[id='jgroups_tune_system_props-{context}']
= Tuning JGroups Stacks with System Properties
Pass system properties to the JVM at startup to tune JGroups stacks.

For example, to change the `TCP` port and IP address do the following:

[source,options="nowrap",subs=attributes+]
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include::cmd_examples/tune_jgroups_stack.adoc[]
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