[jboss-jira] [JBoss JIRA] (JGRP-1677) MERGE3: discard traffic from different clusters

[Bela Ban (JIRA)]

    [ https://issues.jboss.org/browse/JGRP-1677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12799377#comment-12799377 ] 

Bela Ban commented on JGRP-1677:
--------------------------------

False alarm: MERGE3 doesn't get INFO messages from different clusters because
* The transport discards messages from different clusters
* If MPING or TCPPING is used, the PingHeader carries the cluster name and discards messages from different clusters, too
                
> MERGE3: discard traffic from different clusters
> -----------------------------------------------
>
>                 Key: JGRP-1677
>                 URL: https://issues.jboss.org/browse/JGRP-1677
>             Project: JGroups
>          Issue Type: Task
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>             Fix For: 3.4
>
>
> When we have clusters one and two, if MERGE2 running in "one" gets an INFO message from a node in "two", it doesn't discard it.
> This could be the case when we use the TCP:TCPPING combo, and TCPPING.initial_hosts is configured incorrectly, or we use PDC.
> SOLUTION:
> - Ship the cluster name in the MergeHeader and drop INFO messages from different clusters

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