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NTP Time Synchronization on SRX Series Devices
Network Time Protocol (NTP) is used to synchronize the time between the Packet Forwarding Engine and the Routing Engine in a standalone device and between two devices in a chassis cluster.
In both standalone and chassis cluster modes, the primary Routing Engine runs the NTP process to get the time from the external NTP server. Although the secondary Routing Engine runs the NTP process in an attempt to get the time from the external NTP server, this attempt fails because of network issues. For this reason, the secondary Routing Engine uses NTP to get the time from the primary Routing Engine.
Use NTP to:
- Send the time from the primary Routing Engine to the secondary Routing Engine through the chassis cluster control link.
- Get the time from an external NTP server to the primary or a standalone Routing Engine.
- Get the time from the Routing Engine NTP process to the Packet Forwarding Engine.
