417 lines
9.9 KiB
Perl
417 lines
9.9 KiB
Perl
# SNMP::Info::Layer3::F5
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#
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# Copyright (c) 2012 Eric Miller
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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::Layer3::F5;
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use strict;
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use Exporter;
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use SNMP::Info::Layer3;
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@SNMP::Info::Layer3::F5::ISA = qw/SNMP::Info::Layer3 Exporter/;
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@SNMP::Info::Layer3::F5::EXPORT_OK = qw//;
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use vars qw/$VERSION %GLOBALS %FUNCS %MIBS %MUNGE/;
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$VERSION = '3.09';
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%MIBS = (
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%SNMP::Info::Layer3::MIBS,
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'F5-BIGIP-SYSTEM-MIB' => 'sysAttrArpMaxEntries',
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);
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%GLOBALS = (
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%SNMP::Info::Layer3::GLOBALS,
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'os_ver' => 'sysProductVersion',
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'mkt_name' => 'sysPlatformInfoMarketingName',
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'ps1_status' => 'sysChassisPowerSupplyStatus.1',
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'ps2_status' => 'sysChassisPowerSupplyStatus.2',
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# Named serial1 to override serial1 in L3 serial method
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'serial1' => 'sysGeneralChassisSerialNum',
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'qb_vlans' => 'sysVlanNumber',
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'ports' => 'sysInterfaceNumber',
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);
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%FUNCS = (
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%SNMP::Info::Layer3::FUNCS,
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# sysInterfaceTable
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'i_index' => 'sysInterfaceName',
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'i_description' => 'sysInterfaceName',
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'i_mtu' => 'sysInterfaceMtu',
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'i_speed' => 'sysInterfaceMediaActiveSpeed',
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'i_mac' => 'sysInterfaceMacAddr',
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'i_up_admin' => 'sysInterfaceEnabled',
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'i_up' => 'sysInterfaceStatus',
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# sysIfxStatTable
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'i_octet_in' => 'sysIfxStatHcInOctets',
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'i_octet_out' => 'sysIfxStatHcOutOctets',
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'i_pkts_ucast_in' => 'sysIfxStatHcInUcastPkts',
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'i_pkts_ucast_out' => 'sysIfxStatHcOutUcastPkts',
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# sysInterfaceStatTable
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'i_discards_in' => 'sysInterfaceStatDropsIn',
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'i_discards_out' => 'sysInterfaceStatDropsOut',
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'i_errors_in' => 'sysInterfaceStatErrorsIn',
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'i_errors_out' => 'sysInterfaceStatErrorsOut',
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# sysInterfaceTable
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'sys_i_duplex' => 'sysInterfaceMediaActiveDuplex',
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# sysChassisFanTable
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'fan_state' => 'sysChassisFanStatus',
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# sysVlanTable
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'sys_v_id' => 'sysVlanId',
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'v_name' => 'sysVlanVname',
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# sysVlanMemberTable
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'sys_vm_tagged' => 'sysVlanMemberTagged',
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'sys_vm_name' => 'sysVlanMemberVmname',
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'sys_vmp_name' => 'sysVlanMemberParentVname',
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);
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%MUNGE = ( %SNMP::Info::Layer3::MUNGE, );
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sub vendor {
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return 'f5';
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}
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sub os {
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return 'f5';
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}
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sub fan {
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my $f5 = shift;
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my $fan_state = $f5->fan_state();
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my $ret = "";
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my $s = "";
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foreach my $i ( sort { $a <=> $b } keys %$fan_state ) {
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$ret .= $s . $i . ": " . $fan_state->{$i};
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$s = ", ";
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}
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return if ( $s eq "" );
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return $ret;
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}
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sub model {
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my $f5 = shift;
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my $name = $f5->mkt_name();
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if ( defined $name ) { return $name; }
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my $id = $f5->id();
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my $model = &SNMP::translateObj($id);
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if ( !defined $model ) { return $id; }
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return $model;
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}
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# Override L3 interfaces
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sub interfaces {
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my $f5 = shift;
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my $partial = shift;
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return $f5->i_index($partial);
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}
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# Override L3 i_name
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sub i_name {
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my $f5 = shift;
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my $partial = shift;
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return $f5->i_index($partial);
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}
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# We don't have this, so fake it
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sub i_type {
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my $f5 = shift;
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my $partial = shift;
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my $idx = $f5->i_index($partial);
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my %i_type;
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foreach my $if ( keys %$idx ) {
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$i_type{$if} = 'ethernetCsmacd';
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}
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return \%i_type;
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}
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# Override L3 i_duplex
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sub i_duplex {
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my $f5 = shift;
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my $partial = shift;
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my $duplexes = $f5->sys_i_duplex() || {};
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my %i_duplex;
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foreach my $if ( keys %$duplexes ) {
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my $duplex = $duplexes->{$if};
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next unless defined $duplex;
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next if ( $duplex eq 'none' );
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$i_duplex{$if} = $duplex;
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}
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return \%i_duplex;
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}
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# Override Bridge v_index
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sub v_index {
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my $f5 = shift;
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my $partial = shift;
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return $f5->sys_v_id($partial);
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}
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sub i_vlan {
