---
title: ICMP fields
description: None IP ping fields. ICMP Echo Request and Reply round trip time 
url: https://www.elastic.co/docs/reference/beats/heartbeat/exported-fields-icmp
products:
  - Beats
  - Heartbeat
applies_to:
  - Elastic Stack: Generally available
---

# ICMP fields
None

## icmp

IP ping fields.
<definitions>
  <definition term="icmp.requests">
    Number if ICMP EchoRequests send.
    type: integer
  </definition>
</definitions>


## rtt

ICMP Echo Request and Reply round trip time
<definitions>
  <definition term="icmp.rtt.us">
    Duration in microseconds
    type: long
  </definition>
</definitions>