Helpful Linux Commands for testing MulticastingCreated: 30 May 2019 Modified:
Finding useful commands for troubleshooting multicasting was difficult because most were not installed on the servers.
Running the following command should display number of incoming and outgoing multicast packets. Running it multiple times should result in the numbers increasing in value.
Display multicast packet counts
Display multicast ip addresses joined
Running ifconfig should display multicast in the resulting output. ifconfig
Display network interface information
Omping can be used to troubleshoot multicasting. When run on two different servers/VMs it uses multicasting and reports on packet losses when stopped with Ctrl-C.
Show IP addresses and Ports that are listening.
Display listening portstags: linux - multicasting