A part of our product is a laptop we deliver to our users; the laptop is intended to not require a network connection. We use RTI ConnextPro 5.3 and we have multiple participants on this laptop communicating status, logs, etc.
We have seen issues where no samples are received by subscribers when none of the network interfaces have an active connection. Participants appear to successfully create their publishers, subscribers, topics, datawriters and datareaders, but no data is actually flowing.
I have reviewed various resources that bring up a similar issue: