493 lines
12 KiB
Perl
493 lines
12 KiB
Perl
# SNMP::Info::Layer2::Bay
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# $Id$
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# This module depricated. See Layer2::BayStack
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#
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# Copyright (c) 2008 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
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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::Layer2::Bay;
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use strict;
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use Exporter;
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use SNMP::Info::Layer2;
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@SNMP::Info::Layer2::Bay::ISA = qw/SNMP::Info::Layer2 Exporter/;
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@SNMP::Info::Layer2::Bay::EXPORT_OK = qw//;
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use vars qw/$VERSION %FUNCS %GLOBALS %MIBS %MUNGE/;
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$VERSION = '2.07_001';
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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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'cdp_id' => 's5EnMsTopIpAddr',
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'cdp_run' => 's5EnMsTopStatus',
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);
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%FUNCS = (
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%SNMP::Info::Layer2::FUNCS,
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'imac2' => 'ifPhysAddress',
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# S5-ETH-MULTISEG-TOPOLOGY-MIB::s5EnMsTopNmmTable
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'bay_topo_slot' => 's5EnMsTopNmmSlot',
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'bay_topo_port' => 's5EnMsTopNmmPort',
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'bay_topo_ip' => 's5EnMsTopNmmIpAddr',
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'bay_topo_seg' => 's5EnMsTopNmmSegId',
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'bay_topo_mac' => 's5EnMsTopNmmMacAddr',
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'bay_topo_platform' => 's5EnMsTopNmmChassisType',
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'bay_topo_localseg' => 's5EnMsTopNmmLocalSeg',
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);
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%MIBS = (
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%SNMP::Info::Layer2::MIBS,
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'SYNOPTICS-ROOT-MIB' => 'synoptics',
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'S5-ETH-MULTISEG-TOPOLOGY-MIB' => 's5EnMsTop'
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);
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delete $MIBS{'CISCO-CDP-MIB'};
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# 450's report full duplex as speed = 20mbps?!
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$SNMP::Info::SPEED_MAP{20_000_000} = '10 Mbps';
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$SNMP::Info::SPEED_MAP{200_000_000} = '100 Mbps';
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%MUNGE = ( %SNMP::Info::Layer2::MUNGE, 'i_mac2' => \&SNMP::Info::munge_mac, );
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sub os {
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return 'bay';
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}
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sub os_ver {
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my $bay = shift;
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my $descr = $bay->description();
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return unless defined $descr;
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# 303 / 304
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if ( $descr =~ m/Rev: \d+\.\d+\.\d+\.\d+-(\d+\.\d+\.\d+\.\d+)/ ) {
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return $1;
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}
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# 450
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if ( $descr =~ m/SW:v(\d+\.\d+\.\d+\.\d+)/ ) {
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return $1;
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}
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return;
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}
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sub os_bin {
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my $bay = shift;
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my $descr = $bay->description();
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return unless defined $descr;
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# 303 / 304
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if ( $descr =~ m/Rev: \d+\.(\d+\.\d+\.\d+)-\d+\.\d+\.\d+\.\d+/ ) {
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return $1;
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}
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# 450
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if ( $descr =~ m/FW:v(\d+\.\d+\.\d+\.\d+)/ ) {
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return $1;
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}
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return;
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}
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sub vendor {
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# or nortel, or synopsis?
