465 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
			
		
		
	
	
			465 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
| # SNMP::Info::Layer3::Juniper
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| # $Id$
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| #
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| # Copyright (c) 2008 Bill Fenner
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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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| 
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| package SNMP::Info::Layer3::Juniper;
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| 
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| use strict;
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| use Exporter;
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| use SNMP::Info::Layer3;
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| use SNMP::Info::LLDP;
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| 
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| @SNMP::Info::Layer3::Juniper::ISA       = qw/SNMP::Info::Layer3 SNMP::Info::LLDP  Exporter/;
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| @SNMP::Info::Layer3::Juniper::EXPORT_OK = qw//;
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| 
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| use vars qw/$VERSION $DEBUG %GLOBALS %MIBS %FUNCS %MUNGE/;
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| 
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| $VERSION = '2.07';
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| 
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| %MIBS = (
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|     %SNMP::Info::Layer3::MIBS,
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|     %SNMP::Info::LLDP::MIBS,
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|     'JUNIPER-CHASSIS-DEFINES-MIB' => 'jnxChassisDefines',
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|     'JUNIPER-MIB'                 => 'jnxBoxAnatomy',
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|     'JUNIPER-VLAN-MIB'            => 'jnxVlanMIBObjects',
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| );
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| 
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| %GLOBALS = ( %SNMP::Info::Layer3::GLOBALS, 
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| 	     %SNMP::Info::LLDP::GLOBALS,
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| 	     'serial' => 'jnxBoxSerialNo.0', );
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| 
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| %FUNCS = ( %SNMP::Info::Layer3::FUNCS, 
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| 	   %SNMP::Info::LLDP::FUNCS,
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| 	   
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| 	   # JUNIPER-VLAN-MIB::jnxExVlanTable
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| 	   'v_index'    => 'jnxExVlanTag',
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| 	   'v_type'     => 'jnxExVlanType',
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| 	   'v_name'     => 'jnxExVlanName',
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| 	   
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| 	   # JUNIPER-VLAN-MIB::jnxExVlanPortGroupTable
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| 	   'i_trunk'    => 'jnxExVlanPortAccessMode',
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| );
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| 
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| %MUNGE = ( %SNMP::Info::Layer3::MUNGE, 
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| 	   %SNMP::Info::LLDP::MUNGE,
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| );
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| 
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| sub vendor {
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|     return 'juniper';
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| }
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| 
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| sub os {
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|     return 'junos';
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| }
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| 
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| sub os_ver {
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|     my $juniper = shift;
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|     my $descr   = $juniper->description();
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|     return unless defined $descr;
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| 
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|     if ( $descr =~ m/kernel JUNOS (\S+)/ ) {
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|         return $1;
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|     }
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|     return;
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| }
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| 
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| sub model {
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|     my $l3 = shift;
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|     my $id = $l3->id();
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| 
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|     unless ( defined $id ) {
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|         print
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|             " SNMP::Info::Layer3::Juniper::model() - Device does not support sysObjectID\n"
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|             if $l3->debug();
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|         return;
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|     }
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| 
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|     my $model = &SNMP::translateObj($id);
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| 
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|     return $id unless defined $model;
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| 
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|     $model =~ s/^jnxProductName//i;
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|     return $model;
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| }
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| 
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| # Override the fancy Layer3.pm serial function
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| sub serial {
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|     my $juniper = shift;
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|     return $juniper->orig_serial();
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| }
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| 
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| # 'i_trunk'    => 'jnxExVlanPortAccessMode',
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| sub i_trunk {
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|     my $juniper = shift;
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|     my $partial = shift;
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| 
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|     my $access  = $juniper->jnxExVlanPortAccessMode($partial);
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| 
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|     my %i_trunk;
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| 
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|     foreach (keys %$access)
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|     {
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| 	my $old_key = $_;
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| 	m/^\d+\.(\d+)$/o;
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| 	my $new_key = $1;
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| 	$i_trunk{$new_key} = $access->{$old_key};
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|     }
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| 
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|     return \%i_trunk;
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| }
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| 
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| # 'v_type'     => 'jnxExVlanType',
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| sub v_type {
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|     my $juniper = shift;
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|     my $partial = shift;
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| 
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|     my $v_type  = $juniper->jnxExVlanType($partial);
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| 
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|     return $v_type;
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| }
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| 
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| # 'v_index'    => 'jnxExVlanTag',
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| sub v_index {
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|     my ($juniper) = shift;
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|     my ($partial) = shift;
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| 
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|     my ($v_index)  = $juniper->jnxExVlanTag($partial);
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| 
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|     return $v_index;
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| }
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| 
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| sub i_vlan {
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|     my $juniper = shift;
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|     my $partial = shift;
