384 lines
11 KiB
Perl
384 lines
11 KiB
Perl
# SNMP::Info::Layer3::Cisco
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# $Id$
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#
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# Copyright (c) 2008 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
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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::Cisco;
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use strict;
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use warnings;
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use Exporter;
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use SNMP::Info::CiscoVTP;
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use SNMP::Info::LLDP;
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use SNMP::Info::CDP;
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use SNMP::Info::CiscoStats;
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use SNMP::Info::CiscoRTT;
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use SNMP::Info::CiscoQOS;
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use SNMP::Info::CiscoConfig;
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use SNMP::Info::CiscoPower;
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use SNMP::Info::CiscoStpExtensions;
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use SNMP::Info::Layer3;
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@SNMP::Info::Layer3::Cisco::ISA = qw/SNMP::Info::CiscoVTP
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SNMP::Info::LLDP SNMP::Info::CDP
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SNMP::Info::CiscoStats SNMP::Info::CiscoRTT
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SNMP::Info::CiscoQOS SNMP::Info::CiscoConfig
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SNMP::Info::CiscoPower SNMP::Info::CiscoStpExtensions
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SNMP::Info::Layer3
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Exporter/;
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@SNMP::Info::Layer3::Cisco::EXPORT_OK = qw//;
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use vars qw/$VERSION %GLOBALS %MIBS %FUNCS %MUNGE/;
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$VERSION = '3.65';
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%MIBS = (
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%SNMP::Info::Layer3::MIBS,
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%SNMP::Info::CiscoStpExtensions::MIBS,
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%SNMP::Info::CiscoPower::MIBS,
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%SNMP::Info::CiscoConfig::MIBS,
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%SNMP::Info::CiscoQOS::MIBS,
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%SNMP::Info::CiscoRTT::MIBS,
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%SNMP::Info::CiscoStats::MIBS,
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%SNMP::Info::CDP::MIBS,
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%SNMP::Info::LLDP::MIBS,
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%SNMP::Info::CiscoVTP::MIBS,
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'CISCO-EIGRP-MIB' => 'cEigrpAsRouterId',
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);
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%GLOBALS = (
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%SNMP::Info::Layer3::GLOBALS,
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%SNMP::Info::CiscoStpExtensions::GLOBALS,
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%SNMP::Info::CiscoPower::GLOBALS,
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%SNMP::Info::CiscoConfig::GLOBALS,
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%SNMP::Info::CiscoQOS::GLOBALS,
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%SNMP::Info::CiscoRTT::GLOBALS,
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%SNMP::Info::CiscoStats::GLOBALS,
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%SNMP::Info::CDP::GLOBALS,
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%SNMP::Info::LLDP::GLOBALS,
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%SNMP::Info::CiscoVTP::GLOBALS,
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'eigrp_id' => 'cEigrpAsRouterId',
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);
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%FUNCS = (
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%SNMP::Info::Layer3::FUNCS,
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%SNMP::Info::CiscoStpExtensions::FUNCS,
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%SNMP::Info::CiscoPower::FUNCS,
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%SNMP::Info::CiscoConfig::FUNCS,
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%SNMP::Info::CiscoQOS::FUNCS,
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%SNMP::Info::CiscoRTT::FUNCS,
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%SNMP::Info::CiscoStats::FUNCS,
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%SNMP::Info::CDP::FUNCS,
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%SNMP::Info::LLDP::FUNCS,
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%SNMP::Info::CiscoVTP::FUNCS,
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# CISCO-EIGRP-MIB::cEigrpPeerTable
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'c_eigrp_peer_types' => 'cEigrpPeerAddrType',
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'c_eigrp_peers' => 'cEigrpPeerAddr',
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);
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%MUNGE = (
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%SNMP::Info::Layer3::MUNGE, %SNMP::Info::CiscoStpExtensions::MUNGE,
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%SNMP::Info::CiscoPower::MUNGE, %SNMP::Info::CiscoConfig::MUNGE,
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%SNMP::Info::CiscoQOS::MUNGE, %SNMP::Info::CiscoRTT::MUNGE,
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%SNMP::Info::CiscoStats::MUNGE, %SNMP::Info::CDP::MUNGE,
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%SNMP::Info::LLDP::MUNGE, %SNMP::Info::CiscoVTP::MUNGE,
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);
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sub i_vlan {
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my $cisco = shift;
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my $partial = shift;
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my $i_type = $cisco->i_type($partial);
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my $i_descr = $cisco->i_description($partial);
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my $i_vlan = $cisco->SUPER::i_vlan($partial);
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foreach my $idx ( keys %$i_descr ) {
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next unless $i_type->{$idx};
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if ( $i_type->{$idx} eq 'l2vlan'
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|| $i_type->{$idx} eq '135' && !defined $i_vlan->{$idx} )
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{
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# Not sure where this regex came from, anchored at end?
