Re: [Linuxptp-users] neither machine acknowledges the other

[Bryan Y. <br...@gm...>]

Keller, Jacob E <jacob.e.keller@...> writes:
> 
> Hi,
> 
> 
> Try ensuring any firewall (iptables, firewalld, etc) has allowed
> multicast traffic. That's usually the symptom I see when the packets
> arrive in tcpdump but not the application.

*face palm*

I probably should have thought of that.  Sure enough, fixing up iptables 
does the trick.

Thanks for the pointer!

Bryan