[ 
https://issues.apache.org/jira/browse/ARTEMIS-2341?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Federico Valeri updated ARTEMIS-2341:
-------------------------------------
    Description: 
UDP discovery on localhost (all the nodes are in one machine): the MacOS 
command to enable the multicast route to the loopback interface doesn't work 
[1].

We should change the command to:
{code:java}
sudo route -nv add -net 231.7.7.8 -interface lo0{code}
Replace 231.7.7.8 with the desired address in the multicast range.
 To disable the rule just run:
{code:java}
sudo route -v delete -inet 231.7.7.8{code}
 
 [1] 
[https://activemq.apache.org/components/artemis/documentation/latest/perf-tuning.html#udp-not-working]

  was:
UDP discovery on localhost (all the nodes are in one machine): the MacOS 
command to enable the multicast route to the loopback interface doesn't work 
[1].

 

We should change the command to:
{code:java}
sudo route -nv add -net 231.7.7.8 -interface lo0{code}
Replace 231.7.7.8 with the desired address in the multicast range.

 
 To disable the rule just run:
{code:java}
sudo route -v delete -inet 231.7.7.8{code}
 
 [1] 
[https://activemq.apache.org/components/artemis/documentation/latest/perf-tuning.html#udp-not-working]


> Instructions for multicast setup 'route add' on MacOS
> -----------------------------------------------------
>
>                 Key: ARTEMIS-2341
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-2341
>             Project: ActiveMQ Artemis
>          Issue Type: Improvement
>         Environment: MacOS
>            Reporter: Federico Valeri
>            Priority: Major
>
> UDP discovery on localhost (all the nodes are in one machine): the MacOS 
> command to enable the multicast route to the loopback interface doesn't work 
> [1].
> We should change the command to:
> {code:java}
> sudo route -nv add -net 231.7.7.8 -interface lo0{code}
> Replace 231.7.7.8 with the desired address in the multicast range.
>  To disable the rule just run:
> {code:java}
> sudo route -v delete -inet 231.7.7.8{code}
>  
>  [1] 
> [https://activemq.apache.org/components/artemis/documentation/latest/perf-tuning.html#udp-not-working]



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