400 lines
10 KiB
Perl
400 lines
10 KiB
Perl
# SNMP::Info::Layer2::C1900
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# Max Baker
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#
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# Copyright (c) 2004 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 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::Layer2::C1900;
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$VERSION = 1.0;
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# $Id$
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use strict;
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use Exporter;
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use SNMP::Info::Layer2;
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use SNMP::Info::CiscoVTP;
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use SNMP::Info::CDP;
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use SNMP::Info::CiscoStats;
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@SNMP::Info::Layer2::C1900::ISA = qw/SNMP::Info::Layer2 SNMP::Info::CiscoVTP
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SNMP::Info::CDP SNMP::Info::CiscoStats Exporter/;
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@SNMP::Info::Layer2::C1900::EXPORT_OK = qw//;
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use vars qw/$VERSION %FUNCS %GLOBALS %MIBS %MUNGE $AUTOLOAD $INIT $DEBUG/;
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# Set for No CDP
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%GLOBALS = (
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%SNMP::Info::Layer2::GLOBALS,
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%SNMP::Info::CiscoVTP::GLOBALS,
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%SNMP::Info::CiscoStats::GLOBALS,
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%SNMP::Info::CDP::GLOBALS,
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'c1900_flash_status' => 'upgradeFlashBankStatus',
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);
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%FUNCS = (%SNMP::Info::Layer2::FUNCS,
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%SNMP::Info::CiscoVTP::FUNCS,
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%SNMP::Info::CiscoStats::FUNCS,
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%SNMP::Info::CDP::FUNCS,
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'i_type2' => 'ifType',
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'i_name2' => 'ifName',
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# ESSWITCH-MIB
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'c1900_p_index' => 'swPortIndex',
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'c1900_p_ifindex' => 'swPortIfIndex',
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'c1900_p_duplex' => 'swPortDuplexStatus',
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'c1900_p_duplex_admin' => 'swPortFullDuplex',
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'c1900_p_name' => 'swPortName',
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'c1900_p_up_admin' => 'swPortAdminStatus',
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'c1900_p_type' => 'swPortMediaCapability',
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'c1900_p_media' => 'swPortConnectorType',
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);
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%MIBS = (
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%SNMP::Info::Layer2::MIBS,
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%SNMP::Info::CiscoVTP::MIBS,
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%SNMP::Info::CiscoStats::MIBS,
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%SNMP::Info::CDP::MIBS,
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# Also known as the ESSWITCH-MIB
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'STAND-ALONE-ETHERNET-SWITCH-MIB' => 'series2000'
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);
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%MUNGE = (%SNMP::Info::Layer2::MUNGE,
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%SNMP::Info::CiscoVTP::MUNGE,
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%SNMP::Info::CDP::MUNGE,
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%SNMP::Info::CiscoStats::MUNGE,
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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 os {
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return 'catalyst';
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}
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sub os_ver {
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my $c1900 = shift;
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# Check for superclass one
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my $os_ver = $c1900->SUPER::os_ver();
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return $os_ver if defined $os_ver;
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my $c1900_flash_status = $c1900->c1900_flash_status();
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return undef unless defined $c1900_flash_status;
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if ($c1900_flash_status =~ m/V(\d+\.\d+(\.\d+)?)/){
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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 bulkwalk_no { 1; }
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sub cisco_comm_indexing { 1; }
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sub interfaces {
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my $c1900 = shift;
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my $i_descr = $c1900->i_description();
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foreach my $iid (keys %$i_descr){
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$i_descr->{$iid} =~ s/\s*$//;
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}
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return $i_descr;
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}
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sub i_duplex {
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my $c1900 = shift;
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my $interfaces = $c1900->interfaces();
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my $c1900_p_index = $c1900->c1900_p_index();
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my $c1900_p_duplex = $c1900->c1900_p_duplex();
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my %reverse_1900 = reverse %$c1900_p_index;
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my %i_duplex;
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foreach my $if (keys %$interfaces){
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my $port_1900 = $reverse_1900{$if};
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next unless defined $port_1900;
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my $duplex = $c1900_p_duplex->{$port_1900};
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next unless defined $duplex;
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$duplex = 'half' if $duplex =~ /half/i;
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$duplex = 'full' if $duplex =~ /full/i;
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$i_duplex{$if}=$duplex;
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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 $c1900 = shift;
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my $interfaces = $c1900->interfaces();
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my $c1900_p_index = $c1900->c1900_p_index();
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my $c1900_p_admin = $c1900->c1900_p_duplex_admin();
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my %reverse_1900 = reverse %$c1900_p_index;
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my %i_duplex_admin;
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foreach my $if (keys %$interfaces){
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my $port_1900 = $reverse_1900{$if};
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next unless defined $port_1900;
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my $duplex = $c1900_p_admin->{$port_1900};
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next unless defined $duplex;
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$duplex = 'half' if $duplex =~ /disabled/i;
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$duplex = 'full' if $duplex =~ /flow control/i;
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$duplex = 'full' if $duplex =~ /enabled/i;
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$duplex = 'auto' if $duplex =~ /auto/i;
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$i_duplex_admin{$if}=$duplex;
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}
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return \%i_duplex_admin;
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}
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sub i_type {
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my $c1900 = shift;
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my $i_type = $c1900->i_type2();
