diff --git a/nem-monitoring/grafana-dashboards/multi-site-system-summary.json b/nem-monitoring/grafana-dashboards/multi-site-system-summary.json
new file mode 100644
index 0000000..64b6bb5
--- /dev/null
+++ b/nem-monitoring/grafana-dashboards/multi-site-system-summary.json
@@ -0,0 +1,508 @@
+{
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": "-- Grafana --",
+        "enable": true,
+        "hide": true,
+        "iconColor": "rgba(0, 211, 255, 1)",
+        "name": "Annotations & Alerts",
+        "type": "dashboard"
+      }
+    ]
+  },
+  "description": "Support Node Exporter v0.16 and above.",
+  "editable": true,
+  "gnetId": 11074,
+  "graphTooltip": 0,
+  "id": 9,
+  "iteration": 1580631219620,
+  "links": [],
+  "panels": [
+    {
+      "collapsed": false,
+      "datasource": null,
+      "gridPos": {
+        "h": 1,
+        "w": 24,
+        "x": 0,
+        "y": 0
+      },
+      "id": 179,
+      "panels": [],
+      "repeat": "site",
+      "title": "$site",
+      "type": "row"
+    },
+    {
+      "datasource": "Prometheus",
+      "gridPos": {
+        "h": 10,
+        "w": 8,
+        "x": 0,
+        "y": 1
+      },
+      "id": 177,
+      "options": {
+        "displayMode": "lcd",
+        "fieldOptions": {
+          "calcs": [
+            "last"
+          ],
+          "defaults": {
+            "mappings": [],
+            "max": 100,
+            "min": 0,
+            "thresholds": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "#EAB839",
+                "value": 60
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ],
+            "title": "",
+            "unit": "percent"
+          },
+          "override": {},
+          "values": false
+        },
+        "orientation": "horizontal"
+      },
+      "pluginVersion": "6.4.2",
+      "repeat": null,
+      "repeatDirection": "v",
+      "targets": [
+        {
+          "expr": "100 - (avg(irate(node_cpu_seconds_total{datacenter=\"$site\",mode=\"idle\"}[30m])) * 100)",
+          "instant": true,
+          "legendFormat": "CPU Busy",
+          "refId": "A"
+        },
+        {
+          "expr": "avg(irate(node_cpu_seconds_total{datacenter=\"$site\",mode=\"iowait\"}[30m])) * 100",
+          "hide": true,
+          "instant": true,
+          "legendFormat": "Busy Iowait",
+          "refId": "C"
+        },
+        {
+          "expr": "(1 - (node_memory_MemAvailable_bytes{datacenter=\"$site\"} / (node_memory_MemTotal_bytes{datacenter=\"$site\"})))* 100",
+          "instant": true,
+          "legendFormat": "Memory Usage ({{kubernetes_node}})",
+          "refId": "B"
+        },
+        {
+          "expr": "100 - ((node_filesystem_avail_bytes{datacenter=\"$site\",mountpoint=\"$maxmount\",fstype=~\"ext4|xfs\"} * 100) / node_filesystem_size_bytes{datacenter=\"$site\",mountpoint=\"$maxmount\",fstype=~\"ext4|xfs\"})",
+          "hide": false,
+          "instant": true,
+          "legendFormat": "Disk Usage ({{kubernetes_node}})",
+          "refId": "D"
+        }
+      ],
+      "timeFrom": null,
+      "timeShift": null,
+      "title": "",
+      "type": "bargauge"
+    },
+    {
+      "aliasColors": {
+        "15分钟": "#6ED0E0",
+        "1分钟": "#BF1B00",
+        "5分钟": "#CCA300"
+      },
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "Prometheus",
+      "editable": true,
+      "error": false,
+      "fill": 1,
+      "fillGradient": 1,
+      "grid": {},
+      "gridPos": {
+        "h": 10,
+        "w": 8,
+        "x": 8,
+        "y": 1
+      },
+      "height": "300",
+      "id": 13,
+      "legend": {
+        "alignAsTable": true,
+        "avg": true,
+        "current": true,
+        "max": true,
+        "min": false,
+        "rightSide": false,
+        "show": true,
+        "total": false,
+        "values": true
