Monitoring Splunk

Bandwidth requirements for Splunk

evinasco08
Explorer

hi team

What minimum bandwidth is necessary between indexers and the rest of the platform elements (Heavy Forwarders, Search Heads, Master Cluster, License, Deployment Servers, etc.) for different communications?

Labels (1)
Tags (1)
0 Karma
1 Solution

kiran_panchavat
Champion

@evinasco08 

It truly depends on many factors, like number of events, number of forwarders, as well as stakeholder expectations/requirements, and how much time and money you have!

https://docs.splunk.com/Documentation/Splunk/latest/Capacity/Referencehardware 

https://www.aplura.com/splunk-best-practices/#hardware 

The blog post how's you the bandwidth usage difference between universal and heavy forwarders.

Universal or Heavy, that is the question? | Splunk

The general answer is it depends, however you can refer to

https://answers.splunk.com/answers/2014/what-is-the-minimum-network-bandwidth-required-for-splunk-fo...  OR https://answers.splunk.com/answers/340084/how-to-search-how-much-bandwidth-a-forwarder-is-us.html 

https://docs.splunk.com/Documentation/Splunk/9.2.0/Indexer/Systemrequirements 

https://www.splunk.com/en_us/pdfs/partners/tech-briefs/deploying-splunk-enterprise-on-google-cloud-p... 

Did this help? If yes, please consider giving kudos, marking it as the solution, or commenting for clarification — your feedback keeps the community going!

View solution in original post

0 Karma

kiran_panchavat
Champion

@evinasco08 

It truly depends on many factors, like number of events, number of forwarders, as well as stakeholder expectations/requirements, and how much time and money you have!

https://docs.splunk.com/Documentation/Splunk/latest/Capacity/Referencehardware 

https://www.aplura.com/splunk-best-practices/#hardware 

The blog post how's you the bandwidth usage difference between universal and heavy forwarders.

Universal or Heavy, that is the question? | Splunk

The general answer is it depends, however you can refer to

https://answers.splunk.com/answers/2014/what-is-the-minimum-network-bandwidth-required-for-splunk-fo...  OR https://answers.splunk.com/answers/340084/how-to-search-how-much-bandwidth-a-forwarder-is-us.html 

https://docs.splunk.com/Documentation/Splunk/9.2.0/Indexer/Systemrequirements 

https://www.splunk.com/en_us/pdfs/partners/tech-briefs/deploying-splunk-enterprise-on-google-cloud-p... 

Did this help? If yes, please consider giving kudos, marking it as the solution, or commenting for clarification — your feedback keeps the community going!
0 Karma
Career Survey
First 500 qualified respondents will receive a $20 gift card! Tell us about your professional Splunk journey.
Get Updates on the Splunk Community!

.conf25 Global Broadcast: Don’t Miss a Moment

Hello Splunkers, .conf25 is only a click away.  Not able to make it to .conf25 in person? No worries, you can ...

Observe and Secure All Apps with Splunk

 Join Us for Our Next Tech Talk: Observe and Secure All Apps with SplunkAs organizations continue to innovate ...

What's New in Splunk Observability - August 2025

What's New We are excited to announce the latest enhancements to Splunk Observability Cloud as well as what is ...