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5628b60f2c
* Extra mapping for dot1qVlanFdbId to allow FDB VLANs to work on ProCurve * Test data from joseUPV for ProCurve FDB VLANs
90 lines
3.5 KiB
PHP
90 lines
3.5 KiB
PHP
<?php
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/**
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* bridge.inc.php
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*
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* Discover FDB data with Q-BRIDGE-MIB and BRIDGE-MIB
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @package LibreNMS
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* @link http://librenms.org
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* @copyright LibreNMS contributors
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* @author Tony Murray <murraytony@gmail.com>
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* @author cjwbath
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*/
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// Try Q-BRIDGE-MIB::dot1qTpFdbPort first
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$fdbPort_table = snmpwalk_group($device, 'dot1qTpFdbPort', 'Q-BRIDGE-MIB');
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if (!empty($fdbPort_table)) {
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echo 'Q-BRIDGE-MIB:';
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$data_oid = 'dot1qTpFdbPort';
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} else {
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// If we don't have Q-BRIDGE-MIB::dot1qTpFdbPort, try BRIDGE-MIB::dot1dTpFdbPort
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$dot1d = snmpwalk_group($device, 'dot1dTpFdbPort', 'BRIDGE-MIB', 0);
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$data_oid = 'dot1dTpFdbPort';
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if (!empty($dot1d)) {
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echo 'BRIDGE-MIB: ';
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$fdbPort_table = array(0 => $dot1d); // dont' have VLAN, so use 0
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}
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}
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if (!empty($fdbPort_table)) {
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// Build dot1dBasePort to port_id dictionary
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$portid_dict = array();
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$dot1dBasePortIfIndex = snmpwalk_group($device, 'dot1dBasePortIfIndex', 'BRIDGE-MIB');
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foreach ($dot1dBasePortIfIndex as $portLocal => $data) {
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$port = get_port_by_index_cache($device['device_id'], $data['dot1dBasePortIfIndex']);
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$portid_dict[$portLocal] = $port['port_id'];
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}
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// Build VLAN fdb index to real VLAN ID dictionary
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$vlan_cur_table = snmpwalk_group($device, 'dot1qVlanFdbId', 'Q-BRIDGE-MIB', 2);
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$vlan_fdb_dict = array();
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// Indexed first by dot1qVlanTimeMark, which we ignore
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foreach ($vlan_cur_table as $dot1qVlanTimeMark => $a) {
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// Then by VLAN ID mapped to a single member array with the dot1qVlanFdbId
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foreach ($a as $vid => $data) {
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// Flip it round into the dictionary
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$vlan_fdb_dict[$data['dot1qVlanFdbId']] = $vid;
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}
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}
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// Collect data and populate $insert
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foreach ($fdbPort_table as $vlanIndex => $data) {
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// Look the dot1qVlanFdbId up to a real VLAN number; if undefined assume the
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// index *is* the VLAN number. Code in fdb-table.inc.php to map to the
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// device VLANs table should catch anything invalid.
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$vlan = isset($vlan_fdb_dict[$vlanIndex]) ? $vlan_fdb_dict[$vlanIndex] : $vlanIndex;
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foreach ($data[$data_oid] as $mac => $dot1dBasePort) {
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if ($dot1dBasePort == 0) {
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d_echo("No port known for $mac\n");
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continue;
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}
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$mac_address = implode(array_map('zeropad', explode(':', $mac)));
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if (strlen($mac_address) != 12) {
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d_echo("MAC address padding failed for $mac\n");
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continue;
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}
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$port_id = $portid_dict[$dot1dBasePort];
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$vlan_id = isset($vlans_dict[$vlan]) ? $vlans_dict[$vlan] : 0;
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$insert[$vlan_id][$mac_address]['port_id'] = $port_id;
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d_echo("vlan $vlan mac $mac_address port ($dot1dBasePort) $port_id\n");
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}
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}
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}
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echo PHP_EOL;
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