Hello, I am trying to set up my RHEL computer to be a boundary clock to other RHEL computers through a switch (Grandmaster --> Server 1 --> Switch --> Server 2).
I have server 1 synced to the grandmaster through one nic, nic 1. I am hoping to have server 2 sync to server 1 through another nic, nic 2. I am using wireshark to monitor the traffic on both nics and it appears server 1 isn't sending out ptp information. A lot of my configuration is the defaults and ptp4l is run through the following command: "sudo ptp4l -I <nic> -m." Using PMC, I verify it is synced to the grandmaster (as well as having the grandmaster be 5 minutes faster so my server 1's time changed). When I try to add the other nic in the config file, it errors. It says it cant open the port of the nic to server 2. I tried running "sudo ptp4l -i nic2 -m" on command line and it does appear to broadcast ptp, but it's using a local clock as grandmaster and not my grandmaster. Am I forgetting something to make server 1 to output PTP as a boundary clock? I made sure the grandmaster has a lower priority and every preceding device has a higher priority. Additionally, I enabled the ptp firewalls on both servers. And advice would be appreciated. Thank you, Benjamin Chang Research Engineer II
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