445 lines
11 KiB
Perl
445 lines
11 KiB
Perl
# SNMP::Info::Layer3::AlteonAD
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# Eric Miller
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# $Id$
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#
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# Copyright (c) 2004 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 notice,
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# this list of conditions and the following disclaimer in the documentation
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# 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" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package SNMP::Info::Layer3::AlteonAD;
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$VERSION = '1.04';
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use strict;
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use Exporter;
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use SNMP::Info;
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use SNMP::Info::Bridge;
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use vars qw/$VERSION $DEBUG %GLOBALS %FUNCS $INIT %MIBS %MUNGE /;
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@SNMP::Info::Layer3::AlteonAD::ISA = qw/SNMP::Info SNMP::Info::Bridge Exporter/;
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@SNMP::Info::Layer3::AlteonAD::EXPORT_OK = qw//;
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%MIBS = (
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%SNMP::Info::MIBS,
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%SNMP::Info::Bridge::MIBS,
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'ALTEON-TIGON-SWITCH-MIB' => 'agSoftwareVersion',
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'ALTEON-TS-PHYSICAL-MIB' => 'agPortTableMaxEnt',
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'ALTEON-TS-NETWORK-MIB' => 'agPortTableMaxEnt',
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);
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%GLOBALS = (
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%SNMP::Info::GLOBALS,
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%SNMP::Info::Bridge::GLOBALS,
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'sw_ver' => 'agSoftwareVersion',
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'tftp_action' => 'agTftpAction',
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'tftp_host' => 'agTftpServer',
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'tftp_file' => 'agTftpCfgFileName',
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'tftp_result' => 'agTftpLastActionStatus',
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);
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%FUNCS = (
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%SNMP::Info::FUNCS,
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%SNMP::Info::Bridge::FUNCS,
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'bp_index_2' => 'dot1dBasePortIfIndex',
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'i_name2' => 'ifName',
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# From RFC1213-MIB
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'at_index' => 'ipNetToMediaIfIndex',
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'at_paddr' => 'ipNetToMediaPhysAddress',
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'at_netaddr' => 'ipNetToMediaNetAddress',
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# From agPortCurCfgTable
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'ag_p_cfg_idx' => 'agPortCurCfgIndx',
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'ag_p_cfg_pref' => 'agPortCurCfgPrefLink',
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'ag_p_cfg_pvid' => 'agPortCurCfgPVID',
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'ag_p_cfg_fe_auto' => 'agPortCurCfgFastEthAutoNeg',
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'ag_p_cfg_fe_mode' => 'agPortCurCfgFastEthMode',
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'ag_p_cfg_ge_auto' => 'agPortCurCfgGigEthAutoNeg',
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'ag_p_cfg_name' => 'agPortCurCfgPortName',
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# From portInfoTable
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'p_info_idx' => 'portInfoIndx',
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'p_info_mode' => 'portInfoMode',
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# From portInfoTable
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'ip_cfg_vlan' => 'ipCurCfgIntfVlan',
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);
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%MUNGE = (
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%SNMP::Info::MUNGE,
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%SNMP::Info::Bridge::MUNGE,
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'at_paddr' => \&SNMP::Info::munge_mac,
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);
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sub model {
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my $alteon = shift;
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my $desc = $alteon->description();
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return undef unless defined $desc;
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return 'AD2' if ($desc =~ /AD2/);
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return 'AD3' if ($desc =~ /AD3/);
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return 'AD4' if ($desc =~ /AD4/);
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return '180' if ($desc =~ /180/);
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return '183' if ($desc =~ /183/);
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return '184' if ($desc =~ /184/);
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return $desc;
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}
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sub vendor {
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return 'nortel';
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}
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sub os {
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return 'webos';
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}
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sub os_ver {
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my $alteon = shift;
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my $version = $alteon->sw_ver();
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return undef unless defined $version;
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return $version;
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}
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sub interfaces {
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my $alteon = shift;
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my $interfaces = $alteon->i_index();
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my $descriptions = $alteon->i_description();
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my %interfaces = ();
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foreach my $iid (keys %$interfaces){
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my $desc = $descriptions->{$iid};
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next unless defined $desc;
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if ($desc =~ /(^net\d+)/) {
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$desc = $1;
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}
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elsif (($iid > 256) and ($iid < 266)) {
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$desc = ($iid % 256);
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}
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$interfaces{$iid} = $desc;
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}
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return \%interfaces;
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}
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sub i_duplex {
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my $alteon = shift;
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my $p_mode = $alteon->p_info_mode();
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my %i_duplex;
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foreach my $if (keys %$p_mode){
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my $duplex = $p_mode->{$if};
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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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my $idx = $if + 256;
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$i_duplex{$idx}=$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 $alteon = shift;
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my $ag_pref = $alteon->ag_p_cfg_pref();
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my $ag_fe_auto = $alteon->ag_p_cfg_fe_auto();
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my $ag_fe_mode = $alteon->ag_p_cfg_fe_mode();
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my $ag_ge_auto = $alteon->ag_p_cfg_ge_auto();
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my %i_duplex_admin;
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foreach my $if (keys %$ag_pref){
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my $pref = $ag_pref->{$if};
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next unless defined $pref;
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my $string = 'other';
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if ($pref =~ /gigabit/i) {
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my $ge_auto = $ag_ge_auto->{$if};
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$string = 'full' if ($ge_auto =~ /off/i);
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$string = 'auto' if ($ge_auto =~ /on/i);
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}
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elsif ($pref =~ /fast/i) {
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my $fe_auto = $ag_fe_auto->{$if};
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my $fe_mode = $ag_fe_mode->{$if};
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$string = 'half' if ($fe_mode =~ /half/i and $fe_auto =~ /off/i);
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$string = 'full' if ($fe_mode =~ /full/i and $fe_auto =~ /off/i);
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$string = 'auto' if $fe_auto =~ /on/i;
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}
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my $idx = $if + 256;
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$i_duplex_admin{$idx}=$string;
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}
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return \%i_duplex_admin;
