Hello Miroslav Lichvar, Please find the value of ptp config as per 8275.1 standards.
logAnnounceInterval -3 announceReceiptTimeout 3 We can't increase beyond the above values. regards, Ramesh On Thursday, March 17, 2022, 04:10:38 PM GMT+5:30, Miroslav Lichvar <mlich...@redhat.com> wrote: On Wed, Mar 16, 2022 at 06:23:23PM +0000, ramesh t via Linuxptp-users wrote: > ptp4l: [704774.649] port 1: announce timeout > ptp4l: [704774.649] port 1: SLAVE to MASTER on > ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES > > On debugging further, when port 2 is configured for down state, we call > raw_close in port_disable, to close the open FDs. This closure is taking > around 600ms to 800ms. This in turn impacts handling on accounce packets on > port1 connected to BC/GM. > > Can you please suggest how we can resolve this issue? Maybe some optimization could be implemented in the kernel to shorten that time. I don't know why it takes so long. What is your logAnnounceInterval and announceReceiptTimeout? Could they be increased? -- Miroslav Lichvar _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
