# How to get information about packet loss

**URL:** <https://discuss.elastic.co/t/how-to-get-information-about-packet-loss/99613>\
**Category:** Beats\
**Created:** [September 6, 2017, 4:16pm UTC](https://discuss.elastic.co/t/how-to-get-information-about-packet-loss/99613 "2017-09-06T16:16:41Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Christian\_H](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_h/32/94049_2.png) [@Christian\_H](https://discuss.elastic.co/u/Christian_H)\
**Post date:** [September 6, 2017, 4:16pm UTC](https://discuss.elastic.co/t/how-to-get-information-about-packet-loss/99613/1 "2017-09-06T16:16:41Z")

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I use elastalert and want to get an alert at around 1% packet loss.

To test this am forcing a packet loss of 3% on my system using the command:

```
tc qdisc adddev eth0 root netem loss 3% && sleep 100 && tc qdisc change dev eth0 root netem loss 0.0%

```

In which beat's field can I see the packet loss? Do I have to use metricbeat or packetbeat?

What field do I have to analyze?

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [September 27, 2017, 4:16pm UTC](https://discuss.elastic.co/t/how-to-get-information-about-packet-loss/99613/2 "2017-09-27T16:16:53Z")

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