problem when deploying CounterServiceDemo in a cluster

[Cheng Li]

Hi all,

I am able to run the CounterServiceDemo in a single machine with three instances, namely A, B, and C. However, when I deployed the same experiment in my local cluster within three distinct machines, each machine cannot join the multicast group. Have you guys tested this feature before with jgroups-raft? I am able to test the multicast with the jgroups jar.

Thanks,

   Cheng

[Cheng Li]

Hi all,

I solved the problem by setting ip_ttl to a positive number. The following sentence is from the jgroups-raft site to describe the meaning of ip_ttl.

The time-to-live (TTL) for multicast datagram packets. Default is 8

When downloading the source code from the github site, the value of ip_ttl is set to 0.

Thanks,

   Cheng

[Bela Ban]

Sorry for the late reply (was out of office last week) and this.

I'll change the ip_ttl when I get back home.

Thanks,

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[Bela Ban]

Hi Cheng,

sorry for the delay, I was out of town for the last 2 weeks. I changed
this in jgroups-raft by setting UDP.ip_ttl to 8 by default.

On 05/06/15 18:47, Cheng Li wrote:
> Hi all,
>
> I solved the problem by setting ip_ttl to a positive number. The
> following sentence is from the jgroups-raft site to describe the meaning
> of ip_ttl.
>
> The time-to-live (TTL) for multicast datagram packets. Default is 8
>
>
> When downloading the source code from the github site, the value of
> ip_ttl is set to 0.
>
> Thanks,
> Cheng
>
> On Friday, June 5, 2015 at 2:45:53 PM UTC+1, Cheng Li wrote:
>
> Hi all,
>
> I am able to run the CounterServiceDemo in a single machine with
> three instances, namely A, B, and C. However, when I deployed the
> same experiment in my local cluster within three distinct machines,
> each machine cannot join the multicast group. Have you guys tested
> this feature before with jgroups-raft? I am able to test the
> multicast with the jgroups jar.
>
> Thanks,
> Cheng
>

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--
Bela Ban, JGroups lead (http://www.jgroups.org)