Index: html/includes/graphs/device/bng_active_sessions.inc.php
===================================================================
--- html/includes/graphs/device/bng_active_sessions.inc.php     (revision 0)
+++ html/includes/graphs/device/bng_active_sessions.inc.php     (working copy)
@@ -0,0 +1,27 @@
+<?php
+
+/**
+ * Observium
+ *
+ *   This file is part of Observium.
+ *
+ * @package    observium
+ * @subpackage graphs
+ * @copyright  (C) 2006-2013 Adam Armstrong, (C) 2013-2015 Observium Limited
+ *
+ */
+
+$scale_min = "0";
+
+include_once($config['html_dir']."/includes/graphs/common.inc.php");
+
+$rrd_filename = get_rrd_path($device, "bng-active-sessions.rrd");
+
+$rrd_options .= " DEF:value=".$rrd_filename.":value:AVERAGE";
+$rrd_options .= " 'COMMENT:Sessions   Current  Minimum  Maximum  Average\\l'";
+$rrd_options .= " AREA:value#EEEEEE:'Subscribers   '";
+$rrd_options .= " LINE1.25:value#36393D:";
+$rrd_options .= " GPRINT:value:LAST:%6.2lf  GPRINT:value:MIN:%7.2lf";
+$rrd_options .= " GPRINT:value:MAX:%7.2lf  'GPRINT:value:AVERAGE:%7.2lf\\l'";
+
+// EOF
Index: includes/defaults.inc.php
===================================================================
--- includes/defaults.inc.php   (revision 6978)
+++ includes/defaults.inc.php   (working copy)
@@ -434,7 +434,7 @@

 // FIXME. Rename to 'ignore_if'
 $config['bad_if'][] = "voip-null";
-$config['bad_if'][] = "virtual-";
+//$config['bad_if'][] = "virtual-";
 $config['bad_if'][] = "unrouted";
 $config['bad_if'][] = "eobc";
 $config['bad_if'][] = "lp0";
Index: includes/definitions/graphtypes.inc.php
===================================================================
--- includes/definitions/graphtypes.inc.php     (revision 6978)
+++ includes/definitions/graphtypes.inc.php     (working copy)
@@ -14,7 +14,7 @@
 // Graph sections is used to categorize /device/graphs/

 $config['graph_sections'] = array(
-  'general', 'system', 'firewall', 'netstats', 'wireless', 'storage', 'vpdn', 'appliance',
+  'general', 'system', 'firewall', 'bng', 'netstats', 'wireless', 'storage', 'vpdn', 'appliance',
   'poller', 'netapp', 'netscaler_tcp', 'netscaler_ssl', 'netscaler_http', 'netscaler_comp',
   'loadbalancer', 'l2tp', 'storage', 'proxysg', 'license', 'authentication', 'ospf'
 );
@@ -1149,6 +1149,12 @@
 $config['graph_types']['device']['firewall_sessions_ipv4']['order']    = '0';
 $config['graph_types']['device']['firewall_sessions_ipv4']['descr']    = 'Firewall Sessions (IPv4)';

+// IOS-XR BNG Subscribers
+
+$config['graph_types']['device']['bng_active_sessions']['section']  = 'bng';
+$config['graph_types']['device']['bng_active_sessions']['order']    = '0';
+$config['graph_types']['device']['bng_active_sessions']['descr']    = 'BNG Active Subscribers';
+
 // Bluecoat ProxyAV Graphs
 $config['graph_types']['device']['files_scanned'] = array(
   'section'   => 'appliance',
Index: includes/definitions/os.inc.php
===================================================================
--- includes/definitions/os.inc.php     (revision 6978)
+++ includes/definitions/os.inc.php     (working copy)
@@ -119,6 +119,7 @@
 $config['os_group'][$os_group]['mibs'][]            = "CISCO-AAA-SESSION-MIB";
 $config['os_group'][$os_group]['mibs'][]            = "POWER-ETHERNET-MIB";
 $config['os_group'][$os_group]['mibs'][]            = "SMON-MIB";              // Monitoring ([e|r]span) ports
+$config['os_group'][$os_group]['mibs'][]            = "CISCO-SUBSCRIBER-SESSION-MIB";
 $config['os_group'][$os_group]['mib_blacklist'][]   = "PW-STD-MIB";            // Exclude standart pseudowires
 $config['os_group'][$os_group]['mib_blacklist'][]   = "DISMAN-PING-MIB";       // Exclude RFC PING-MIB

@@ -625,6 +626,7 @@
 $config['os'][$os]['mib_blacklist'][]       = "UCD-SNMP-MIB";    // Not supported
 $config['os'][$os]['mib_blacklist'][]       = "HOST-RESOURCES-MIB";

+
 $os = "iosxe";
 $config['os'][$os]['text']                  = "Cisco IOS-XE";
 $config['os'][$os]['group']                 = "cisco";
Index: includes/polling/graphs/cisco-subscriber-session-mib.inc.php
===================================================================
--- includes/polling/graphs/cisco-subscriber-session-mib.inc.php        (revision 0)
+++ includes/polling/graphs/cisco-subscriber-session-mib.inc.php        (working copy)
@@ -0,0 +1,38 @@
+<?php
+
+/**
+ * Observium
+ *
+ *   This file is part of Observium.
+ *
+ * @package    observium
+ * @subpackage poller
+ * @copyright  (C) 2006-2013 Adam Armstrong, (C) 2013-2015 Observium Limited
+ *
+ */
+
+echo(" CISCO-SUBSCRIBER-SESSION-MIB ");
+$graph = 'bng_active_sessions'; // Current graph
+$graphs[$graph] = FALSE;           // Disable graph by default
+
+if (!isset($graphs_db[$graph]) || $graphs_db[$graph] === TRUE)
+{
+  //walk BNG-sessions from all RSPs
+  $rsp_sessions = snmpwalk_cache_oid($device, "1.3.6.1.4.1.9.9.786.1.2.1.1.5.1", array(), "CISCO-SUBSCRIBER-SESSION-MIB", mib_dirs("cisco"));
+  //the active RSP will have most or all of the sessions, return only the value for the active RSP
+  $session_count = max($rsp_sessions);
+  if (is_numeric($session_count['csubAggStatsUpSessions']))
+  {
+    $rrd_filename  = "bng-active-sessions.rrd";
+
+    rrdtool_create($device, $rrd_filename, " DS:value:GAUGE:600:0:100000000 ");
+    rrdtool_update($device, $rrd_filename, "N:".$session_count['csubAggStatsUpSessions']);
+
+    $graphs[$graph] = TRUE;
+  }
+}
+
+unset($graph, $session_count);
+
+// EOF
+