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Cisco Bug: CSCuo29389 - NTP clients of 3900 loses sync sporadically,due to high offsetvariations

Last Modified

Oct 14, 2019

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

When 3900 routers getting time from GPS based stratum 1 server, and acting as ntp servers for other clients, the 3900 client loses sync with 3900 server 's sporadically, because of  high offset variation with GPS based stratum 1 servers

GPS based stratum 1 server --> 3900 (2) -------> XR NTP(CRS), ASR9k, Alcatel box, 6500 IOS Client
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