Grafana dashboard: RARE/freeRouter - Routed traffic bytes
Description: Display routed traffic byte metrics

`scope:local` to freeRouter node

freeRouter Prometheus configuration: (copy & paste in freeRouter CLI)
* Create hardware and software sensor
```
sensor routraf4
path routraf4/peer/peer
prefix freertr-routraf4
key name routraf4/peer
command sho ipv4 counter inet
prepend routed_traffic4_
name 0 prefix=
replace \. _
replace \/ _
column 1 name pack
column 1 split + typ="sw" typ="hw"
column 2 name byte
column 2 split + typ="sw" typ="hw"
.
exit

sensor routraf6
path routraf6/peer/peer
prefix freertr-routraf6
key name routraf6/peer
command sho ipv6 counter inet
prepend routed_traffic6_
name 0 prefix=
replace \. _
replace \/ _
column 1 name pack
column 1 split + typ="sw" typ="hw"
column 2 name byte
column 2 split + typ="sw" typ="hw"
.
exit
```
* freeRtr server Prometheus agent configuration

```
server prometheus pr
 sensor routraf4
 sensor routraf6
 vrf <PROMETHEUS_VRF>
 exit
```
* Prometheus server configuration (sample config with 2 nodes)
```
global:
  scrape_interval: 15s
  scrape_timeout: 10s
  evaluation_interval: 30s
alerting:
  alertmanagers:
  - static_configs:
    - targets: []
    scheme: http
    timeout: 10s
scrape_configs:
- job_name: router
  scrape_interval: 15s
  scrape_timeout: 10s
  metrics_path: /metrics
  scheme: http
  static_configs:
  - targets:
    - <prometheus_agent_ip_1>:9001
    labels:
      node_name: <prometheus_agent_1_node_name>
  - targets:
    - <prometheus_agent_ip_2>:9001
    labels:
      node_name: <prometheus_agent_2_node_name>
```


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  "refresh": "5s",
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  "timezone": "",
  "title": "RARE/freeRouter - Routed traffic bytes",
  "uid": "sqqgkzcGzbrt4b",
  "version": 3
}