Why multicast communication is not taking place between two hosts when the iptables or firewalld is running ?

Solution Verified - Updated -

Issue

  • Multicast communication is not working between two host when iptables are running on the system.
  • When iptables are stopped, multicast communication takes place.

Environment

  • Red Hat Enterprise Linux (All Versions).
  • iptables.service.
  • FirewallD.service.

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content