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Network Time Protocol (NTP)

  • NTP time offset threshold support (ACX7020-AC, ACX7020-AC-C, ACX7020-DC, ACX7020-DC-C, ACX7100-32C, ACX7100-48L, ACX7332, ACX7348, ACX7509, ACX7024, ACX7024X, PTX10001-36MR, PTX10001-36MR-K, PTX10002-36QDD, PTX10002-36CD, PTX10002-60MR, PTX10003, PTX10004, PTX10008, PTX10016, QFX5130-32CD, QFX5130E-32CD, QFX5130-48C, QFX5130-48CM, QFX5140-24CD8O, QFX5700, QFX5700E, QFX5220, QFX5230-64CD, QFX5240-64OD, QFX5240-64QD, QFX5241-32OD, QFX5241-64OD, QFX5241-64QD, QFX5250-64OE, QFX5250-64OE-DOT2L, QFX5250-64OE-DAO, QFX5250-64OE-DO-T3, and QFX5250-64OE-L)—Use the ntp threshold configuration to detect and handle NTP time discrepancies, mitigate spoofed NTP attacks, and preserve log accuracy. Use the CLI command set system ntp threshold action accept|reject <value> to configure a threshold and action to accept (and log), or to reject synchronization that exceeds the threshold value. You can also manually synchronize time with the NTP service if required.

    [See ntp threshold.]