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윈7에 올린 NTP 서버와

스위치간 NTP 동기화 질문입니다

윈7 에서는 서비스 항목에서 window time 을 시작해주었습니다

이제 스위치에서 show ntp status 로 확인해보니

Unsync 로 나오는데 어떻게 동기화 시켜주어야하나요??

별도 무슨설정이 필요한지 궁금합니다

사용하는 스위치는 2960 , 3850 입니다


ASR9K 2016-12
C3560(config)# ntp server 141.223.182.106 prefer  <<À©7 NTP Server IP·Î ¼³Á¤



C3560#show ntp status   
Clock is synchronized, stratum 2, reference is 141.223.182.10    << Clock Sync È®ÀÎ
nominal freq is 119.2092 Hz, actual freq is 119.2092 Hz, precision is 2**17
reference time is DC0C3DD7.79145483 (10:09:43.472 KST Tue Dec 27 2016)
clock offset is 0.7115 msec, root delay is 13.35 msec
root dispersion is 941.31 msec, peer dispersion is 439.37 msec
loopfilter state is 'CTRL' (Normal Controlled Loop), drift is 0.000000002 s/s
system poll interval is 64, last update was 99 sec ago.


C3560 #show ntp associations

  address        ref clock      st  when  poll reach  delay  offset  disp
 ~127.127.1.1    .LOCL.          7      7    16  377  0.000  0.000  0.230
*~141.223.182.106 .GPS.            1    30    64  377 13.356  0.711  4.975      << Main Clock Win7 IP È®ÀÎ
 * sys.peer, # selected, + candidate, - outlyer, x falseticker, ~ configured
     
½º´ÏÄ« 2016-12
prefer ¿É¼ÇÀÌ ¾î¶²°ÇÁö ¾Ë·ÁÁֽǼö ÀÖÀ»±î¿ä??
±×¸®°í À©µµ¿ì¿¡¼­ ¼³Á¤ÇØÁà¾ßÇÒ ntp ¼³Á¤Àº ¼­ºñ½º¸¸ ½ÃÀÛÇØÁÖ¸é µÇ´Â°ÍÀÌ ¸Â´ÂÁö¿ä??
          
ASR9K 2016-12
prefer ¿É¼ÇÀº NTP ¼­¹ö¸¦ µÎ°³ ÀÌ»ó ¹Ù¶óº¼¶§ (Main/Sub) ¼³Á¤½Ã
prefer¸¦ ºÙÀÌ´Â ÂÊÀ¸·Î MainÀ» Àâ°í Main ÀÇ NTP°¡ ¶³¾îÁö¸é Sub¿¡¼­ ClockÀ» ¹Þ½À´Ï´Ù.

Çϳª¸¸ ¼³Á¤½Ã prefer´Â ÇÊ¿ä ¾øÁö¿ä...
¾Æ½±°Ôµµ À©µµ¿ì7 ¿¡¼­ NTP ¼­¹ö ¼³Á¤Àº Çغ»ÀûÀÌ ¾ø³×¿ä..¤¾
               
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