# HeartBeat ICMP question **URL:** https://discuss.elastic.co/t/heartbeat-icmp-question/224097 **Category:** Beats **Tags:** heartbeat **Created:** [March 18, 2020, 11:58am UTC](https://discuss.elastic.co/t/heartbeat-icmp-question/224097 "2020-03-18T11:58:35Z") **Posts on this page:** 4 **Page:** 1
### Author: ![rguptarg](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/rguptarg/32/60643_2.png) [@rguptarg](https://discuss.elastic.co/u/rguptarg) #### Post date: [March 18, 2020, 11:58am UTC](https://discuss.elastic.co/t/heartbeat-icmp-question/224097/1 "2020-03-18T11:58:35Z")
Hi Team, I am new in Heartbeat/ELKStack, can you please help me to understand below points:- - Can we use Heartbeat as an opensource? - IS there any limitation to configure IP/host for ICMP Monitoring, I have 3000+ servers, so can I monitoring ICMP for all 3000 servers through Heartbeat? - If I'll put all hosts details in a file and heartbeat will use that file and monitor ICMP for all hosts. If it's possible, how can I do this. Thanks ---
### Author: ![Andrew\_Cholakian1](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/andrew_cholakian1/32/3612_2.png) [@Andrew\_Cholakian1](https://discuss.elastic.co/u/Andrew_Cholakian1) #### Post date: [March 18, 2020, 3:57pm UTC](https://discuss.elastic.co/t/heartbeat-icmp-question/224097/2 "2020-03-18T15:57:21Z")
Yes, you can download a pure OSS version of heartbeat. However, you can use the regular version of heartbeat in most situations for free that has extra features. 3000 servers is a very light load for heartbeat to monitor. We have users monitoring many times that from a single instance. Please see the [heartbeat monitor docs](https://www.elastic.co/guide/en/beats/heartbeat/current/configuration-heartbeat-options.html) for info on configuration. ---
### Author: ![rguptarg](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/rguptarg/32/60643_2.png) [@rguptarg](https://discuss.elastic.co/u/rguptarg) #### Post date: [April 13, 2020, 10:30am UTC](https://discuss.elastic.co/t/heartbeat-icmp-question/224097/3 "2020-04-13T10:30:11Z")
Thanks for reply. I have total 20K IP list, so can I monitor all IP's in single config file ? or should I divide the file? ---
### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system) #### Post date: [May 11, 2020, 10:30am UTC](https://discuss.elastic.co/t/heartbeat-icmp-question/224097/4 "2020-05-11T10:30:14Z")
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