How can I debug and test whether multicast traffic is working between two hosts? Updated 2015-02-08T02:36:10+00:00 While configuring or troubleshooting software that utilizes multicast, a need arises to test whether multicast traffic is passing correctly between two or more hosts How can we verify that the network is able to pass multicast traffic? Subscriber content preview. For full access to the Red Hat Knowledgebase, please log in.Not a subscriber? Learn more about the benefits of Red Hat Subscriptions.