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I am trying to do the same where the TX1 is the master and my pc is the client. I want to subscribe to the ros topics from master. After the I followed the steps above, I can see the rostopics listed in my PC(Client). But when do the rostopic echo /topic name I cannot see any values printed. Can you kindly let me know if I am skipping any steps here? or how to receive the messages on the client side?

Thanks