SNMP::Info::Layer3::Enterasys - SNMP Interface to Enterasys Network Devices

 # Let SNMP::Info determine the correct subclass for you. 
 my $enterasys = new SNMP::Info(
                          AutoSpecify => 1,
                          Debug       => 1,
                          DestHost    => 'myswitch',
                          Community   => 'public',
                          Version     => 1
                        ) 
    or die "Can't connect to DestHost.\n";

 my $class = $enterasys->class();

 print "SNMP::Info determined this device to fall under subclass : $class\n";

# SNMP::Info::Layer3::Enterasys - SNMP Interface to Enterasys devices
# $Id$
#
# Copyright (c) 2008 Eric Miller
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#     * Redistributions of source code must retain the above copyright notice,
#       this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#     * Neither the name of the University of California, Santa Cruz nor the
#       names of its contributors may be used to endorse or promote products
#       derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

package SNMP::Info::Layer3::Enterasys;

use strict;
use Exporter;
use SNMP::Info::MAU;
use SNMP::Info::LLDP;
use SNMP::Info::CDP;
use SNMP::Info::Layer3;

@SNMP::Info::Layer3::Enterasys::ISA = qw/SNMP::Info::MAU SNMP::Info::LLDP
    SNMP::Info::CDP SNMP::Info::Layer3
    Exporter/;
@SNMP::Info::Layer3::Enterasys::EXPORT_OK = qw//;

use vars qw/$VERSION $DEBUG %GLOBALS %FUNCS $INIT %MIBS %MUNGE/;

$VERSION = '2.05';

%MIBS = (
    %SNMP::Info::Layer3::MIBS, %SNMP::Info::CDP::MIBS,
    %SNMP::Info::LLDP::MIBS, %SNMP::Info::MAU::MIBS,
    'ENTERASYS-OIDS-MIB' => 'etsysOidDevice',
);

%GLOBALS = (
    %SNMP::Info::Layer3::GLOBALS, %SNMP::Info::CDP::GLOBALS,
    %SNMP::Info::LLDP::GLOBALS,   %SNMP::Info::MAU::GLOBALS,
    'mac' => 'dot1dBaseBridgeAddress',
);

%FUNCS = (
    %SNMP::Info::Layer3::FUNCS, %SNMP::Info::CDP::FUNCS,
    %SNMP::Info::LLDP::FUNCS,   %SNMP::Info::MAU::FUNCS,
);

%MUNGE = (
    %SNMP::Info::Layer3::MUNGE, %SNMP::Info::CDP::MUNGE,
    %SNMP::Info::LLDP::MUNGE,   %SNMP::Info::MAU::MUNGE,
);

sub model {
    my $enterasys = shift;
    my $id        = $enterasys->id();

    unless ( defined $id ) {
        print
            " SNMP::Info::Layer3::Enterasys::model() - Device does not support sysObjectID\n"
            if $enterasys->debug();
        return;
    }

    my $model = &SNMP::translateObj($id);

    $model =~ s/^etsysOidDev//i;
    $model =~ s/^etsysOidPhy//i;
    return $id unless defined $model;

    return $model;
}

sub vendor {
    return 'enterasys';
}

sub os {
    return 'enterasys';
}

sub os_ver {
    my $enterasys = shift;
    my $descr     = $enterasys->description();
    return unless defined $descr;

    if ( $descr =~ m/\bRev ([\d.]*)/ ) {
        return $1;
    }

    return;
}

# Use ifName as it is used for CDP and LLDP.
sub interfaces {
    my $enterasys = shift;
    my $partial   = shift;

    #  We need the original ifName, SUPER:: would give us a method definition
    #  in a higher class, we could use orig_ but just call the MIB leaf since
    #  that's what we really want anyway.
    return $enterasys->ifName($partial)
        || $enterasys->i_description($partial);
}

sub i_ignore {
    my $enterasys = shift;
    my $partial   = shift;

    my $interfaces = $enterasys->i_type($partial) || {};

    my %i_ignore;
    foreach my $if ( keys %$interfaces ) {
        if ( $interfaces->{$if} =~ /(rs232|tunnel|loopback|\blo\b|null)/i ) {
            $i_ignore{$if}++;
        }
    }
    return \%i_ignore;
}

