Index: /branches/amp_3_7_2/extensions/monitoring/webui/resource/llb/llb.controller.js
===================================================================
--- /branches/amp_3_7_2/extensions/monitoring/webui/resource/llb/llb.controller.js	(revision 2973)
+++ /branches/amp_3_7_2/extensions/monitoring/webui/resource/llb/llb.controller.js	(working copy)
@@ -170,6 +170,10 @@
                         dashboardService.getLLBStatistics(payload).then(function (res) {
                             serviceViewModel.loading = false;
                             if (res && res.status === 200) {
+                                serviceViewModel.concurrentConnections = 0;
+                                serviceViewModel.totalHits = 0;
+                                serviceViewModel.totalReceived = 0;
+                                serviceViewModel.totalSent = 0;
                                 if (res.data.length > 0) {
                                     _.each(res.data, function (linkMetric) {
                                         let llbMetric = [];
Index: /branches/amp_3_7_2/extensions/monitoring/webui/resource/llb/llb_details.controller.js
===================================================================
--- /branches/amp_3_7_2/extensions/monitoring/webui/resource/llb/llb_details.controller.js	(revision 2973)
+++ /branches/amp_3_7_2/extensions/monitoring/webui/resource/llb/llb_details.controller.js	(working copy)
@@ -304,28 +304,31 @@
             }
 
             function getLLBMonitoringStatistics() {
-                throughputChartOptions.series[0].data = [];
-                throughputChartOptions.series[1].data = [];
-                usageChartOptions.series[0].data = [];
-                connectionsChartOptions.series[0].data = [];
-                hitsChartOptions.series[0].data = [];
-
                 monitorResourceService.getLLBMonitoringStatistics({
                     link_name: $stateParams.linkName,
                     from: modalViewModel.time.from,
                     to: modalViewModel.time.to,
                 }).then(function (res) {
+                    throughputChartOptions.series[0].data = [];
+                    throughputChartOptions.series[1].data = [];
+                    usageChartOptions.series[0].data = [];
+                    connectionsChartOptions.series[0].data = [];
+                    hitsChartOptions.series[0].data = [];
+
                     if (res && res.status === 200) {
                         modalViewModel.llbStatistics = res.data[0];
-                        modalViewModel.llbStatistics = modalViewModel.llbStatistics['values'];
+                        modalViewModel.llbStatistics = (modalViewModel.llbStatistics && modalViewModel.llbStatistics['values']) ? modalViewModel.llbStatistics['values'] : [];
                     }
-                    modalViewModel.llbStatistics.forEach(function (stats) {
-                        throughputChartOptions.series[0].data.push([stats[0], stats[1]]);
-                        throughputChartOptions.series[1].data.push([stats[0], stats[2]]);
-                        usageChartOptions.series[0].data.push([stats[0], stats[3]]);
-                        connectionsChartOptions.series[0].data.push([stats[0], stats[4]]);
-                        hitsChartOptions.series[0].data.push([stats[0], stats[5]]);
-                    });
+                    
+                    if (modalViewModel.llbStatistics && Array.isArray(modalViewModel.llbStatistics)) {
+                        modalViewModel.llbStatistics.forEach(function (stats) {
+                            throughputChartOptions.series[0].data.push([stats[0], stats[1]]);
+                            throughputChartOptions.series[1].data.push([stats[0], stats[2]]);
+                            usageChartOptions.series[0].data.push([stats[0], stats[3]]);
+                            connectionsChartOptions.series[0].data.push([stats[0], stats[4]]);
+                            hitsChartOptions.series[0].data.push([stats[0], stats[5]]);
+                        });
+                    }
                     if (throughputChartOptions && typeof throughputChartOptions === 'object') {
                         throughputChart.setOption(throughputChartOptions);
                     }