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return 'bay';
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}
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sub i_ignore {
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my $bay = shift;
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my $descr = $bay->description();
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my $i_type = $bay->i_type();
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my %i_ignore;
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foreach my $if ( keys %$i_type ) {
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my $type = $i_type->{$if};
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$i_ignore{$if}++ if $type =~ /(loopback|propvirtual|cpu)/i;
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}
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return \%i_ignore;
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}
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sub interfaces {
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my $bay = shift;
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my $i_index = $bay->i_index();
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return $i_index;
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}
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sub i_mac {
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my $bay = shift;
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my $i_mac = $bay->i_mac2();
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# Bay 303's with a hw rev < 2.11.4.5 report the mac as all zeros
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foreach my $iid ( keys %$i_mac ) {
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my $mac = $i_mac->{$iid};
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delete $i_mac->{$iid} if $mac eq '00:00:00:00:00:00';
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}
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return $i_mac;
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}
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sub model {
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my $bay = shift;
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my $id = $bay->id();
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return unless defined $id;
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my $model = &SNMP::translateObj($id);
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return $id unless defined $model;
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$model =~ s/^sreg-//i;
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my $descr = $bay->description();
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return '303' if ( $descr =~ /\D303\D/ );
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return '304' if ( $descr =~ /\D304\D/ );
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return '450' if ( $model =~ /BayStack450/ );
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return $model;
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}
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# Hack in some CDP type stuff
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sub c_if {
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my $bay = shift;
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my $bay_topo_port = $bay->bay_topo_port();
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my %c_if;
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foreach my $entry ( keys %$bay_topo_port ) {
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my $port = $bay_topo_port->{$entry};
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next unless defined $port;
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next if $port == 0;
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$c_if{"$port.1"} = $port;
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}
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return \%c_if;
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}
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sub c_ip {
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my $bay = shift;
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my $bay_topo_ip = $bay->bay_topo_ip();
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my $bay_topo_port = $bay->bay_topo_port();
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my $ip = $bay->cdp_ip();
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# Count the number of devices seen on each port.
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# more than one device seen means connected to a non-bay
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# device, but other bay devices are squawking further away.
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my %ip_port;
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foreach my $entry ( keys %$bay_topo_ip ) {
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my $port = $bay_topo_port->{$entry};
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next unless defined $port;
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next if ( $port =~ /^[\d\.]+$/ and $port == 0 );
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my $ip = $bay_topo_ip->{$entry};
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push( @{ $ip_port{$port} }, $ip );
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}
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my %c_ip;
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foreach my $port ( keys %ip_port ) {
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my $ips = $ip_port{$port};
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if ( scalar @$ips == 1 ) {
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$c_ip{"$port.1"} = $ips->[0];
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}
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else {
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$c_ip{"$port.1"} = $ips;
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}
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}
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return \%c_ip;
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}
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sub c_port {
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my $bay = shift;
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my $bay_topo_port = $bay->bay_topo_port();
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my $bay_topo_seg = $bay->bay_topo_seg();
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my %c_port;
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foreach my $entry ( keys %$bay_topo_seg ) {
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my $port = $bay_topo_port->{$entry};
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next unless defined $port;
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next if $port == 0;
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# For fake remotes (multiple IPs for a c_ip), use first found
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next if defined $c_port{"$port.1"};
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my $seg = $bay_topo_seg->{$entry};
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# Segment id is (256 * remote slot_num) + (remote_port)
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my $remote_port = $seg % 256;
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$c_port{"$port.1"} = $remote_port;
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}
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return \%c_port;
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}
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sub c_platform {
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my $bay = shift;
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my $bay_topo_port = $bay->bay_topo_port();
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my $bay_topo_platform = $bay->bay_topo_platform();
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my %c_platform;
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foreach my $entry ( keys %$bay_topo_platform ) {
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my $port = $bay_topo_port->{$entry} || 0;
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next if $port == 0;
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# For fake remotes (multiple IPs for a c_ip), use first found
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next if defined $c_platform{"$port.1"};
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my $platform = $bay_topo_platform->{$entry};
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$c_platform{"$port.1"} = $platform;
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}
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return \%c_platform;
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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::Bay - SNMP Interface to old Bay Network BayStack Switches
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=head1 AUTHOR
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Max Baker
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=head1 SYNOPSIS
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This module is Deprecated. Please use Layer2::BayStack instead.
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=head1 DESCRIPTION
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Provides abstraction to the configuration information obtainable from a
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Bay device through SNMP.
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For speed or debugging purposes you can call the subclass directly, but not
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after determining a more specific class using the method above.
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my $bay = new SNMP::Info::Layer2::Bay(...);
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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 F<SYNOPTICS-ROOT-MIB>
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=item F<S5-ETH-MULTISEG-TOPOLOGY-MIB>
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=item Inherited classes
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MIBs required by L<SNMP::Info::Layer2/"Required MIBs"> and its superclasses.