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| 
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|     my $index = $juniper->bp_index();
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| 
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|     # If given a partial it will be an ifIndex, we need to use dot1dBasePort
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|     if ($partial) {
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|         my %r_index = reverse %$index;
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|         $partial = $r_index{$partial};
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|     }
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| 
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|     my $v_index  = $juniper->jnxExVlanTag();
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|     my $i_pvid   = $juniper->qb_i_vlan($partial) || {};
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|     my $i_vlan = {};
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| 
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|     foreach my $bport ( keys %$i_pvid ) {
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|         my $q_vlan  = $i_pvid->{$bport};
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| 	my $vlan    = $v_index->{$q_vlan};
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|         my $ifindex = $index->{$bport};
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|         unless ( defined $ifindex ) {
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|             print "  Port $bport has no bp_index mapping. Skipping.\n"
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|                 if $DEBUG;
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|             next;
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|         }
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|         $i_vlan->{$ifindex} = $vlan;
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|     }
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| 
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|     return $i_vlan;
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| }
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| 
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| sub i_vlan_membership {
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|     my $juniper  = shift;
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|     my $partial = shift;
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| 
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|     my $index = $juniper->bp_index();
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|     my ($v_index)  = $juniper->jnxExVlanTag($partial);
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| 
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|     my $v_ports = $juniper->qb_v_egress() || {};
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| 
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|     my $i_vlan_membership = {};
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| 
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|     foreach my $idx ( sort keys %$v_ports ) {
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|         next unless ( defined $v_ports->{$idx} );
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|         my $portlist = $v_ports->{$idx}; # is an array reference
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|         my $ret      = [];
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|         my $vlan_ndx = $idx;
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| 
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|         # Convert portlist bit array to bp_index array
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|         for ( my $i = 0; $i <= $#$portlist; $i++ ) {
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|             push( @{$ret}, $i + 1 ) if ( @$portlist[$i] );
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|         }
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| 
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|         #Create HoA ifIndex -> VLAN array
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|         foreach my $port ( @{$ret} ) {
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|             my $ifindex = $index->{$port};
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|             next unless ( defined($ifindex) );    # shouldn't happen
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|             next if ( defined $partial and $ifindex !~ /^$partial$/ );
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|             push ( @{ $i_vlan_membership->{$ifindex} }, $v_index->{$vlan_ndx} );
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|         }
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|     }
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| 
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|     return $i_vlan_membership;
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| }
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| 
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| # Use Q-BRIDGE-MIB for bridge forwarding tables
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| sub fw_mac {
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|     my $juniper  = shift;
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|     my $partial = shift;
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| 
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|     return $juniper->qb_fw_mac($partial);
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| }
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| 
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| sub fw_port {
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|     my $juniper  = shift;
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|     my $partial = shift;
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| 
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|     return $juniper->qb_fw_port($partial);
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| }
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| 
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| # Use LLDP
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| 
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| sub hasCDP {
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|     my $juniper = shift;
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| 
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|     return $juniper->hasLLDP();
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| }
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| 
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| sub c_ip {
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|     my $juniper  = shift;
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|     my $partial = shift;
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| 
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|     return $juniper->lldp_ip($partial);
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| }
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| 
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| sub c_if {
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|     my $juniper  = shift;
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|     my $partial = shift;
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| 
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|     return $juniper->lldp_if($partial);
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| }
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| 
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| sub c_port {
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|     my $juniper  = shift;
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|     my $partial = shift;
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| 
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|     return $juniper->lldp_port($partial);
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| }
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| 
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| sub c_id {
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|     my $juniper  = shift;
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|     my $partial = shift;
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| 
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|     return $juniper->lldp_id($partial);
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| }
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| 
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| sub c_platform {
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|     my $juniper  = shift;
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|     my $partial = shift;
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| 
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|     return $juniper->lldp_rem_sysdesc($partial);
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| }
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| 
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| 
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| 1;
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| __END__
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| 
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| =head1 NAME
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| 
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| SNMP::Info::Layer3::Juniper - SNMP Interface to L3 Juniper Devices
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| 
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| =head1 AUTHOR
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| 
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| Bill Fenner
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| 
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| =head1 SYNOPSIS
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| 
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|  # Let SNMP::Info determine the correct subclass for you. 
