[Linuxptp-users] Master Clock Choice

2016-06-23 Thread Vanderpool, Clyde
PTP users, I have a question about how the choice of a parent clock is decided. I have included a block diagram of the LAN that I have synchronized with ptp4l (software time stamping) in the attachment of this email. Names of various 'links' are inside the green squares. The left side of the

Re: [Linuxptp-users] Problems with ptp4l via a Cisco Nexus 5000 Switch

2016-06-23 Thread Richard Cochran
On Thu, Jun 23, 2016 at 02:08:02PM +0200, Christian wrote: > there also was this line every one in a while: > > ptp4l[5828.626]: port 1: minimum delay request interval 2^^4 That is informational only, not an error. > I am starting the Master with a config File. > ptp4l -f /etc/ptp.config > >

Re: [Linuxptp-users] Frequency Adjustment

2016-06-23 Thread Richard Cochran
On Wed, Jun 22, 2016 at 08:16:20AM -0400, Vanderpool, Clyde wrote: > I guess a little bit of both. From looking things up on google or > different forums all I could find was kind of circular (i.e. 'frequency > adjustment is the computer adjusting it's frequency') I figured it had > something to

[Linuxptp-users] Problems with ptp4l via a Cisco Nexus 5000 Switch

2016-06-23 Thread Christian
Hello, I'm currently trying to set up a ptp4l session between 3 servers, which are connected via a Cisco Nexus 5000 switch Server A is supposed to be the grand master, Server B and C should be the slaves. The Grandmaster is working fine, the Switch does accept it, but the Slaves are not