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if ( $i_descr->{$idx} =~ /\.(\d+)$/ ) {
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$i_vlan->{$idx} = $1;
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}
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# This matches 101 in 'Ethernet0.101-802.1Q vLAN subif'
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elsif ( $i_descr->{$idx} =~ /\.(\d+)-/ ) {
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$i_vlan->{$idx} = $1;
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}
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}
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}
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return $i_vlan;
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}
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sub cisco_comm_indexing {
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my $cisco = shift;
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# If we get a VTP version, it's *extremely* likely that the device needs
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# community based indexing
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my $vtp = $cisco->vtp_version() || '0';
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return $vtp ? 1 : 0;
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}
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sub eigrp_peers {
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my $cisco = shift;
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my $peers = $cisco->c_eigrp_peers() || {};
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my $types = $cisco->c_eigrp_peer_types() || {};
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my %eigrp_peers;
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foreach my $idx ( keys %$peers ) {
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my $type = $types->{$idx};
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next unless $type;
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my $peer = $peers->{$idx};
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next unless $peer;
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my $ip = NetAddr::IP::Lite->new($peer);
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if ($ip) {
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$eigrp_peers{$idx} = $ip->addr;
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}
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elsif ( $type eq 'ipv4' ) {
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$eigrp_peers{$idx} = SNMP::Info::munge_ip($peer);
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}
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next;
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}
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return \%eigrp_peers;
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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::Cisco - SNMP Interface to L3 and L2+L3 IOS Cisco Device
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that are not covered in other classes and the base L3 Cisco class for other
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device specific L3 Cisco classes.
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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 $cisco = new SNMP::Info(
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AutoSpecify => 1,
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Debug => 1,
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# These arguments are passed directly 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 = $cisco->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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Subclass for Generic Cisco Routers running IOS and the base L3 Cisco class
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for other device specific L3 Cisco classes.
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=head2 Inherited Classes
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=over
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=item SNMP::Info::CiscoVTP
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=item SNMP::Info::LLDP
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=item SNMP::Info::CDP
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=item SNMP::Info::CiscoStats
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=item SNMP::Info::CiscoRTT
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=item SNMP::Info::CiscoQOS
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=item SNMP::Info::CiscoConfig
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=item SNMP::Info::Power
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=item SNMP::Info::CiscoStpExtensions
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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<CISCO-EIGRP-MIB>
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=item Inherited Classes' MIBs
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See L<SNMP::Info::CiscoVTP/"Required MIBs"> for its own MIB requirements.
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See L<SNMP::Info::LLDP/"Required MIBs"> for its own MIB requirements.
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See L<SNMP::Info::CDP/"Required MIBs"> for its own MIB requirements.
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See L<SNMP::Info::CiscoStats/"Required MIBs"> for its own MIB requirements.
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See L<SNMP::Info::CiscoRTT/"Required MIBs"> for its own MIB requirements.