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|  my $juniper = new SNMP::Info(
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|                           AutoSpecify => 1,
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|                           Debug       => 1,
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|                           DestHost    => 'myrouter',
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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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| 
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|  my $class      = $juniper->class();
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|  print "SNMP::Info determined this device to fall under subclass : $class\n";
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| 
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| =head1 DESCRIPTION
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| 
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| Subclass for Generic Juniper Routers running JUNOS
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| 
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| =head2 Inherited Classes
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| 
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| =over
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| 
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| =item SNMP::Info::Layer3
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| 
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| =item SNMP::Info::LLDP
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| 
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| =back
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| 
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| =head2 Required MIBs
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| 
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| JUNIPER-VLAN-MIB dated "200901090000Z" -- Fri Jan 09 00:00:00 2009 UTC or later.
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| 
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| =over
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| 
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| =item Inherited Classes' MIBs
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| 
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| See L<SNMP::Info::Layer3/"Required MIBs"> for its own MIB requirements.
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| 
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| See L<SNMP::Info::LLDP/"Required MIBs"> for its own MIB requirements.
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| 
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| =back
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| 
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| =head1 GLOBALS
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| 
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| These are methods that return scalar value from SNMP
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| 
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| =over
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| 
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| =item $juniper->vendor()
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| 
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| Returns C<'juniper'>
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| 
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| =item $juniper->os()
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| 
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| Returns C<'junos'>
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| 
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| =item $juniper->os_ver()
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| 
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| Returns the software version extracted from C<sysDescr>.
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| 
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| =item $juniper->model()
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| 
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| Returns the model from C<sysObjectID>, with C<jnxProductName> removed from the
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| beginning.
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| 
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| =item $juniper->serial()
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| 
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| Returns serial number
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| 
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| (C<jnxBoxSerialNo.0>)
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| 
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| =item $juniper->hasCDP()
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| 
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|     Returns whether LLDP is enabled.
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| 
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| =back
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| 
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| =head2 Globals imported from SNMP::Info::Layer3
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| 
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| See documentation in L<SNMP::Info::Layer3/"GLOBALS"> for details.
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| 
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| =head2 Global Methods imported from SNMP::Info::LLDP
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| 
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| See documentation in L<SNMP::Info::LLDP/"GLOBALS"> for details.
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| 
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| =head1 TABLE METHODS
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| 
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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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| 
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| =over
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| 
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| =item $juniper->v_index()
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| 
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| (C<jnxExVlanTag>)
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| 
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| =item $juniper->v_name()
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| 
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| (C<jnxExVlanName>)
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| 
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| =item $juniper->v_type()
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| 
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| (C<jnxExVlanType>)
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| 
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| =item $juniper->i_vlan()
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| 
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| Returns a mapping between C<ifIndex> and the VLAN tag on interfaces
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| whose C<ifType> is propVirtual (53).
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| 
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| =item $juniper->i_trunk()
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| 
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| (C<jnxExVlanPortAccessMode>)
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| 
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| =item $bridge->i_vlan()
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| 
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| Returns a mapping between C<ifIndex> and the PVID or default VLAN.
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| 
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| =item $bridge->i_vlan_membership()
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| 
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| Returns reference to hash of arrays: key = C<ifIndex>, value = array of VLAN
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| IDs.  These are the VLANs which are members of the egress list for the port.
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| 
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| =item $juniper->c_id()
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| 
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| Returns LLDP information.
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| 
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| =item $juniper->c_if()
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| 
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| Returns LLDP information.
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| 
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| =item $juniper->c_ip()
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| 
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| Returns LLDP information.
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| 
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| =item $juniper->c_platform()
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| 
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| Returns LLDP information.
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| 
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| =item $juniper->c_port()
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| 
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| Returns LLDP information.
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| 
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| =back
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| 
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| =head2 Forwarding Table (C<dot1dTpFdbEntry>)
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| 
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| =over 
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| 
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| =item $juniper->fw_mac()
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| 
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| Returns reference to hash of forwarding table MAC Addresses
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| 
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| (C<dot1dTpFdbAddress>)
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| 
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| =item $juniper->fw_port()
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| 
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| Returns reference to hash of forwarding table entries port interface
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| identifier (iid)
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| 
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| (C<dot1dTpFdbPort>)
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| 
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| =back 
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| 
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| =head2 Table Methods imported from SNMP::Info::Layer3
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| 
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| See documentation in L<SNMP::Info::Layer3/"TABLE METHODS"> for details.
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| 
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| =head2 Table Methods imported from SNMP::Info::LLDP
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| 
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| See documentation in L<SNMP::Info::LLDP/"TABLE METHODS"> for details.
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| 
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| =cut
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