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Max Baker
373
Info/Layer3/C3550.pm
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373
Info/Layer3/C3550.pm
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# SNMP::Info::Layer3::C3550
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# Max Baker <max@warped.org>
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#
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# Copyright (c) 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 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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# $Id$
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package SNMP::Info::Layer3::C3550;
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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 %GLOBALS %MIBS %FUNCS %PORTSTAT %MUNGE $INIT/ ;
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@SNMP::Info::Layer3::C3550::ISA = qw/SNMP::Info::Layer3 Exporter/;
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@SNMP::Info::Layer3::C3550::EXPORT_OK = qw//;
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$DEBUG=0;
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# See SNMP::Info for the details of these data structures and
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# the interworkings.
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$INIT = 0;
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%MIBS = (
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%SNMP::Info::Layer3::MIBS,
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'CISCO-STACK-MIB' => 'moduleType',
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'CISCO-VTP-MIB' => 'vtpVlanIndex'
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);
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%GLOBALS = (
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%SNMP::Info::Layer3::GLOBALS,
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'ports2' => 'ifNumber',
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# these are in CISCO-STACK-MIB
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'serial' => 'chassisSerialNumberString',
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'ps1_type' => 'chassisPs1Type',
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'ps1_status' => 'chassisPs1Status',
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'ps2_type' => 'chassisPs2Type',
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'ps2_status' => 'chassisPs2Status',
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'fan' => 'chassisFanStatus'
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);
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%FUNCS = (
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%SNMP::Info::Layer3::FUNCS,
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'i_type2' => 'ifType',
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# CISCO-STACK-MIB::portEntry
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'p_name' => 'portName',
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'p_type' => 'portType',
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'p_status' => 'portOperStatus',
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'p_status2' => 'portAdditionalStatus',
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'p_speed' => 'portAdminSpeed',
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'p_duplex' => 'portDuplex',
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'p_port' => 'portIfIndex',
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# CISCO-STACK-MIB::PortCpbEntry
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'p_speed_admin' => 'portCpbSpeed',
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'p_duplex_admin' => 'portCpbDuplex',
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# CISCO-VTP-MIB::VtpVlanEntry
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'v_state' => 'vtpVlanState',
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'v_type' => 'vtpVlanType',
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'v_name' => 'vtpVlanName',
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'v_mtu' => 'vtpVlanMtu',
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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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'm_ports_status' => \&munge_port_status,
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'p_duplex_admin' => \&SNMP::Info::munge_bits,
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);
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%PORTSTAT = (1 => 'other',
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2 => 'ok',
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3 => 'minorFault',
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4 => 'majorFault');
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# Changes binary byte describing each port into ascii, and returns
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# an ascii list separated by spaces.
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sub munge_port_status {
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my $status = shift;
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my @vals = map($PORTSTAT{$_},unpack('C*',$status));
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return join(' ',@vals);
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}
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# Overidden Methods
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sub i_type {
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my $c3550 = shift;
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my $p_port = $c3550->p_port();
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my $p_type = $c3550->p_type();
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# Get more generic port types from IF-MIB
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my $i_type = $c3550->i_type2();
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# Now Override w/ port entries
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foreach my $port (keys %$p_type) {
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my $iid = $p_port->{$port};
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$i_type->{$iid} = $p_type->{$port};
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}
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return $i_type;
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}
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sub i_duplex {
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my $c3550 = shift;
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my $p_port = $c3550->p_port();
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my $p_duplex = $c3550->p_duplex();
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my %i_duplex;
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foreach my $port (keys %$p_duplex) {
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my $iid = $p_port->{$port};
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$i_duplex{$iid} = $p_duplex->{$port};
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}
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return \%i_duplex;
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}
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sub i_duplex_admin {
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my $c3550 = shift;
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my $p_port = $c3550->p_port();
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my $p_duplex_admin = $c3550->p_duplex_admin();
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my %i_duplex_admin;
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foreach my $port (keys %$p_duplex_admin) {
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my $iid = $p_port->{$port};
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next unless defined $iid;
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my $duplex = $p_duplex_admin->{$port};
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next unless defined $duplex;
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my $string = 'other';
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# see CISCO-STACK-MIB for a description of the bits
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$string = 'half' if ($duplex =~ /001$/ or $duplex =~ /0100.$/);
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$string = 'full' if ($duplex =~ /010$/ or $duplex =~ /100.0$/);
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# we'll call it auto if both full and half are turned on, or if the
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# specifically 'auto' flag bit is set.
