Red Hat Summit3.3. Configuring PTP-NTP bridge
If a highly accurate Precision Time Protocol (PTP) primary timeserver is available in a network that does not have switches or routers with PTP support, a computer may be dedicated to operate as a PTP client and a stratum-1 NTP server. Such a computer needs to have two or more network interfaces, and be close to the primary timeserver or have a direct connection to it. This will ensure highly accurate synchronization in the network.
Procedure
-
Configure the ptp4l and phc2sys programs from the
linuxptppackages to use one interface to synchronize the system clock by usingPTP. Configure
chronydto provide the system time by using the other interface:bindaddress 203.0.113.74 hwtimestamp enp1s0 local stratum 1Restart the chronyd service:
# systemctl restart chronyd
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