Initial Import. Ver 0.1
This commit is contained in:
Max Baker
508
Info/Layer2/Catalyst.pm
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508
Info/Layer2/Catalyst.pm
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# SNMP::Info::Layer2::Catalyst
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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::Layer2::Catalyst;
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$VERSION = 0.1;
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use strict;
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use Exporter;
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use SNMP::Info::Layer2;
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use vars qw/$VERSION $DEBUG %GLOBALS %MIBS %FUNCS %PORTSTAT
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%MYGLOBALS %MYMIBS %MYFUNCS %MYMUNGE %MUNGE $INIT/ ;
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@SNMP::Info::Layer2::Catalyst::ISA = qw/SNMP::Info::Layer2 Exporter/;
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@SNMP::Info::Layer2::Catalyst::EXPORT_OK = qw//;
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$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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%MYMIBS = (
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'CISCO-STACK-MIB' => 'moduleType',
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'CISCO-VTP-MIB' => 'vtpVlanIndex'
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);
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%MIBS = ( %SNMP::Info::Layer2::MIBS,
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%MYMIBS );
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%MYGLOBALS = (
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# these are in CISCO-STACK-MIB
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'sysip' => 'sysIpAddr',
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'netmask' => 'sysNetMask',
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'broadcast' => 'sysBroadcast',
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'serial' => 'chassisSerialNumberString',
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'model' => 'chassisModel',
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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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'slots' => 'chassisNumSlots',
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'fan' => 'chassisFanStatus'
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);
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%GLOBALS = (
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%SNMP::Info::Layer2::GLOBALS,
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%MYGLOBALS
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);
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%MYFUNCS = (
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'i_type2' => 'ifType',
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# CISCO-STACK-MIB::moduleEntry
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# These are blades in a catalyst device
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'm_type' => 'moduleType',
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'm_model' => 'moduleModel',
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'm_serial' => 'moduleSerialNumber',
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'm_status' => 'moduleStatus',
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'm_name' => 'moduleName',
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'm_ports' => 'moduleNumPorts',
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'm_ports_status' => 'modulePortStatus',
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'm_hwver' => 'moduleHwVersion',
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'm_fwver' => 'moduleFwVersion',
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'm_swver' => 'moduleSwVersion',
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# Router Blades :
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'm_ip' => 'moduleIPAddress',
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'm_sub1' => 'moduleSubType',
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'm_sub2' => 'moduleSubType2',
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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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%FUNCS = (
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%SNMP::Info::Layer2::FUNCS,
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%MYFUNCS
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);
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%MYMUNGE = (
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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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%MUNGE = (
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# Inherit all the built in munging
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%SNMP::Info::Layer2::MUNGE,
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%MYMUNGE
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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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# i_physical sets a hash entry as true if the iid is a physical port
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sub i_physical {
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my $cat = shift;
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my $p_port = $cat->p_port();
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my %i_physical;
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foreach my $port (keys %$p_port) {
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my $iid = $p_port->{$port};
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$i_physical{$iid} = 1;
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}
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return \%i_physical;
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}
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sub i_type {
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my $cat = shift;
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my $p_port = $cat->p_port();
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my $p_type = $cat->p_type();
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# Get more generic port types from IF-MIB
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my $i_type = $cat->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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# p_* functions are indexed to physical port. let's index these
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# to snmp iid
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sub i_name {
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my $cat = shift;
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my $p_port = $cat->p_port();
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my $p_name = $cat->p_name();
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my %i_name;
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foreach my $port (keys %$p_name) {
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my $iid = $p_port->{$port};
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$i_name{$iid} = $p_name->{$port};
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}
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return \%i_name;
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}
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sub i_duplex {
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my $cat = shift;
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my $p_port = $cat->p_port();
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my $p_duplex = $cat->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 $cat = shift;
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my $p_port = $cat->p_port();
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my $p_duplex_admin = $cat->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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# $cat->interfaces() - Maps the ifIndex table to a physical port
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sub interfaces {
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my $self = shift;
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my $interfaces = $self->i_index();
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my $portnames = $self->p_port();
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my %portmap = reverse %$portnames;
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my %interfaces = ();
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foreach my $iid (keys %$interfaces) {
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my $if = $interfaces->{$iid};
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$interfaces{$if} = $portmap{$iid};
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}
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return \%interfaces;
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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::Layer2::Catalyst - Perl5 Interface to Cisco devices running Catalyst OS
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=head1 DESCRIPTION