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}
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sub i_vlan {
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my $alteon = shift;
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my $ag_vlans = $alteon->ag_p_cfg_pvid();
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my $ip_vlans = $alteon->ip_cfg_vlan();
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my %i_vlan;
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foreach my $if (keys %$ip_vlans){
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my $ip_vlanid = $ip_vlans->{$if};
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next unless defined $ip_vlanid;
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$i_vlan{$if}=$ip_vlanid;
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}
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foreach my $if (keys %$ag_vlans){
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my $ag_vlanid = $ag_vlans->{$if};
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next unless defined $ag_vlanid;
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my $idx = $if + 256;
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$i_vlan{$idx}=$ag_vlanid;
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}
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return \%i_vlan;
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}
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sub i_name {
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my $alteon = shift;
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my $p_name = $alteon->ag_p_cfg_name();
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my %i_name;
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foreach my $iid (keys %$p_name){
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my $name = $p_name->{$iid};
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next unless defined $name;
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my $idx = $iid + 256;
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$i_name{$idx} = $name;
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}
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return \%i_name;
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}
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# Bridge MIB does not map Bridge Port to ifIndex correctly
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sub bp_index {
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my $alteon = shift;
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my $b_index = $alteon->bp_index_2();
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my %bp_index;
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foreach my $iid (keys %$b_index){
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my $port = $b_index->{$iid};
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next unless defined $port;
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$port = $port + 256;
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$bp_index{$iid} = $port;
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}
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return \%bp_index;
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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::AlteonAD - Perl5 Interface to Nortel Networks' Alteon Ace
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Director Series Layer 2-7 Switches.
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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 $alteon = new SNMP::Info(
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AutoSpecify => 1,
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Debug => 1,
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# These arguments are passed directly on 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 = $alteon->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 Layer 2-7 load balancing switches running Nortel Networks'
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Alteon Web OS Traffic Control Software.
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For speed or debugging purposes you can call the subclass directly, but not after
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determining a more specific class using the method above.
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my $alteon = new SNMP::Info::Layer3::AlteonAD(...);
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=head2 Inherited Classes
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=over
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=item SNMP::Info
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=item SNMP::Info::Bridge
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=back
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=head2 Required MIBs
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=over
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=item ALTEON-TIGON-SWITCH-MIB
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=item ALTEON-TS-PHYSICAL-MIB
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=item ALTEON-TS-NETWORK-MIB
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MIBs can be found on the CD that came with your product.
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Or, they can be downloaded directly from Nortel Networks regardless of support
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contract status. Go to http://www.nortelnetworks.com Techninal Support,
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Browse Technical Support, Select by Product Families, Alteon,
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Alteon Web OS Traffic Control Software, Software. Filter on mibs and download
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the latest version's archive.
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=item Inherited Classes' MIBs
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See SNMP::Info for its own MIB requirements.
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See SNMP::Info::Bridge 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 $alteon->model()
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Returns the model extracted from B<sysDescr>
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=item $alteon->vendor()
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Returns 'nortel'
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=item $alteon->os()
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Returns 'webos'
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=item $alteon->os_ver()
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Returns the software version reported by B<agSoftwareVersion>
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=item $alteon->tftp_action()
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(B<agTftpAction>)
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=item $alteon->tftp_host()
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(B<agTftpServer>)
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=item $alteon->tftp_file()
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(B<agTftpCfgFileName>)
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=item $alteon->tftp_result()
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(B<agTftpLastActionStatus>)
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=back
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=head2 Globals imported from SNMP::Info
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See documentation in SNMP::Info for details.
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=head2 Globals imported from SNMP::Info::Bridge
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See documentation in SNMP::Info::Bridge for details.
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=head1 TABLE ENTRIES
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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 $alteon->interfaces()
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Returns reference to the map between IID and physical port.
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Utilizes description for network interfaces. Ports are determined by
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formula (ifIndex mod 256).
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=item $alteon->i_duplex()
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Returns reference to hash. Maps port operational duplexes to IIDs.
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=item $alteon->i_duplex_admin()
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Returns reference to hash. Maps port admin duplexes to IIDs.
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=item $alteon->i_vlan()
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Returns reference to hash. Maps port VLAN ID to IIDs.
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=item $alteon->i_name()
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Maps (B<agPortCurCfgPortName>) to port and returns the human set port name if exists.
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=item $alteon->bp_index()
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Returns a mapping between ifIndex and the Bridge Table.
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=back
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=head2 RFC1213 Arp Cache Table (B<ipNetToMediaTable>)
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=over
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=item $alteon->at_index()
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Returns reference to hash. Maps ARP table entries to Interface IIDs
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(B<ipNetToMediaIfIndex>)
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=item $alteon->at_paddr()
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Returns reference to hash. Maps ARP table entries to MAC addresses.
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(B<ipNetToMediaPhysAddress>)
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=item $alteon->at_netaddr()
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Returns reference to hash. Maps ARP table entries to IPs
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(B<ipNetToMediaNetAddress>)
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=back
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=head2 Table Methods imported from SNMP::Info
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See documentation in SNMP::Info for details.
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=head2 Table Methods imported from SNMP::Info::Bridge
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See documentation in SNMP::Info::Bridge for details.
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=cut
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