Liferay - How to enable ecache in Liferay clustering env.

In portal-ext.properties file add following entries.

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net.sf.ehcache.configurationResourceName=/ehcache/hibernate-clustered.xml
ehcache.multi.vm.config.location=/ehcache/liferay-multi-vm-clustered.xml
cluster.link.enabled=true
ehcache.multi.vm.config.location.peerProviderProperties=peerDiscovery=automatic,multicastGroupAddress=230.0.0.2,multicastGroupPort=4446,timeToLive=1
cluster.link.autodetect.address=189.00.00.00:80
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