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See L<SNMP::Info::CiscoQOS/"Required MIBs"> for its own MIB requirements.
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See L<SNMP::Info::CiscoConfig/"Required MIBs"> for its own MIB requirements.
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See L<SNMP::Info::CiscoPower/"Required MIBs"> for its own MIB requirements.
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See L<SNMP::Info::CiscoStpExtensions/"Required MIBs"> for its own MIB requirements.
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See L<SNMP::Info::Layer3/"Required MIBs"> 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 $cisco->eigrp_id()
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(C<cEigrpAsRouterId>)
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=item $switch->cisco_comm_indexing()
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Returns 1 when the device is likely to need vlan indexing.
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Determined by checking C<vtpVersion>.
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=back
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=head2 Global Methods imported from SNMP::Info::CiscoVTP
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See documentation in L<SNMP::Info::CiscoVTP/"GLOBALS"> for details.
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=head2 Globals imported from SNMP::Info::LLDP
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See documentation in L<SNMP::Info::LLDP/"GLOBALS"> for details.
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=head2 Globals imported from SNMP::Info::CDP
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See documentation in L<SNMP::Info::CDP/"GLOBALS"> for details.
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=head2 Globals imported from SNMP::Info::CiscoStats
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See documentation in L<SNMP::Info::CiscoStats/"GLOBALS"> for details.
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=head2 Globals imported from SNMP::Info::CiscoRTT
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See documentation in L<SNMP::Info::CiscoRTT/"GLOBALS"> for details.
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=head2 Globals imported from SNMP::Info::CiscoQOS
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See documentation in L<SNMP::Info::CiscoQOS/"GLOBALS"> for details.
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=head2 Globals imported from SNMP::Info::CiscoConfig
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See documentation in L<SNMP::Info::CiscoConfig/"GLOBALS"> for details.
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=head2 Globals imported from SNMP::Info::CiscoPower
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See documentation in L<SNMP::Info::CiscoPower/"GLOBALS"> for details.
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=head2 Globals imported from SNMP::Info::CiscoStpExtensions
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See documentation in L<SNMP::Info::CiscoStpExtensions/"GLOBALS"> for details.
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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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=over
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=item $cisco->eigrp_peers()
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Returns EIGRP peer IP addresses
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(C<cEigrpPeerAddr>)
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=item $cisco->i_vlan()
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Returns a mapping between C<ifIndex> and the PVID or default VLAN.
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=back
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=head2 Table Methods imported from SNMP::Info::CiscoVTP
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See documentation in L<SNMP::Info::CiscoVTP/"TABLE METHODS"> for details.
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=head2 Table Methods imported from SNMP::Info::LLDP
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See documentation in L<SNMP::Info::LLDP/"TABLE METHODS"> for details.
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=head2 Table Methods imported from SNMP::Info::CDP
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See documentation in L<SNMP::Info::CDP/"TABLE METHODS"> for details.
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=head2 Table Methods imported from SNMP::Info::CiscoStats
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See documentation in L<SNMP::Info::CiscoStats/"TABLE METHODS"> for details.
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=head2 Table Methods imported from SNMP::Info::CiscoRTT
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See documentation in L<SNMP::Info::CiscoRTT/"TABLE METHODS"> for details.
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=head2 Table Methods imported from SNMP::Info::CiscoQOS
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See documentation in L<SNMP::Info::CiscoQOS/"TABLE METHODS"> for details.
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=head2 Table Methods imported from SNMP::Info::CiscoConfig
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See documentation in L<SNMP::Info::CiscoConfig/"TABLE METHODS"> for details.
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=head2 Table Methods imported from SNMP::Info::CiscoPower
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See documentation in L<SNMP::Info::CiscoPower/"TABLE METHODS"> for details.
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=head2 Table Methods imported from SNMP::Info::CiscoStpExtensions
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See documentation in L<SNMP::Info::CiscoStpExtensions/"TABLE METHODS"> for details.
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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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