328 lines
7.8 KiB
Perl
328 lines
7.8 KiB
Perl
# SNMP::Info::Layer3::Aironet
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# Max Baker <max@warped.org>
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#
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# Copyright (c) 2002, 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 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::Aironet;
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$VERSION = 0.1;
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use strict;
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use Exporter;
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use SNMP::Info::Layer3;
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use vars qw/$VERSION $DEBUG %MIBS %FUNCS %GLOBALS %MUNGE $INIT/;
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@SNMP::Info::Layer3::Aironet::ISA = qw/SNMP::Info::Layer3 Exporter/;
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@SNMP::Info::Layer3::Aironet::EXPORT_OK = qw//;
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$DEBUG=0;
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$SNMP::debugging=$DEBUG;
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$INIT = 0;
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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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# 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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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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$fw_mac->{$bs} = $bs_mac->{$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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$fw_port->{$bs} = $bs_port->{$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 Devices
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=head1 DESCRIPTION
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Inherits all methods from SNMP::Info::Layer3
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=head1 AUTHOR
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Max Baker (C<max@warped.org>)
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=head1 SYNOPSIS
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my $aironet = new SNMP::Info::Layer3::Aironet(DestHost => 'myswitch',
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Community => 'public');
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my $mac = $aironet->mac();
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=head1 CREATING AN OBJECT
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=over
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=item new SNMP::Info::Layer3::Aironet()
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Arguments passed to new() are passed on to SNMP::Session::new()
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my $aironet = new SNMP::Info::Layer3::Aironet(
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DestHost => $host,
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Community => 'public',
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Version => 3,...
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)
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die "Couldn't connect.\n" unless defined $aironet;
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=item $aironet->session()
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Sets or returns the SNMP::Session object
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# Get
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my $sess = $aironet->session();
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# Set
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my $newsession = new SNMP::Session(...);
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$aironet->session($newsession);
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=back
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=head1 Globals
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=over
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=item $aironet->mac()
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Gives the MAC Address of the wireless side
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B<dot11StationID.2>
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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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B<awcEtherDuplex.0>
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=item $aironet->vendor()
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Returns 'cisco'.
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=back
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=head1 TABLE ENTRIES
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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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B<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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B<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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B<awcIfIpAddress>
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=item $aironet->awc_netmask()
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Gives the NetMask for each interface.
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B<awcIfIpNetMask>
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=item $aironet->awc_msdu()
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B<awcIfMSDUMaxLength>
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=back
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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 port
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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 addresses will
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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 adding
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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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=cut
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