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Updated BGP polling for Cisco to support CISCO-BGP4-MIB better

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This commit is contained in:
laf
2015-06-02 16:32:39 +01:00
parent 9ea274e9a4
commit b9dabae7d8
5 changed files with 2382 additions and 1161 deletions
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6
html/pages/device/routing/bgp.inc.php
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@@ -1,7 +1,3 @@
<div style='padding: 10px; height: 20px; clear: both; display: block;'>
<div style='float: left; font-size: 22px; font-weight: bold;'>Local AS : <?php echo($device['bgpLocalAs']); ?></div>
</div>
<?php
$link_array = array('page' => 'device',
@@ -13,6 +9,8 @@ if(!isset($vars['view'])) { $vars['view'] = "basic"; }
print_optionbar_start();
echo "<strong>Local AS : " .$device['bgpLocalAs']."</strong> ";
echo("<span style='font-weight: bold;'>BGP</span> &#187; ");
if ($vars['view'] == "basic") { echo("<span class='pagemenu-selected'>"); }

44
includes/discovery/bgp-peers.inc.php
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@@ -20,18 +20,26 @@ if ($config['enable_bgp'])
echo("Updated AS ");
}
$peer2 = FALSE;
$peers_data = snmp_walk($device, "cbgpPeer2RemoteAs", "-Oq", "CISCO-BGP4-MIB", $config['mibdir']);
if (empty($peers_data)) {
$peers_data = snmp_walk($device, "BGP4-MIB::bgpPeerRemoteAs", "-Oq", "BGP4-MIB", $config['mibdir']);
} else {
$peer2 = TRUE;
}
if ($debug) { echo("Peers : $peers_data \n"); }
$peers = trim(str_replace("BGP4-MIB::bgpPeerRemoteAs.", "", $peers_data));
$peers = trim(str_replace("CISCO-BGP4-MIB::cbgpPeer2RemoteAs.", "", $peers_data));
$peers = trim(str_replace("BGP4-MIB::bgpPeerRemoteAs.", "", $peers));
foreach (explode("\n", $peers) as $peer)
{
list($ver, $peer) = explode(".", $peer,2);
list($peer_ip, $peer_as) = explode(" ", $peer);
if ($peer && $peer_ip != "0.0.0.0")
{
if ($debug) { echo("Found peer $peer_ip (AS$peer_as)\n"); }
$peerlist[] = array('ip' => $peer_ip, 'as' => $peer_as);
$peerlist[] = array('ip' => $peer_ip, 'as' => $peer_as, 'ver' => $ver);
}
} # Foreach
@@ -92,18 +100,28 @@ if ($config['enable_bgp'])
// Get afi/safi and populate cbgp on cisco ios (xe/xr)
unset($af_list);
$af_data = snmp_walk($device, "cbgpPeerAddrFamilyName." . $peer['ip'], "-OsQ", "CISCO-BGP4-MIB", $config['mibdir']);
if ($debug) { echo("afi data :: $af_data \n"); }
$afs = trim(str_replace("cbgpPeerAddrFamilyName.".$peer['ip'].".", "", $af_data));
foreach (explode("\n", $afs) as $af)
if ($peer2 === TRUE) {
$af_data = snmpwalk_cache_oid($device, "cbgpPeer2AddrFamilyEntry", $cbgp, "CISCO-BGP4-MIB", $config['mibdir']);
} else {
$af_data = snmpwalk_cache_oid($device, "cbgpPeerAddrFamilyEntry", $cbgp, "CISCO-BGP4-MIB", $config['mibdir']);
}
if ($debug) {
echo("afi data :: ");
print_r($af_data);
}
foreach ($af_data as $k => $v)
{
if ($debug) { echo("AFISAFI = $af\n"); }
list($afisafi, $text) = explode(" = ", $af);
list($afi, $safi) = explode(".", $afisafi);
if ($afi && $safi)
if ($peer2 === TRUE) {
list(,$k) = explode('.',$k,2);
}
if ($debug) { echo("AFISAFI = $k\n"); }
$afisafi_tmp = explode('.', $k);
$safi = array_pop($afisafi_tmp);
$afi = array_pop($afisafi_tmp);
$bgp_ip = str_replace(".$afi.$safi", "", $k);
if ($afi && $safi && $bgp_ip == $peer['ip'])
{
$af_list[$afi][$safi] = 1;
$af_list[$bgp_ip][$afi][$safi] = 1;
if (dbFetchCell("SELECT COUNT(*) from `bgpPeers_cbgp` WHERE device_id = ? AND bgpPeerIdentifier = ?, AND afi=? AND safi=?",array($device['device_id'], $peer['ip'],$afi,$safi)) == 0)
{
dbInsert(array('device_id' => $device['device_id'], 'bgpPeerIdentifier' => $peer['ip'], 'afi' => $afi, 'safi' => $safi), 'bgpPeers_cbgp');
@@ -170,7 +188,7 @@ if ($config['enable_bgp'])
{
$afi = $entry['afi'];
$safi = $entry['safi'];
if (!$af_list[$afi][$safi])
if (!$af_list[$afi][$safi] || !$af_list[$entry['bgpPeerIdentifier']][$afi][$safi])
{
dbDelete('bgpPeers_cbgp', '`device_id` = ? AND `bgpPeerIdentifier` = ?, afi=?, safi=?', array($device['device_id'],$peer['ip'],$afi,$safi));
}

