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Can you point me at what particular tcp/udp ports hydra and smpd services use to communicate over the network ?

Dear Collegues,

Can you point me at what particular tcp/udp ports hydra and smpd services use to communicate over the network ? I tried to make an exception for mpiexec utility and hydra service in windows firewall but it still doesn't work for me.

Thanks in advance.

Cheers, Arthur.

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I've already found a solution of this problem. The main reason why hydra and smpd services failed to communicate over the network is that I should have add an exception also to my router firewall not just windows firewall.

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Normally smpd and hydra services use multiple ports to communicate over the network. To provide a network communication you have to add an exception to firewall rules on each node (hosts) in your computation cluster.

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Also, to provide a connection to your computational cluster from the Internet you have to setup NAT translation on your router.

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Also if all above doesn't work for you it's recommended to setup a particular IPsec rules to avoid conflicts with your cluster network security

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Also note that you have to provide those settings to either smpd and hydra services or mpiexec utility itself

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Also use hydra service rather than smpd because it provides more new features as well as improved performance.

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