multicast on 224.2.2.2

[Jerry Geis]

On Thu, Feb 1, 2024 at 9:58 AM Jerry Geis <jerry.geis at gmail.com> wrote:

> I am trying with Ubuntu 22.04 to use vlc to play udp on 224.2.2.2
> it is doing nothing
>
> tcpdump host 224.2.2.2 also shows nothing
>
> however a person on the same vlan has ubuntu 22.04 installed and
> everything works fine.
>
> I have masked firewalld and rebooted - still nothing returns on tcpdump
> host 224.2.2.2
>
> What else can be blocking multicast ?
>
> Jerry
>



Doing this command:
 ip addr add 224.2.2.2/32 dev eno1 autojoin


worked.
Why do I have to do it though?  I thought multicast was an auto thing?

Thanks

Jerry
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