411 lines
10 KiB
Perl
411 lines
10 KiB
Perl
# SNMP::Info::Layer2::C2900
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# $Id$
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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::C2900;
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use strict;
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use Exporter;
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use SNMP::Info::Layer2::Cisco;
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@SNMP::Info::Layer2::C2900::ISA = qw/SNMP::Info::Layer2::Cisco Exporter/;
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@SNMP::Info::Layer2::C2900::EXPORT_OK = qw//;
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use vars qw/$VERSION %FUNCS %GLOBALS %MIBS %MUNGE/;
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$VERSION = '3.32';
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%GLOBALS = (
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%SNMP::Info::Layer2::Cisco::GLOBALS,
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);
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%FUNCS = (
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%SNMP::Info::Layer2::Cisco::FUNCS,
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'i_name' => 'ifAlias',
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# C2900PortEntry
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'c2900_p_index' => 'c2900PortIfIndex',
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'c2900_p_duplex' => 'c2900PortDuplexStatus',
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'c2900_p_duplex_admin' => 'c2900PortDuplexState',
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'c2900_p_speed_admin' => 'c2900PortAdminSpeed',
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);
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%MIBS = (
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%SNMP::Info::Layer2::Cisco::MIBS,
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'CISCO-C2900-MIB' => 'ciscoC2900MIB',
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);
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%MUNGE = (
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%SNMP::Info::Layer2::Cisco::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 cisco_comm_indexing {
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return 1;
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}
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sub i_duplex {
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my $c2900 = shift;
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my $partial = shift;
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my $interfaces = $c2900->interfaces($partial);
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my $c2900_p_index = $c2900->c2900_p_index() || {};
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my $c2900_p_duplex = $c2900->c2900_p_duplex();
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my %reverse_2900 = reverse %$c2900_p_index;
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my %i_duplex;
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foreach my $if ( keys %$interfaces ) {
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my $port_2900 = $reverse_2900{$if};
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next unless defined $port_2900;
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my $duplex = $c2900_p_duplex->{$port_2900};
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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 $c2900 = shift;
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my $partial = shift;
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my $interfaces = $c2900->interfaces($partial);
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my $c2900_p_index = $c2900->c2900_p_index() || {};
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my $c2900_p_admin = $c2900->c2900_p_duplex_admin();
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my %reverse_2900 = reverse %$c2900_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_2900 = $reverse_2900{$if};
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next unless defined $port_2900;
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my $duplex = $c2900_p_admin->{$port_2900};
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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 $duplex =~ /full/i;
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$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_speed_admin {
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my $c2900 = shift;
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my $partial = shift;
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my %i_speed_admin;
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my $p_port = $c2900->p_port() || {};
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my $interfaces = $c2900->interfaces($partial);
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my $c2900_p_index = $c2900->c2900_p_index() || {};
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my %reverse_2900 = reverse %$c2900_p_index;
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my $c2900_p_speed
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= $c2900->c2900_p_speed_admin( $reverse_2900{$partial} );
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my %speeds = (
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'autoDetect' => 'auto',
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's10000000' => '10 Mbps',
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's100000000' => '100 Mbps',
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);
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%i_speed_admin
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= map { $c2900_p_index->{$_} => $speeds{ $c2900_p_speed->{$_} } }
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keys %$c2900_p_index;
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return \%i_speed_admin;
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}
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sub set_i_speed_admin {
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my $c2900 = shift;
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my ( $speed, $iid ) = @_;
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# map speeds to those the switch will understand
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my %speeds = qw/auto 1 10 10000000 100 100000000/;
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my $c2900_p_index = $c2900->c2900_p_index() || {};
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my %reverse_2900 = reverse %$c2900_p_index;
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$speed = lc($speed);
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return unless defined $speeds{$speed};
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# account for weirdness of c2900 mib
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$iid = $reverse_2900{$iid};
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return $c2900->set_c2900_p_speed_admin( $speeds{$speed}, $iid );
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}
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sub set_i_duplex_admin {
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my $c2900 = shift;
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my ( $duplex, $iid ) = @_;
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# map a textual duplex to an integer one the switch understands
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my %duplexes = qw/full 1 half 2 auto 3/;
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my $c2900_p_index = $c2900->c2900_p_index() || {};
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my %reverse_2900 = reverse %$c2900_p_index;
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$duplex = lc($duplex);
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return unless defined $duplexes{$duplex};
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# account for weirdness of c2900 mib
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$iid = $reverse_2900{$iid};
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return $c2900->set_c2900_p_duplex_admin( $duplexes{$duplex}, $iid );
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}
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# Use i_descritption for port key, cuz i_name can be manually entered.
