CM-RT-GRAPH

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RealTime Cable Modem Graph for DOCSIS

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# CM Real time GRAPH
RealTime Cable Modem Graph for Docsis cable modems

>Displaying current docsis information about the customer or cable modem is always something you must have an option to look at. This is a real time CM graph running for 5 minutes and refreshing after 10 seconds. It is displaying the following information:

- Downstream Signal
- Downstream Signal To Noise Ratio
- Downstream Micro Reflections
- Downstream Codeword Error Ratio
- Downstream Forward Error Correction
- Upstream Signal
- Upstream Signal To Noise Ratio
- Upstream Cable Modem RX Power
- Upstream Codeword Error Ratio
- Upstream Forward Error Correction
- Current Traffic On Cable Interface

***Dashboard***
![Dashboard](https://raw.githubusercontent.com/l-n-monitoring/CM-RT-GRAPH/master/images/screencapture-localhost-3333-d-6gm-OtWWk-rt-cm-graph-2019-05-20-15_58_40.png)

**Prerequirements**
- <a href="https://docs.influxdata.com/influxdb/v1.7/introduction/installation/">InfluxDB</a>
- <a href="https://docs.influxdata.com/telegraf/v1.10/introduction/installation/">Telegraf</a>
- <a href="https://grafana.com/docs/installation/">Grafana</a>
- net-snmp
- <a href="https://pypi.org/project/puresnmp/">puresnmp</a> (pip3 install puresnmp)

**Installation**
```
sudo su
pip3 install puresnmp
cd /opt
git clone https://github.com/l-n-monitoring/CM-RT-GRAPH.git
chmod +x /opt/CM-RT-GRAPH/telegraf/rtPoller/clearRtCM.sh
chmod +x /opt/CM-RT-GRAPH/telegraf/rtPoller/addRtCM.py
sudo echo "*/1 * * * * root /opt/CM-RT-GRAPH/telegraf/rtPoller/clearRtCM.sh" > /etc/cron.d/rtCheck
```
> Edit cmts.json file and add/change your CMTS(es).
```
nano /opt/CM-RT-GRAPH/telegraf/rtPoller/templates/cmts.json
```
```
[
        {
        "hostname": "10.10.1.8",
        "community": "sadfssda25234563",
        "port": 161,
        "cmCommunity": "352672427643vds!dd"
        },
        {
        "hostname": "10.10.1.9",
        "community": "sadfssda25234563",
        "port": 161,
        "cmCommunity": "352672427643vds!dd"
        }

]

```
**Grafana**
> Login to your grafana server: http://yourserver.ip:3000/ (admin/admin by default)

***Add Data Source***
> Let's create data source called "telegraf".

![Add Data Source](https://github.com/l-n-monitoring/CMTS-Monitoring/raw/master/images/create_datasource.jpg)
> Choose green button: Add data source

***Save Data Source***
> Probably influxdb is running on the same server. Database is called "telegraf" and also data source should be called "telegraf".

![Add Data Source](https://github.com/l-n-monitoring/CMTS-Monitoring/raw/master/images/save_datasource.jpg)

***Import Dashboard***
- Slide over dashboard button and click on "Manage".
- On the right side click "Import".
![Add Data Source](https://github.com/l-n-monitoring/CMTS-Monitoring/raw/master/images/manage_dashboard.jpg)

- Click on green button "Upload .json File"
- Choose RT_CM_GRAPH-GRAFANA.json" located in /opt/CM-RT-GRAPH/telegraf/rtPoller/templates/ and click "Import". " and click "Import".

**Add CM To Real Time polling**
```
/opt/CM-RT-GRAPH/telegraf/rtPoller/addRtCM.py 00:22:33:55:33:11
```
>Navigate to http://grafanaip:3000/ choose RT CM GRAPH dashboard and enter cm_mac. Once you'll get the dashboard path you can use direct url. My is http://grafanaip:3000/d/6gm_OtWWk/rt-cm-graph?orgId=1&var-cm_mac=00:22:33:55:33:11. This way you can get direct link.

CM-RT-GRAPH

CM-RT-GRAPH Latest Version Download

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