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my $f5 = shift;
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my $partial = shift;
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my $index = $f5->i_index($partial) || {};
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my $tagged = $f5->sys_vm_tagged() || {};
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my $vlans = $f5->v_index() || {};
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my $i_vlan = {};
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foreach my $iid ( keys %$tagged ) {
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my $tag = $tagged->{$iid};
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next if ( $tag eq 'true' );
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# IID is length.vlan name index.length.interface index
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# Split out and use as the IID to get the VLAN ID and ifIndex
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my @iid_array = split /\./, $iid;
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my $len = $iid_array[0];
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my $v_idx = join '.', ( splice @iid_array, 0, $len + 1 );
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my $idx = join '.', @iid_array;
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# Check to make sure we can map to a port
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my $p_idx = $index->{$idx};
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next unless $p_idx;
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my $vlan = $vlans->{$v_idx};
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next unless $vlan;
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$i_vlan->{$idx} = $vlan;
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}
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return $i_vlan;
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}
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sub i_vlan_membership {
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my $f5 = shift;
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my $partial = shift;
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my $index = $f5->i_index($partial) || {};
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my $tagged = $f5->sys_vm_tagged() || {};
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my $vlans = $f5->v_index() || {};
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my $i_vlan_membership = {};
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foreach my $iid ( keys %$tagged ) {
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# IID is length.vlan name index.length.interface index
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# Split out and use as the IID to get the VLAN ID and ifIndex
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my @iid_array = split /\./, $iid;
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my $len = $iid_array[0];
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my $v_idx = join '.', ( splice @iid_array, 0, $len + 1 );
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my $idx = join '.', @iid_array;
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# Check to make sure we can map to a port
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my $p_idx = $index->{$idx};
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next unless $p_idx;
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my $vlan = $vlans->{$v_idx};
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next unless $vlan;
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push( @{ $i_vlan_membership->{$idx} }, $vlan );
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}
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return $i_vlan_membership;
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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::Layer3::F5 - SNMP Interface to F5 network devices.
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=head1 AUTHOR
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Eric Miller
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=head1 SYNOPSIS
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# Let SNMP::Info determine the correct subclass for you.
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my $f5 = new SNMP::Info(
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AutoSpecify => 1,
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Debug => 1,
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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 = $f5->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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Abstraction subclass for F5 network devices.
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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 $f5 = new SNMP::Info::Layer3::F5(...);
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=head2 Inherited Classes
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=over
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=item SNMP::Info::Layer3
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=back
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=head2 Required MIBs
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=over
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=item F<F5-BIGIP-COMMON-MIB>
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=item F<F5-BIGIP-SYSTEM-MIB>
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=item Inherited Classes' MIBs
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See L<SNMP::Info::Layer3/"Required MIBs"> for its own MIB requirements.
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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 $f5->model()
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Return (C<sysPlatformInfoMarketingName>), otherwise tries to reference
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$f5->id() to F<F5-BIGIP-COMMON-MIB>.
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=item $f5->vendor()
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Returns 'f5'
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=item $f5->os()
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Returns 'f5'
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=item $f5->os_ver()
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Returns the software version reported by C<sysProductVersion>
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=item $f5->fan()
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Combines (C<sysChassisFanStatus>) into a single string.
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=item $f5->ps1_status()
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Returns status of primary power supply
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=item $f5->ps2_status()
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Returns status of redundant power supply
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=back
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=head2 Globals imported from SNMP::Info::Layer3
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See documentation in L<SNMP::Info::Layer3/"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
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reference to a hash.
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=head2 Overrides
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=over
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=item $f5->interfaces()
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Returns reference to the map between IID and physical port.
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(C<sysInterfaceName>).
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=item $f5->i_duplex()
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Returns reference to hash. Maps port operational duplexes to IIDs.
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=item $f5->i_vlan()
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Returns a mapping between C<ifIndex> and the default VLAN.
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=item $f5->i_vlan_membership()
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Returns reference to hash of arrays: key = C<ifIndex>, value = array of VLAN
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IDs.
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Example:
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my $interfaces = $f5->interfaces();
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my $vlans = $f5->i_vlan_membership();
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foreach my $iid (sort keys %$interfaces) {
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my $port = $interfaces->{$iid};
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my $vlan = join(',', sort(@{$vlans->{$iid}}));
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print "Port: $port VLAN: $vlan\n";
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}
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=item $f5->v_index()
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Returns VLAN IDs
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=item $f5->v_name()
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Human-entered name for vlans.
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=item $f5->i_name()
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Returns the human set port name if exists.
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=item $f5->i_type()
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Returns C<'ethernetCsmacd'> for each C<ifIndex>.
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=back
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=head2 Table Methods imported from SNMP::Info::Layer3
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See documentation in L<SNMP::Info::Layer3/"TABLE METHODS"> for details.
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=cut
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