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$string = 'auto'
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if ($duplex =~ /1..$/ or $duplex =~ /110..$/ or $duplex =~ /..011$/);
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$i_duplex_admin{$iid} = $string;
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}
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return \%i_duplex_admin;
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}
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sub vendor {
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return 'cisco';
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}
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sub model {
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my $c3550 = shift;
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my $id = $c3550->id();
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my $model = &SNMP::translateObj($id);
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$model =~ s/^catalyst//;
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$model =~ s/(24|48)$//;
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return $model;
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}
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# Ports is encoded into the model number
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sub ports {
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my $c3550 = shift;
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my $ports2 = $c3550->ports2();
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my $id = $c3550->id();
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my $model = &SNMP::translateObj($id);
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if ($model =~ /(24|48)$/) {
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return $1;
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}
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return $ports2;
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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::C3550 - Perl5 Interface to Cisco Catalyst 3550 Layer 2/3 Switches running IOS
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=head1 DESCRIPTION
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Abstraction subclass for Cisco Catalyst 3550 Layer 2/3 Switches. These devices run
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IOS but have some of the same charactersitics as the Catalyst WS-C family (5xxx,6xxx).
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For example, forwarding tables are held in VLANs, and extened interface information
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is gleened from CISCO-SWITCH-MIB.
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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 $c3550 = new SNMP::Info::Layer3::C3550(DestHost => 'router' ,
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Community => 'public' );
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=head1 CREATING AN OBJECT
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=over
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=item new SNMP::Info::Layer3::C3550()
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Arguments passed to new() are passed on to SNMP::Session::new()
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my $c3550 = new SNMP::Info::Layer3::C3550(
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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 $c3550;
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=item $c3550->session()
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Sets or returns the SNMP::Session object
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# Get
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my $sess = $c3550->session();
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# Set
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my $newsession = new SNMP::Session(...);
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$c3550->session($newsession);
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=back
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=head1 GLOBAL Values
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=over
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=item $c3550->serial()
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(B<chassisSerialNumberString>)
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=item $c3550->model()
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(B<chassisModel>)
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=item $c3550->ps1_type()
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(B<chassisPs1Type>)
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=item $c3550->ps2_type()
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(B<chassisPs2Type>)
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=item $c3550->ps1_status()
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(B<chassisPs1Status>)
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=item $c3550->ps2_status()
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(B<chassisPs2Status>)
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=item $c3550->slots()
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(B<chassisNumSlots>)
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=item $c3550->fan()
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(B<chassisFanStatus>)
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=item $c3550->vendor()
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Returns 'cisco'
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=back
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=head1 TABLE ENTRIES
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=head2 Overrides
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=over
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=item $c3550->i_type()
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Crosses p_port() with p_type() and returns the results.
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Overrides with ifType if p_type() isn't available.
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=item $c3550->i_name()
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Crosses p_name with p_port and returns results.
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=item $c3550->i_duplex()
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Crosses p_duplex with p_port and returns results.
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=item $c3550->i_duplex_admin()
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Crosses p_duplex_admin with p_port.
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Munges bit_string returned from p_duplex_admin to get duplex settings.
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=back
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=head2 Port Entry Table (CISCO-STACK-MIB::portTable)
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=over
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=item $c3550->p_name()
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(B<portName>)
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=item $c3550->p_type()
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(B<portType>)
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=item $c3550->p_status()
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(B<portOperStatus>)
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=item $c3550->p_status2()
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(B<portAdditionalStatus>)
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=item $c3550->p_speed()
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(B<portAdminSpeed>)
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=item $c3550->p_duplex()
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(B<portDuplex>)
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=item $c3550->p_port()
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(B<portIfIndex>)
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=back
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=head2 Port Capability Table (CISCO-STACK-MIB::portCpbTable)
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=over
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=item $c3550->p_speed_admin()
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(B<portCpbSpeed>)
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=item $c3550->p_duplex_admin()
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(B<portCpbDuplex>)
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=back
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=head2 VLAN Entry Table
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See ftp://ftp.cisco.com/pub/mibs/supportlists/wsc5000/wsc5000-communityIndexing.html
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for a good treaty of how to connect to the VLANs
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=over
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=item $c3550->v_state()
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(B<vtpVlanState>)
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=item $c3550->v_type()
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(B<vtpVlanType>)
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=item $c3550->v_name()
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(B<vtpVlanName>)
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=item $c3550->v_mtu()
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(B<vtpVlanMtu>)
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=back
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=cut
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