# Logstash 2.4 to logstash 6.2

**URL:** <https://discuss.elastic.co/t/logstash-2-4-to-logstash-6-2/151237>\
**Category:** Logstash\
**Created:** [October 5, 2018, 3:12pm UTC](https://discuss.elastic.co/t/logstash-2-4-to-logstash-6-2/151237 "2018-10-05T15:12:39Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![sunilmchaudhari](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/sunilmchaudhari/32/9475_2.png) [@sunilmchaudhari](https://discuss.elastic.co/u/sunilmchaudhari)\
**Post date:** [October 5, 2018, 3:12pm UTC](https://discuss.elastic.co/t/logstash-2-4-to-logstash-6-2/151237/1 "2018-10-05T15:12:39Z")

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Hi  
I have elk6.2 already running.  
I want to read logs from aix system.  
For Lsf to send logs to logstash, I need to use logstash 2.4.  
Can I run one instance of LS2.4 for logstash-forwarder and send it's output to LS6.2?

Is this possible?

BR,  
Sunil.

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**Author:** ![magnusbaeck](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/magnusbaeck/32/44943_2.png) [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)\
**Post date:** [October 5, 2018, 4:50pm UTC](https://discuss.elastic.co/t/logstash-2-4-to-logstash-6-2/151237/2 "2018-10-05T16:50:40Z")

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> For Lsf to send logs to logstash, I need to use logstash 2.4.

Really, why?

> Can I run one instance of LS2.4 for logstash-forwarder and send it's output to LS6.2?

Yes.

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<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:** [November 2, 2018, 10:14pm UTC](https://discuss.elastic.co/t/logstash-2-4-to-logstash-6-2/151237/4 "2018-11-02T22:14:18Z")

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