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "maxPerRow": 6,
+      "nullPointMode": "null as zero",
+      "options": {
+        "dataLinks": []
+      },
+      "percentage": false,
+      "pointradius": 5,
+      "points": false,
+      "renderer": "flot",
+      "repeat": null,
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "node_load1{datacenter=\"$site\"}",
+          "format": "time_series",
+          "hide": true,
+          "instant": false,
+          "interval": "",
+          "intervalFactor": 1,
+          "legendFormat": "{{kubernetes_node}}_1m",
+          "metric": "",
+          "refId": "A",
+          "step": 20,
+          "target": ""
+        },
+        {
+          "expr": "node_load5{datacenter=\"$site\"}",
+          "format": "time_series",
+          "instant": false,
+          "interval": "",
+          "intervalFactor": 1,
+          "legendFormat": "{{kubernetes_node}}",
+          "refId": "B",
+          "step": 20
+        },
+        {
+          "expr": "node_load15{datacenter=\"$site\"}",
+          "format": "time_series",
+          "hide": true,
+          "instant": false,
+          "interval": "",
+          "intervalFactor": 1,
+          "legendFormat": "{{kubernetes_node}}_15m",
+          "refId": "C",
+          "step": 20
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeRegions": [],
+      "timeShift": null,
+      "title": "System Load (5m average)",
+      "tooltip": {
+        "msResolution": false,
+        "shared": true,
+        "sort": 2,
+        "value_type": "cumulative"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "short",
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
+    {
+      "aliasColors": {
+        "192.168.10.227:9100_em1_in下载": "super-light-green",
+        "192.168.10.227:9100_em1_out上传": "dark-blue"
+      },
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "Prometheus",
+      "fill": 1,
+      "fillGradient": 3,
+      "gridPos": {
+        "h": 10,
+        "w": 8,
+        "x": 16,
+        "y": 1
+      },
+      "height": "300",
+      "id": 157,
+      "legend": {
+        "alignAsTable": true,
+        "avg": false,
+        "current": true,
+        "hideEmpty": true,
+        "hideZero": true,
+        "max": true,
+        "min": false,
+        "rightSide": false,
+        "show": true,
+        "sort": "current",
+        "sortDesc": true,
+        "total": false,
+        "values": true
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "options": {
+        "dataLinks": []
+      },
+      "percentage": false,
+      "pointradius": 0.5,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [
+        {
+          "alias": "/.*_transmit$/",
+          "transform": "negative-Y"
+        }
+      ],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "irate(node_network_receive_bytes_total{datacenter=\"$site\",device!~'tap.*|veth.*|br.*|docker.*|virbr*|lo*|tunl0|cali.*'}[30m])*8",
+          "format": "time_series",
+          "intervalFactor": 1,
+          "legendFormat": "{{kubernetes_node}}_{{device}}_receive",
+          "refId": "A",
+          "step": 4
+        },
+        {
+          "expr": "irate(node_network_transmit_bytes_total{datacenter=\"$site\",device!~'tap.*|veth.*|br.*|docker.*|virbr*|lo*|tunl0|cali.*'}[30m])*8",
+          "format": "time_series",
+          "intervalFactor": 1,
+          "legendFormat": "{{kubernetes_node}}_{{device}}_transmit",
+          "refId": "B",
+          "step": 4
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeRegions": [],
+      "timeShift": null,
+      "title": "Network Traffic",
+      "tooltip": {
+        "shared": true,
+        "sort": 2,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "bps",
+          "label": "transmit（-）/receive（+）",