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my $c1900_p_index = $c1900->c1900_p_index();
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my $c1900_p_type = $c1900->c1900_p_type();
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my $c1900_p_media = $c1900->c1900_p_media();
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foreach my $p_iid (keys %$c1900_p_index){
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my $port = $c1900_p_index->{$p_iid};
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my $type = $c1900_p_type->{$p_iid};
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my $media = $c1900_p_media->{$p_iid};
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next unless defined $port;
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next unless defined $type;
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next unless defined $media;
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$i_type->{$port} = "$type $media";
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}
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return $i_type;
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}
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sub i_name {
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my $c1900 = shift;
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my $i_name = $c1900->i_name2();
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my $c1900_p_name = $c1900->c1900_p_name();
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foreach my $port (keys %$c1900_p_name){
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my $name = $c1900_p_name->{$port};
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next unless defined $name;
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next unless $name !~ /^\s*$/;
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$i_name->{$port} = $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::Layer2::C1900 - Perl5 Interface to SNMP data from Cisco Catlyst 1900 Network Switches running CatOS
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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 $c1900 = 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 => 1
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)
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or die "Can't connect to DestHost.\n";
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my $class = $c1900->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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Provides abstraction to the configuration information obtainable from a Catalyst 1900 device through SNMP.
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See SNMP::Info for full documentation
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Note that most of these devices only talk SNMP version 1, but not all.
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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 $c1900 = new SNMP::Info::Layer2::C1900(...);
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=head2 Inherited classes
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=over
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=item SNMP::Info::Layer2
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=back
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=head2 Required MIBs
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=over
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=item STAND-ALONE-ETHERNET-SWITCH-MIB (ESSWITCH-MIB)
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ESSWITCH-MIB is included in the Version 1 MIBS from Cisco.
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They can be found at ftp://ftp.cisco.com/pub/mibs/v1/v1.tar.gz
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=item Inherited Classes' MIBs
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MIBs listed in SNMP::Info::Layer2
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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 $c1900->bulkwalk_no
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Return C<1>. Bulkwalk is turned off for this class.
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=item $c1900->c1900_flash_status()
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Usually contains the version of the software loaded in flash.
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Used by os_ver()
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B<STAND-ALONE-ETHERNET-SWITCH-MIB::upgradeFlashBankStatus>
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=item $c1900->os()
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Returns 'catalyst'
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=item $c1900->os_ver()
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Returns CatOS version if obtainable. First tries to use
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SNMP::Info::CiscoStats->os_ver() . If that fails then it
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checks for the presence of $c1900->c1900_flash_status() and culls
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the version from there.
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=item $c1900->vendor()
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Returns 'cisco' :)
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=back
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=head2 Globals imported from SNMP::Info::Layer2
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See documentation in SNMP::Info::Layer2 for details.
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=head1 TABLE ENTRIES
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=head2 Overrides
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=over
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=item $c1900->i_duplex()
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Returns reference to map of IIDs to current link duplex
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Crosses $c1900->c1900_p_index() with $c1900->c1900_p_duplex;
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=item $c1900->i_duplex_admin()
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Returns reference to hash of IIDs to admin duplex setting
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Crosses $c1900->c1900_p_index() with $c1900->c1900_p_duplex_admin;
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=item $c1900->i_name()
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Crosses ifName with c1900_p_name() and returns the human set port name if exists.
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=item $c1900->i_type()
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Returns reference to hash of IID to port type
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Takes the default ifType and overrides it with
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c1900_p_type() and c1900_p_media() if they exist.
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=back
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=head2 STAND-ALONE-ETHERNET-SWITCH-MIB Switch Port Table Entries:
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=over
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=item $c1900->c1900_p_index()
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Maps the Switch Port Table to the IID
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B<swPortIfIndex>
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=item $c1900->c1900_p_duplex()
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Gives Port Duplex Info
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B<swPortDuplexStatus>
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=item $c1900->c1900_p_duplex_admin()
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Gives admin setting for Duplex Info
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B<swPortFullDuplex>
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=item $c1900->c1900_p_name()
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Gives human set name for port
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B<swPortName>
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=item $c1900->c1900_p_up_admin()
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Gives Admin status of port enabled.
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B<swPortAdminStatus>
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=item $c1900->c1900_p_type()
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Gives Type of port, ie. "general-ethernet"
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B<swPortMediaCapability>
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=item $c1900->c1900_p_media()
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Gives the media of the port , ie "fiber-sc"
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B<swPortConnectorType>
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=back
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=head2 Table Methods imported from SNMP::Info::Layer2
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See documentation in SNMP::Info::Layer2 for details.
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=cut
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