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sub interfaces {
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my $c2900 = shift;
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my $partial = shift;
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my $interfaces = $c2900->i_index($partial) || {};
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my $i_descr = $c2900->i_description($partial) || {};
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my %if;
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foreach my $iid ( keys %$interfaces ) {
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my $port = $i_descr->{$iid};
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next unless defined $port;
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$port =~ s/\./\//g if ( $port =~ /\d+\.\d+$/ );
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$port =~ s/[^\d\/,()\w]+//gi;
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$if{$iid} = $port;
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}
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return \%if;
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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::C2900 - SNMP Interface to Cisco Catalyst 2900 Switches
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running IOS
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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 $c2900 = 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 = $c2900->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
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C2900 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 $c2900 = new SNMP::Info::Layer2::C2900(...);
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=head2 Inherited Classes
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=over
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=item SNMP::Info::Layer2::Cisco
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=back
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=head2 Required MIBs
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=over
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=item F<CISCO-C2900-MIB>
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Part of the v2 MIBs from Cisco.
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=back
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=head2 Inherited MIBs
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See L<SNMP::Info::Layer2::Cisco/"Required MIBs"> for its MIB requirements.
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=head1 GLOBALS
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These are methods that return scalar value from SNMP
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=head2 Overrides
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=over
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=item $c2900->vendor()
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Returns 'cisco' :)
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=item $c2900->cisco_comm_indexing()
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Returns 1. Use vlan indexing.
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=back
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=head2 Globals imported from SNMP::Info::Layer2::Cisco
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See L<SNMP::Info::Layer2::Cisco/"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 $c2900->interfaces()
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Returns reference to the map between IID and physical Port.
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On the 2900 devices i_name isn't reliable, so we override to just the
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description.
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Next all dots are changed for forward slashes so that the physical port name
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is the same as the broad-casted CDP port name.
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(Ethernet0.1 -> Ethernet0/1)
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Also, any weird characters are removed, as I saw a few pop up.
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=item $c2900->i_duplex()
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Returns reference to map of IIDs to current link duplex
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Crosses $c2900->c2900_p_index() with $c2900->c2900_p_duplex()
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=item $c2900->i_duplex_admin()
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Returns reference to hash of IIDs to admin duplex setting
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Crosses $c2900->c2900_p_index() with $c2900->c2900_p_duplex_admin()
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=item $c2900->i_speed_admin()
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Returns reference to hash of IIDs to admin speed setting.
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=back
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=head2 F<C2900-MIB> Port Entry Table
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=over
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=item $c2900->c2900_p_index()
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Maps the Switch Port Table to the IID
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(C<c2900PortIfIndex>)
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=item $c2900->c2900_p_duplex()
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Gives Port Duplex Info
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(C<c2900PortDuplexStatus>)
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=item $c2900->c2900_p_duplex_admin()
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Gives admin setting for Duplex Info
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(C<c2900PortDuplexState>)
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=item $c2900->c2900_p_speed_admin()
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Gives Admin speed of port
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(C<c2900PortAdminSpeed>)
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=back
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=head2 Table Methods imported from SNMP::Info::Layer2::Cisco
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See L<SNMP::Info::Layer2::Cisco/"TABLE METHODS"> for details.
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=head1 SET METHODS
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These are methods that provide SNMP set functionality for overridden methods
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or provide a simpler interface to complex set operations. See
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L<SNMP::Info/"SETTING DATA VIA SNMP"> for general information on set
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operations.
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=over
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=item $c2900->set_i_speed_admin(speed, ifIndex)
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Sets port speed, must be supplied with speed and port C<ifIndex>
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Speed choices are 'auto', '10', '100'
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Crosses $c2900->c2900_p_index() with $c2900->c2900_p_speed_admin() to utilize
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port C<ifIndex>.
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Example:
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my %if_map = reverse %{$c2900->interfaces()};
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$c2900->set_i_speed_admin('auto', $if_map{'FastEthernet0/1'})
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or die "Couldn't change port speed. ",$c2900->error(1);
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=item $c2900->set_i_duplex_admin(duplex, ifIndex)
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Sets port duplex, must be supplied with duplex and port C<ifIndex>
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Speed choices are 'auto', 'half', 'full'
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Crosses $c2900->c2900_p_index() with $c2900->c2900_p_duplex_admin() to utilize
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port C<ifIndex>.
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Example:
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my %if_map = reverse %{$c2900->interfaces()};
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$c2900->set_i_duplex_admin('auto', $if_map{'FastEthernet0/1'})
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or die "Couldn't change port duplex. ",$c2900->error(1);
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=back
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=cut
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