ptp alarm-threshold clock-source-class class-value 缺省情况下,时钟源劣化日志输出参数为6。 仅IEEE 1588 version 2协议标准支持配置本功能。 (3) 配置PTP源绝对时间差日志输出参数。 ptp alarm-threshold time-offset time-offset-value 缺省情况下,PTP源绝对时间差日志输出参数为500ns。 仅IEEE 1588 version 2...
Class : 6 Accuracy : 32 Offset (log variance) : 65535 Offset from master : 0 (ns) Mean path delay : 0 (ns) Steps removed : 0 Local clock time : Sun Jan 15 20:57:29 2019 #在Device A上显示PTP的简要运行信息。 [DeviceA] display ptp interface brief Name State Delay mechanism Clock...
priority 1:时钟优先级1,支持用户配置,取值范围是0～255,取值越小优先级越高。 Clock Class:时钟级别,定义时钟的时间或频率的国际原子时TAI(International Atomic Time)跟踪能力。0=GNSS、6=锁定在同步、7=Holdover. Clock Accuracy:时钟精度,取值越低精确度越高。<100ns、<250ns、<1us. offset Log Variance:时...
clock ID :001882fffe77c2cfReceive number :GigabitEthernet1/0/0Parent clock ID :001882fffe1b1bf4Parent portnumber :1024 Priority1 :128 Priority2 :128 Step removed :1 Clock accuracy :32 Clock class :6 Time Source :32 UTC Offset :0 UTC Offset Valid :False Time Scale :PTP Time Traceable ...
clock ID :001882fffe77c2cfReceive number :GigabitEthernet1/0/0Parent clock ID :001882fffe1b1bf4Parent portnumber :1024 Priority1 :128 Priority2 :128 Step removed :1 Clock accuracy :32 Clock class :6 Time Source :32 UTC Offset :0 UTC Offset Valid :False Time Scale :PTP Time Traceable ...
PTP设备在执行动态BMC选源算法时,优先级选择的排序是priority1>clock-class>clock-accuracy>OffsetScaledLogVariance>priority2,即先比较参选时间源的priority1,若priority1相同再比较clock-class,以此类推,优先级高、级别高、精度好的时钟成为最优时钟。
Peer-to-Peer Transparent Clock (P2P) Scalability Best Master Clock Algorithm (BMCA) PTP Messages Event General Configuration Debug commands Packet Captures Announce message Sync message Follow-up message Delay request message Delay response message ...
PTP Clock Class Specifications Lower the class means better Master Clock, its value can be from 0 to 255 decimal Clock Class 6:Locked with Primary Reference Clock Clock Class 7:PRC unlocked but still in spec Clock Class 13:Locked to app specific timescale ...
Class : 6 Accuracy : 32 Offset (log variance) : 65535 Offset from master : 0 (ns) Mean path delay : 0 (ns) Steps removed : 0 Local clock time : Sun Jan 15 20:57:29 2019 #在Device A上显示PTP的简要运行信息。 [DeviceA] display ptp interface brief Name State Delay mechanism Clock...
Clock quality : Class : 248 Accuracy : 254 Offset (log variance) : 65535 Offset from master : 0 (ns) Mean path delay : 0 (ns) Steps removed : 0 Local clock time : Sun Jan 15 20:57:29 2019 #在Device A上显示PTP的简要运行信息。 [DeviceA] display ptp interface brief Name InstID ...