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Provides abstraction to the configuration information obtainable from a
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Catalyst device through SNMP. Information is stored in a number of
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MIB's such as IF-MIB, CISCO-CDP-MIB, CISCO-STACK-MIB, CISCO-VTP-MIB,
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and 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 $cat = new SNMP::Info::Layer2::Catalyst(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::Layer2::Catalyst()
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Arguments passed to new() are passed on to SNMP::Session::new()
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my $cat = new SNMP::Info::Layer2::Catalyst(
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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 $cat;
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=item $cat->session()
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Sets or returns the SNMP::Session object
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# Get
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my $sess = $cat->session();
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# Set
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my $newsession = new SNMP::Session(...);
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$cat->session($newsession);
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=back
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=head1 GLOBAL Values
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=over
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=item $cat->netmask()
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(B<sysNetMask>)
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=item $cat->broadcast()
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(B<sysBroadcast>)
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=item $cat->serial()
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(B<chassisSerialNumberString>)
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=item $cat->model()
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(B<chassisModel>)
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=item $cat->ps1_type()
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(B<chassisPs1Type>)
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=item $cat->ps2_type()
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(B<chassisPs2Type>)
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=item $cat->ps1_status()
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(B<chassisPs1Status>)
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=item $cat->ps2_status()
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(B<chassisPs2Status>)
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=item $cat->slots()
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(B<chassisNumSlots>)
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=item $cat->fan()
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(B<chassisFanStatus>)
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=item $cat->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 $cat->interfaces()
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Crosses p_port() with i_index() to get physical names.
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=item $cat->i_physical()
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Returns a map to IID for ports that are physical ports, not vlans, etc.
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=item $cat->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 $cat->i_name()
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Crosses p_name with p_port and returns results.
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=item $cat->i_duplex()
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Crosses p_duplex with p_port and returns results.
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=item $cat->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 Module table
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This table holds configuration information for each of the blades installed in
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the Catalyst device.
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=over
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=item $cat->m_type()
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(B<moduleType>)
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=item $cat->m_model()
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(B<moduleModel>)
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=item $cat->m_serial()
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(B<moduleSerialNumber>)
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=item $cat->m_status()
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(B<moduleStatus>)
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=item $cat->m_name()
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(B<moduleName>)
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=item $cat->m_ports()
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(B<moduleNumPorts>)
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=item $cat->m_ports_status()
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Returns a list of space separated status strings for the ports.
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To see the status of port 4 :
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@ports_status = split(' ', $cat->m_ports_status() );
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$port4 = $ports_status[3];
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(B<modulePortStatus>)
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=item $cat->m_ports_hwver()
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(B<moduleHwVersion>)
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=item $cat->m_ports_fwver()
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(B<moduleFwVersion>)
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=item $cat->m_ports_swver()
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(B<moduleSwVersion>)
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=item $cat->m_ports_ip()
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(B<moduleIPAddress>)
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=item $cat->m_ports_sub1()
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(B<moduleSubType>)
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=item $cat->m_ports_sub2()
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(B<moduleSubType2>)
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=back
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=head2 Modules - Router Blades
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=over
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=item $cat->m_ip()
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(B<moduleIPAddress>)
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=item $cat->m_sub1()
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(B<moduleSubType>)
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=item $cat->m_sub2()
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(B<moduleSubType2>)
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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 $cat->p_name()
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(B<portName>)
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=item $cat->p_type()
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(B<portType>)
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=item $cat->p_status()
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(B<portOperStatus>)
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=item $cat->p_status2()
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(B<portAdditionalStatus>)
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=item $cat->p_speed()
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(B<portAdminSpeed>)
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=item $cat->p_duplex()
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(B<portDuplex>)
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=item $cat->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 $cat->p_speed_admin()
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(B<portCpbSpeed>)
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=item $cat->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 $cat->v_state()
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(B<vtpVlanState>)
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=item $cat->v_type()
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(B<vtpVlanType>)
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=item $cat->v_name()
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(B<vtpVlanName>)
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=item $cat->v_mtu()
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(B<vtpVlanMtu>)
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=back
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=cut
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Reference in New Issue
Block a user