Aeron – Issues with Multicast across Switches

I am trying to run a Basic Publisher/Subscriber pair on the same Multicast/Port. It works perfectly when the hosts are connected to the same Switch, but not if the subscriber is on a different Switch. …

Aeron basic pub/sub pair connects on same host, fails across hosts

I am running the BasicPublisher/BasicSubscriber pair from https://github.com/real-logic/aeron binding them to the same multicast group+port. When they run on the same host they connect, but when they …