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": false
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    }
+  ],
+  "refresh": false,
+  "schemaVersion": 20,
+  "style": "dark",
+  "tags": [
+    "aether"
+  ],
+  "templating": {
+    "list": [
+      {
+        "allValue": null,
+        "current": {
+          "tags": [],
+          "text": "All",
+          "value": [
+            "$__all"
+          ]
+        },
+        "datasource": "Prometheus",
+        "definition": "label_values(node_uname_info, datacenter)",
+        "hide": 0,
+        "includeAll": true,
+        "label": "Site",
+        "multi": true,
+        "name": "site",
+        "query": "label_values(node_uname_info, datacenter)",
+        "refresh": 2,
+        "regex": "",
+        "skipUrlSync": false,
+        "sort": 0,
+        "tagValuesQuery": "",
+        "tags": [],
+        "tagsQuery": "",
+        "type": "query",
+        "useTags": false
+      },
+      {
+        "allValue": null,
+        "current": {
+          "text": "/",
+          "value": "/"
+        },
+        "datasource": "Prometheus",
+        "definition": "query_result(topk(1,sort_desc (max(node_filesystem_size_bytes{fstype=~\"ext4|xfs\"}) by (mountpoint))))",
+        "hide": 2,
+        "includeAll": false,
+        "label": "",
+        "multi": false,
+        "name": "maxmount",
+        "options": [],
+        "query": "query_result(topk(1,sort_desc (max(node_filesystem_size_bytes{fstype=~\"ext4|xfs\"}) by (mountpoint))))",
+        "refresh": 2,
+        "regex": "/.*\\\"(.*)\\\".*/",
+        "skipUrlSync": false,
+        "sort": 0,
+        "tagValuesQuery": "",
+        "tags": [],
+        "tagsQuery": "",
+        "type": "query",
+        "useTags": false
+      },
+      {
+        "allFormat": "glob",
+        "allValue": null,
+        "current": {
+          "isNone": true,
+          "text": "None",
+          "value": ""
+        },
+        "datasource": "Prometheus",
+        "definition": "",
+        "hide": 2,
+        "includeAll": false,
+        "label": "环境",
+        "multi": false,
+        "multiFormat": "regex values",
+        "name": "env",
+        "options": [],
+        "query": "label_values(node_exporter_build_info,env)",
+        "refresh": 2,
+        "regex": "",
+        "skipUrlSync": false,
+        "sort": 1,
+        "tagValuesQuery": "",
+        "tags": [],
+        "tagsQuery": "",
+        "type": "query",
+        "useTags": false
+      },
+      {
+        "allFormat": "glob",
+        "allValue": "",
+        "current": {
+          "isNone": true,
+          "text": "None",
+          "value": ""
+        },
+        "datasource": "Prometheus",
+        "definition": "label_values(node_exporter_build_info{env=~'$env'},name)",
+        "hide": 2,
+        "includeAll": false,
+        "label": "名称",
+        "multi": true,
+        "multiFormat": "regex values",
+        "name": "name",
+        "options": [],
+        "query": "label_values(node_exporter_build_info{env=~'$env'},name)",
+        "refresh": 2,
+        "regex": "",
+        "skipUrlSync": false,
+        "sort": 1,
+        "tagValuesQuery": "/.*/",
+        "tags": [],
+        "tagsQuery": "",
+        "type": "query",
+        "useTags": false
+      }
+    ]
+  },
+  "time": {
+    "from": "now-24h",
+    "to": "now"
+  },
+  "timepicker": {
+    "now": true,
+    "refresh_intervals": [
+      "5s",
+      "10s",
+      "30s",
+      "1m",
+      "5m",
+      "15m",
+      "30m",
+      "1h",
+      "2h",
+      "1d"
+    ],
+    "time_options": [
+      "5m",
+      "15m",
+      "1h",
+      "6h",
+      "12h",
+      "24h",
+      "2d",
+      "7d",
+      "30d"
+    ]
+  },
+  "timezone": "browser",
+  "title": "Multi-Site System Monitoring Summary",
+  "uid": "hb7fSE0Za",
+  "version": 7
+}