[Jack-Devel] Failures in connecting mac OSX Sierra and an embedded board with linux via netjack2
frodojedi.mailinglist at gmail.com
Fri May 5 01:07:50 CEST 2017
many thanks! I will have a look to your links and try your suggestion.
I am aware about the default route, indeed in my tests I first tried the
wired connection while disabling the wireless interface.
On Thu, May 4, 2017 at 11:49 PM, Chris Caudle <chris at chriscaudle.org> wrote:
> > How could I verify that multicast is actually working? If it was not
> > working then how the two machines could see each other?
> When I first attempted to connect two machines with netjack I found that
> one machine could transmit and receive multicast, one machine could
> transmit but not receive, so the status messages were confusing, e.g. one
> machine would report that the connection was working, but then report
> errors when it got no responses later.
> I found these links which may be useful. I don't have a mac, so I can't
> say how useful.
> This seems like the most likely to be useful, an implementation of
> multicast ping similar to omping but for Mac:
> Since you mentioned that your machine has two interfaces (I think you said
> wired and wireless) you may want to turn off the wireless interface and
> check with just the wired interface first. On a unicast connection there
> is a default route that your operating system uses to know where to send
> packets with an address that is not known to be on the local network.
> Usually an interface, and the address of a router. For multicast the
> operating system needs something similar, it needs to know which interface
> to use when given a multicast packet to send. I think with only one
> interface enabled that should occur with no intervention, but with two
> interfaces enabled you will probably have to configure the default route
> to use for multicast addresses.
> I think this link explains how to do that from a terminal. There may be
> some network configuration GUI program which can do the same thing, but I
> don't know.
> Chris Caudle
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