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my $aironet = new SNMP::Info::Layer3::Aironet(...);
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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<AWCVX-MIB>
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=item F<IEEE802dot11-MIB>
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=back
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These MIBs are now included in the v2.tar.gz archive available from
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ftp.cisco.com. Make sure you have a current version.
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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 $aironet->awc_duplex()
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Gives the admin duplex setting for the Ethernet Port.
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C<awcEtherDuplex.0>
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=item $aironet->mac()
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Gives the MAC Address of the wireless side
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C<dot11StationID.2>
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=item $aironet->os()
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'aironet'
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=item $aironet->os_ver
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Tries to cull the version from the description field.
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=item $aironet->vendor()
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Returns 'cisco'.
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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 $aironet->bp_index()
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Takes the bp_index() value from SNMP::Info::Bridge and overrides the wireless
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port to be assigned to the transparent bridge port (port 0)
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=item $aironet->fw_mac()
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Adds static table entries from bs_mac() to port 0 so that wireless MAC
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addresses will be reported. Forwarding table entries for port 0 are removed.
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=item $aironet->fw_port()
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Adds the static table port mappings to the forwarding table port mappings by
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adding bs_port() to fw_port()
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=item $aironet->i_duplex()
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Adds the value of awc_duplex() to each Ethernet port seen.
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=item $aironet->i_mac()
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Overrides the values for i_mac with the value from awc_mac() if they are set.
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=item $aironet->i_ignore()
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Ignores ports that are of type ``rptr'' and ``lo''.
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=back
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=head2 Aironet specific items
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=over
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=item $aironet->awc_default_mac()
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Gives the default MAC address of each interface.
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C<awcIfDefaultPhyAddress>
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=item $aironet->awc_mac()
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Gives the actual MAC address of each interface.
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C<awcIfPhyAddress>
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=item $aironet->awc_ip()
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Gives the IP Address assigned to each interface.
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C<awcIfIpAddress>
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=item $aironet->awc_netmask()
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Gives the NetMask for each interface.
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C<awcIfIpNetMask>
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=item $aironet->awc_msdu()
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C<awcIfMSDUMaxLength>
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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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