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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 $bay->vendor()
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Returns 'bay' :)
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=item $bay->model()
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Cross references $bay->id() to the F<SYNOPTICS-MIB> and returns
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the results. 303s and 304s have the same ID, so we have a hack
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to return depending on which it is.
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Removes C<sreg-> from the model name
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=item $baystack->os()
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Returns 'bay'.
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=item $bay->os_ver()
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Returns the os version extracted from C<sysDescr>.
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=item $bay->os_bin()
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Returns the firmware version extracted from C<sysDescr>.
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=item $bay->cdp_id()
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Returns the IP that the device is sending out for its Nmm topology info.
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(C<s5EnMsTopIpAddr>)
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=item $bay->cdp_run()
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Returns if the F<S5-ETH-MULTISEG-TOPOLOGY> info is on for this device.
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(C<s5EnMsTopStatus>)
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=back
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=head2 Globals imported from SNMP::Info::Layer2
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See documentation in L<SNMP::Info::Layer2/"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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=head2 Overrides
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=over
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=item $bay->interfaces()
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Returns reference to map of IIDs to physical ports.
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Currently simply returns the C<ifIndex>
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=item $bay->i_ignore()
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Returns reference to hash of IIDs to ignore.
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Simply calls the SNMP::Info::Layer2::i_ignore() for this.
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=item $bay->i_mac()
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Returns the C<ifPhysAddress> table entries.
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Removes all entries matching '00:00:00:00:00:00' -- Certain
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older revisions of Bay 303 and 304 firmware report all zeros
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for each port mac.
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=back
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=head2 Pseudo CDP information
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All entries with port=0 are local and ignored.
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=over
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=item $bay->c_if()
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Returns reference to hash. Key: port.1 Value: port (iid)
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=item $bay->c_ip()
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Returns reference to hash. Key: port.1
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The value of each hash entry can either be a scalar or an array.
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A scalar value is most likely a direct neighbor to that port.
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It is possible that there is a non-bay device in between this device and the
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remote device.
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An array value represents a list of seen devices. The only time you will get
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an array of neighbors, is if there is a non-bay device in between two or more
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devices.
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Use the data from the Layer2 Topology Table below to dig deeper.
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=item $bay->c_port()
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Returns reference to hash. Key: IID, Value: Remote port (interfaces)
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=item $bay->c_platform()
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Returns reference to hash. Key: IID, Value: Remote device type
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=item $bay->port()
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Returns reference to hash. Key: port.1 Value: port
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=item $bay->platform()
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Returns reference to hash. Key: port.1 Value: Remote Device Type
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=back
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=head2 Layer2 Topology info (C<s5EnMsTopNmmTable>)
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=over
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=item $bay->bay_topo_slot()
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Returns reference to hash. Key: Table entry, Value:slot number
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(C<s5EnMsTopNmmSlot>)
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=item $bay->bay_topo_port()
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Returns reference to hash. Key: Table entry, Value:Port Number
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(interface iid)
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(C<s5EnMsTopNmmPort>)
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=item $bay->bay_topo_ip()
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Returns reference to hash. Key: Table entry, Value:Remote IP address of entry
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(C<s5EnMsTopNmmIpAddr>)
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=item $bay->bay_topo_seg()
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Returns reference to hash. Key: Table entry, Value:Remote Segment ID
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(C<s5EnMsTopNmmSegId>)
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=item $bay->bay_topo_mac
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(C<s5EnMsTopNmmMacAddr>)
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Returns reference to hash. Key: Table entry, Value:Remote MAC address
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=item $bay->bay_topo_platform
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Returns reference to hash. Key: Table entry, Value:Remote Device Type
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(C<s5EnMsTopNmmChassisType>)
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=item $bay->bay_topo_localseg
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Returns reference to hash. Key: Table entry, Value:Boolean, if bay_topo_seg()
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is local
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(C<s5EnMsTopNmmLocalSeg>)
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=back
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=head2 Table Methods imported from SNMP::Info::Layer2
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See documentation in L<SNMP::Info::Layer2/"TABLE METHODS"> for details.
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=cut
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