77 lines
2.3 KiB
PHP
77 lines
2.3 KiB
PHP
<?php
|
|
/**
|
|
* Observium
|
|
*
|
|
* This file is part of Observium.
|
|
*
|
|
* @package observium
|
|
* @subpackage discovery
|
|
* @copyright (C) 2006-2013 Adam Armstrong, (C) 2013-2022 Observium Limited
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* @var array $device
|
|
* @var string $mib
|
|
* @var array $entry
|
|
* @var string $bgpLocalAs
|
|
* @var integer $cisco_version Come from cisco-bgp4-mib.inc.php
|
|
* @var array $p_list
|
|
* @var array $peerlist
|
|
* @var bool $check_vrfs
|
|
* @var string $vrf_name
|
|
*/
|
|
|
|
// All MIBs except CISCO-BGP4-MIB (table version 2)
|
|
if (isset($cisco_version) && $cisco_version > 1) {
|
|
return;
|
|
}
|
|
if (is_device_mib($device, 'CUMULUS-BGPUN-MIB')) {
|
|
// CUMULUS-BGPUN-MIB is copy-paste of BGP4-MIB
|
|
return;
|
|
}
|
|
|
|
$peers_data = snmpwalk_cache_oid($device, 'bgpPeerRemoteAs', [], 'BGP4-MIB');
|
|
//$peers_data = snmpwalk_cache_oid($device, 'bgpPeerRemoteAddr', $peers_data, 'BGP4-MIB');
|
|
$peers_data = snmpwalk_cache_oid($device, 'bgpPeerLocalAddr', $peers_data, 'BGP4-MIB');
|
|
$peers_data = snmpwalk_cache_oid($device, 'bgpPeerIdentifier', $peers_data, 'BGP4-MIB');
|
|
$peers_data = snmpwalk_cache_oid($device, 'bgpPeerAdminStatus', $peers_data, 'BGP4-MIB');
|
|
|
|
foreach ($peers_data as $index => $bgp4_entry) {
|
|
$index_parts = explode('.', $index);
|
|
if (safe_count($index_parts) > 4) {
|
|
// Aruba case:
|
|
// BGP4-MIB::bgpPeerRemoteAddr.4.18.1.23.109 = IpAddress: 18.1.23.109
|
|
$ip_len = array_shift($index_parts);
|
|
$peer_ip = implode('.', $index_parts);
|
|
} else {
|
|
$peer_ip = $index;
|
|
}
|
|
$peer_as = snmp_dewrap32bit($bgp4_entry['bgpPeerRemoteAs']); // Dewrap for 32bit ASN
|
|
if ($peer_as > $bgp4_entry['bgpPeerRemoteAs']) {
|
|
$peers_data[$index]['bgpPeerRemoteAs'] = $peer_as;
|
|
}
|
|
$local_ip = $bgp4_entry['bgpPeerLocalAddr'];
|
|
|
|
$peer = [
|
|
'mib' => $mib,
|
|
'index' => $index,
|
|
'identifier' => $bgp4_entry['bgpPeerIdentifier'],
|
|
'local_ip' => $local_ip,
|
|
'ip' => $peer_ip === '0.0.0.0' ? '' : $peer_ip,
|
|
'local_as' => $bgpLocalAs,
|
|
'as' => $peer_as,
|
|
'admin_status' => $bgp4_entry['bgpPeerAdminStatus']
|
|
];
|
|
if ($check_vrfs) {
|
|
$peer['virtual_name'] = $vrf_name;
|
|
}
|
|
if (!isset($p_list[$peer_ip][$peer_as]) && is_bgp_peer_valid($peer, $device)) {
|
|
print_debug("Found peer IP: $peer_ip (AS$peer_as, LocalIP: $local_ip)");
|
|
$peerlist[] = $peer;
|
|
$p_list[$peer_ip][$peer_as] = 1;
|
|
}
|
|
}
|
|
|
|
// EOF
|