Re: [Linuxptp-users] PTP packets not being acted upon by RHEL 7 server

[Richard C. <ric...@gm...>]

On Thu, Dec 15, 2016 at 06:18:33PM +0000, Taber, Alan wrote:
> I have a SecureSync 9400 GrandMaster clock that is appropriately putting out PTPv2 Sync and Announce packets (verified by Wireshark listening on a different network node). I have run tcpdump -i enp9s0 -v to check to see that the packets are getting through to my RHEL 7 server, and they are showing up.
> 
> Yet, when I run ptp4l -i enp9s0 -m, I get the following:

Here ptp4l uses the default UDP/IPv4 transport.

> What indicators should I be looking at to see why the local ptp daemon isn't listening to the packets the server is receiving?

Possibly the server is configured for Layer2 or IPv6?

HTH,
Richard