sub i_duplex {
    my $enterasys = shift;
    my $partial   = shift;

    return $enterasys->mau_i_duplex($partial);
}

sub i_duplex_admin {
    my $enterasys = shift;
    my $partial   = shift;

    return $enterasys->mau_i_duplex_admin($partial);
}

# Normal BRIDGE-MIB has issues on some devices, duplicates and
# non-increasing oids, Use Q-BRIDGE-MIB for macsuck
sub fw_mac {
    my $enterasys = shift;
    my $partial   = shift;

    return $enterasys->qb_fw_mac($partial);
}

sub fw_port {
    my $enterasys = shift;
    my $partial   = shift;

    return $enterasys->qb_fw_port($partial);
}

#  Use CDP and/or LLDP
#
#  LLDP table timefilter implementation continuously increments when walked
#  and we may never reach the end of the table.  This behavior can be
#  modified with the "set snmp timefilter break disable" command,
#  unfortunately it is not the default.  Query with a partial value of zero
#  which means no time filter.

sub hasCDP {
    my $enterasys = shift;

    return $enterasys->hasLLDP() || $enterasys->SUPER::hasCDP();
}

sub c_ip {
    my $enterasys = shift;
    my $partial   = shift;

    my $cdp  = $enterasys->SUPER::c_ip($partial) || {};
    my $lldp = $enterasys->lldp_ip(0)            || {};

    my %c_ip;
    foreach my $iid ( keys %$cdp ) {
        my $ip = $cdp->{$iid};
        next unless defined $ip;

        $c_ip{$iid} = $ip;
    }

    foreach my $iid ( keys %$lldp ) {
        my $ip = $lldp->{$iid};
        next unless defined $ip;

        $c_ip{$iid} = $ip;
    }
    return \%c_ip;
}

sub c_if {
    my $enterasys = shift;
    my $partial   = shift;

    my $lldp = $enterasys->lldp_if(0)            || {};
    my $cdp  = $enterasys->SUPER::c_if($partial) || {};

    my %c_if;
    foreach my $iid ( keys %$cdp ) {
        my $if = $cdp->{$iid};
        next unless defined $if;

        $c_if{$iid} = $if;
    }

    foreach my $iid ( keys %$lldp ) {
        my $if = $lldp->{$iid};
        next unless defined $if;

        $c_if{$iid} = $if;
    }
    return \%c_if;
}

sub c_port {
    my $enterasys = shift;
    my $partial   = shift;

    my $lldp = $enterasys->lldp_port(0)            || {};
    my $cdp  = $enterasys->SUPER::c_port($partial) || {};

    my %c_port;
    foreach my $iid ( keys %$cdp ) {
        my $port = $cdp->{$iid};
        next unless defined $port;

        $c_port{$iid} = $port;
    }

    foreach my $iid ( keys %$lldp ) {
        my $port = $lldp->{$iid};
        next unless defined $port;

        $c_port{$iid} = $port;
    }
    return \%c_port;
}

sub c_id {
    my $enterasys = shift;
    my $partial   = shift;

    my $lldp = $enterasys->lldp_id(0)            || {};
    my $cdp  = $enterasys->SUPER::c_id($partial) || {};

    my %c_id;
    foreach my $iid ( keys %$cdp ) {
        my $id = $cdp->{$iid};
        next unless defined $id;

        $c_id{$iid} = $id;
    }

    foreach my $iid ( keys %$lldp ) {
        my $id = $lldp->{$iid};
        next unless defined $id;

        $c_id{$iid} = $id;
    }
    return \%c_id;
}

sub c_platform {
    my $enterasys = shift;
    my $partial   = shift;

    my $lldp = $enterasys->lldp_rem_sysdesc(0)         || {};
    my $cdp  = $enterasys->SUPER::c_platform($partial) || {};

    my %c_platform;
    foreach my $iid ( keys %$cdp ) {
        my $platform = $cdp->{$iid};
        next unless defined $platform;

        $c_platform{$iid} = $platform;
    }

    foreach my $iid ( keys %$lldp ) {
        my $platform = $lldp->{$iid};
        next unless defined $platform;

        $c_platform{$iid} = $platform;
    }
    return \%c_platform;
}

1;
__END__