On 6 Jan 2016, at 16:28, Marek Posolda <mposolda(a)redhat.com&gt; wrote: Yes, you can do that. You will need to reconfigure JGroups stack inside Wildfly to use TCP protocol instead of default UDP and to use TCPPING for discovery (TCPPING allows to list all cluster members as you mentioned). See Wildfly and JGroups documentation for details how to configure stack. Marek On 06/01/16 07:47, Eugene Chow wrote: > Hi guys, > > Is it possible for clustering to work without the use of multicast traffic? My provider blocks multicast traffic by default and refuses to budge. > > Can I manually supply (the IP addresses of) all the nodes in the cluster to each Keycloak instance, so that they are aware of each other? > > > Thanks and happy new year to the Keycloak team! > _______________________________________________ > keycloak-user mailing list > keycloak-user(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/keycloak-user