Change Node Discovery from Multicast to TCP/IP
If you're setting up Confluence Data Center for the first time, it'll step you through the process of choosing your discovery mode and adding cluster nodes. If you're switching from a multicast configuration to TCP/IP (unicast), however, you'll need to edit the
confluence.cfg.xml file in the local home directory of each cluster node.
The changes you need to make may differ slightly, depending on whether you've upgraded from an older version of Confluence Data Center or if you've started with version 5.9. We've detailed both methods, below.
To change from multicast to TCP/IP
Look for the following two lines in the confluence.cfg.xml file:
If both lines exist in the file, change them to the lines below; where the
confluence.cluster.address property exists, but there's no reference to the
confluence.cluster.join.type property, update the first line and add the second line as shown below.
Enter the address of each node, and separate each address with a comma.
You can now restart your cluster nodes.
To change from TCP/IP to multicast
To switch from TCP/IP to multicast, just perform the reverse of the changes outlined above.
Reference of properties in the confluence.cfg.xml file
||Pre-5.9 Data Center installations won't have this key. By default, if the key is missing, Confluence will choose
|a single multicast IP address||This key is only used by confluence if
|a comma-separated string of IP addresses (no spaces)||There must be at least one address here. The addresses are the IP address of each node in the cluster. This key is only used by confluence if
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