14
includes/functions.php
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@@ -1201,3 +1201,17 @@ function first_oid_match($device, $list) {
}
}
}
function ip_to_hex($ip) {
if (strstr($ip, ":")) {
$ipv6 = explode(':', $ip);
foreach ($ipv6 as $item) {
$return .= hexdec($item).'.';
}
$return = substr($return, 0, -1);
} else {
$return = $ip;
}
return $return;
}

94
includes/polling/bgp-peers.inc.php
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@@ -10,17 +10,52 @@ if ($config['enable_bgp'])
{
// Poll BGP Peer
$peer2 = FALSE;
echo("Checking BGP peer ".$peer['bgpPeerIdentifier']." ");
if (!strstr($peer['bgpPeerIdentifier'],':'))
if (!empty($peer['bgpPeerIdentifier']) && $device['os'] != "junos")
{
# v4 BGP4 MIB
// FIXME - needs moved to function
$peer_cmd = $config['snmpget'] . " -M ".$config['mibdir'] . " -m BGP4-MIB -OUvq " . snmp_gen_auth($device) . " " . $device['hostname'].":".$device['port'] . " ";
$peer_data_check = snmpwalk_cache_oid($device, "cbgpPeer2RemoteAs", array(), "CISCO-BGP4-MIB", $config['mibdir']);
if (count($peer_data_check) > 0) {
$peer2 = TRUE;
}
if ($peer2 === TRUE) {
$bgp_peer_ip = ip_to_hex($peer['bgpPeerIdentifier']);
if (strstr($peer['bgpPeerIdentifier'],":")) {
$ip_type = 2;
$ip_len = 16;
$ip_ver = 'ipv6';
} else {
$ip_type = 1;
$ip_len = 4;
$ip_ver = 'ipv4';
}
$peer_identifier = $ip_type . '.' . $ip_len . '.' . $bgp_peer_ip;
$peer_data_tmp = snmp_get_multi($device,
" cbgpPeer2State.". $peer_identifier .
" cbgpPeer2AdminStatus.". $peer_identifier .
" cbgpPeer2InUpdates." . $peer_identifier .
" cbgpPeer2OutUpdates." . $peer_identifier .
" cbgpPeer2InTotalMessages." . $peer_identifier .
" cbgpPeer2OutTotalMessages." . $peer_identifier .
" cbgpPeer2FsmEstablishedTime." . $peer_identifier .
" cbgpPeer2InUpdateElapsedTime." . $peer_identifier .
" cbgpPeer2LocalAddr." . $peer_identifier, "-OQUs", "CISCO-BGP4-MIB",$config['mibdir']);
$ident = "$ip_ver.\"".$peer['bgpPeerIdentifier'].'"';
unset($peer_data);
foreach ($peer_data_tmp[$ident] as $k => $v) {
$peer_data .= "$v\n";
}
} else {
$peer_cmd = $config['snmpget'] . " -M " . $config['mibdir'] . " -m BGP4-MIB -OUvq " . snmp_gen_auth($device) . " " . $device['hostname'] . ":" . $device['port'] . " ";
$peer_cmd .= "bgpPeerState." . $peer['bgpPeerIdentifier'] . " bgpPeerAdminStatus." . $peer['bgpPeerIdentifier'] . " bgpPeerInUpdates." . $peer['bgpPeerIdentifier'] . " bgpPeerOutUpdates." . $peer['bgpPeerIdentifier'] . " bgpPeerInTotalMessages." . $peer['bgpPeerIdentifier'] . " ";
$peer_cmd .= "bgpPeerOutTotalMessages." . $peer['bgpPeerIdentifier'] . " bgpPeerFsmEstablishedTime." . $peer['bgpPeerIdentifier'] . " bgpPeerInUpdateElapsedTime." . $peer['bgpPeerIdentifier'] . " ";
$peer_cmd .= "bgpPeerLocalAddr." . $peer['bgpPeerIdentifier'] . "";
$peer_data = trim(`$peer_cmd`);
}
list($bgpPeerState, $bgpPeerAdminStatus, $bgpPeerInUpdates, $bgpPeerOutUpdates, $bgpPeerInTotalMessages, $bgpPeerOutTotalMessages, $bgpPeerFsmEstablishedTime, $bgpPeerInUpdateElapsedTime, $bgpLocalAddr) = explode("\n", $peer_data);
}
else
