What is the configurations for enabling `ehcache replication`?

I have a project that used JPA and Hibernate in DataAccessLayer with OraclDB and WebLogic application server. Also, I provided second-level-cache through ehcache as following configs:

second-level-cache

ehcache

ehcache.xml

<ehcache>
<diskStore path="java.io.tmpdir"/>
<defaultCache>
maxEntriesLocalHeap="10000"
eternal="false"
timeToIdleSeconds="120"
timeToLiveSeconds="120"
maxEntriesLocalDisk="10000000"
diskExpiryThreadIntervalSeconds="120"
memoryStoreEvictionPolicy="LRU"/>
<persistence strategy="localTempSwap"
</defaultCache>
</ehcache>


persistence.xml

<persistence-unit name="datasource1" transaction-type="JTA">
<provider>org.hibernate.ejb.HibernatePersistence</provider>
<jta-data-source>my_datasource</jta-data-source>
<class>...</class>
<exclude-unlisted-classes>false</exclude-unlisted-classes>
<properties>
<property name="hibernate.dialect" value="org.hibernate.dialect.Oracle10gDialect"/>
<property name="hibernate.hbm2ddl.auto" value="update"/>
<property name="hibernate.show_sql" value="true"/>
<!--add this config for weblogic-->
<property name="hibernate.transaction.jta.platform"
value="org.hibernate.service.jta.platform.internal.WeblogicJtaPlatform"/>
<property name="hibernate.cache.use_second_level_cache" value="true"/>
<property name="hibernate.cache.use_query_cache" value="true"/>
<property name="hibernate.cache.region.factory_class"
value="org.hibernate.cache.ehcache.EhCacheRegionFactory"/>
</properties>
</persistence-unit>


and my dependencies in pom.xml :

<dependency>
<groupId>javax.persistence</groupId>
<artifactId>javax.persistence-api</artifactId>
<version>2.2</version>
</dependency>
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>7.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>4.2.0.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>4.2.0.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>4.2.0.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-ehcache</artifactId>
<version>4.2.0.Final</version>
</dependency>


My Question:

We need in our project to provide a clustering system.
As in our business we preserve sessions (we are somehow stateful), so we want to enable ehcache replication technology to provide sessions in all nodes of cluster.
What is the configurations for enabling ehcache replication?

ehcache replication

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