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57 lines
1.9 KiB
Markdown
57 lines
1.9 KiB
Markdown
---
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layout: page
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title: "Ping (ICMP) Binary sensor"
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description: "Instructions on how to integrate Ping (ICMP)-based binary sensors into Home Assistant."
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date: 2017-04-11 08:00
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sidebar: true
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comments: false
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sharing: true
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footer: true
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logo: home-assistant.png
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ha_category: Network
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ha_release: 0.43
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---
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The `ping` binary sensor platform allows you to using `ping` to send ICMP echo requests. This way you can check if a given host is online and determine the round trip times from your Home Assistant instance to that system.
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## {% linkable_title Configuration %}
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To use this sensor in your installation, add the following to your `configuration.yaml` file:
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```yaml
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# Example configuration.yaml entry
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binary_sensor:
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- platform: ping
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host: 192.168.0.1
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```
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Configuration variables:
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- **host** (*Required*): The IP address or hostname of the system you want to track.
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- **count** (*Optional*): Number of packets to send. Defaults to 5.
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- **name** (*Optional*): Let you overwrite the name of the device. Defaults to `Ping Binary sensor`.
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The sensor exposes the different round trip times values measured by `ping` as attributes:
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- `round trip time mdev`
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- `round trip time avg`
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- `round trip time min`
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- `round trip time max`
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The default polling interval is 5 minutes. As many components [based on the entity class](/docs/configuration/platform_options), it is possible to overwrite this scan interval by specifying a `scan_interval` configuration key (value in seconds). In the example below we setup the `ping` binary sensor to poll the devices every 30 seconds.
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```yaml
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# Example configuration.yaml entry to ping host 192.168.0.1 with 2 packets every 30 seconds.
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binary_sensor:
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- platform: ping
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host: 192.168.0.1
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count: 2
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scan_interval: 30
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```
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<p class='note'>
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When run on Windows systems, the round trip time attributes are rounded to the nearest millisecond and the mdev value is unavailable.
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</p>
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