@@ -134,10 +169,50 @@ if ($config['enable_bgp'])
$safi = $peer_afi['safi'];
if ($debug) { echo("$afi $safi\n"); }
if ($device['os_group'] == "cisco")
{
if ($device['os_group'] == "cisco") {
$bgp_peer_ip = ip_to_hex($peer['bgpPeerIdentifier']);
if (strstr($peer['bgpPeerIdentifier'], ":")) {
$ip_type = 2;
$ip_len = 16;
$ip_ver = 'ipv6';
} else {
$ip_type = 1;
$ip_len = 4;
$ip_ver = 'ipv4';
}
$ip_cast = 1;
if ($peer_afi['safi'] == "multicast") {
$ip_cast = 2;
} elseif ($peer_afi['safi'] == "unicastAndMulticast") {
$ip_cast = 3;
} elseif ($peer_afi['safi'] == "vpn") {
$ip_cast = 128;
}
$check = snmp_get($device,"cbgpPeer2AcceptedPrefixes.".$ip_type.'.'.$ip_len.'.'.$bgp_peer_ip.'.'.$ip_type.'.'.$ip_cast,"","CISCO-BGP4-MIB", $config['mibdir']);
if(!empty($check)) {
$cgp_peer_identifier = $ip_type . '.' . $ip_len . '.' . $bgp_peer_ip . '.' . $ip_type . '.' . $ip_cast;
$cbgp_data_tmp = snmp_get_multi($device,
" cbgpPeer2AcceptedPrefixes.". $cgp_peer_identifier .
" cbgpPeer2DeniedPrefixes.". $cgp_peer_identifier .
" cbgpPeer2PrefixAdminLimit." . $cgp_peer_identifier .
" cbgpPeer2PrefixThreshold." . $cgp_peer_identifier .
" cbgpPeer2PrefixClearThreshold." . $cgp_peer_identifier .
" cbgpPeer2AdvertisedPrefixes." . $cgp_peer_identifier .
" cbgpPeer2SuppressedPrefixes." . $cgp_peer_identifier .
" cbgpPeer2WithdrawnPrefixes." . $cgp_peer_identifier, "-OQUs", "CISCO-BGP4-MIB",$config['mibdir']);
$ident = "$ip_ver.\"".$peer['bgpPeerIdentifier'].'"'. '.' . $ip_type . '.' . $ip_cast;
unset($cbgp_data);
foreach ($cbgp_data_tmp[$ident] as $k => $v) {
$cbgp_data .= "$v\n";
}
} else {
// FIXME - move to function
$cbgp_cmd = $config['snmpget'] . " -M ".$config['mibdir'] . " -m CISCO-BGP4-MIB -Ovq " . snmp_gen_auth($device) . " " . $device['hostname'].":".$device['port'];
$cbgp_cmd = $config['snmpget'] . " -M " . $config['mibdir'] . " -m CISCO-BGP4-MIB -Ovq " . snmp_gen_auth($device) . " " . $device['hostname'] . ":" . $device['port'];
$cbgp_cmd .= " cbgpPeerAcceptedPrefixes." . $peer['bgpPeerIdentifier'] . ".$afi.$safi";
$cbgp_cmd .= " cbgpPeerDeniedPrefixes." . $peer['bgpPeerIdentifier'] . ".$afi.$safi";
$cbgp_cmd .= " cbgpPeerPrefixAdminLimit." . $peer['bgpPeerIdentifier'] . ".$afi.$safi";
@@ -147,10 +222,15 @@ if ($config['enable_bgp'])
$cbgp_cmd .= " cbgpPeerSuppressedPrefixes." . $peer['bgpPeerIdentifier'] . ".$afi.$safi";
$cbgp_cmd .= " cbgpPeerWithdrawnPrefixes." . $peer['bgpPeerIdentifier'] . ".$afi.$safi";
if ($debug) { echo("$cbgp_cmd\n"); }
if ($debug) {
echo("$cbgp_cmd\n");
}
$cbgp_data = preg_replace("/^OID.*$/", "", trim(`$cbgp_cmd`));
$cbgp_data = preg_replace("/No Such Instance currently exists at this OID/", "0", $cbgp_data);
if ($debug) { echo("$cbgp_data\n"); }
if ($debug) {
echo("$cbgp_data\n");
}
}
list($cbgpPeerAcceptedPrefixes,$cbgpPeerDeniedPrefixes,$cbgpPeerPrefixAdminLimit,$cbgpPeerPrefixThreshold,$cbgpPeerPrefixClearThreshold,$cbgpPeerAdvertisedPrefixes,$cbgpPeerSuppressedPrefixes,$cbgpPeerWithdrawnPrefixes) = explode("\n", $cbgp_data);
}

1405
mibs/CISCO-BGP4-MIB
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