S5720-52X-PWR-LI-AC 提示系统同步源丢失

问题描述

S5720 ntp正常工作了半年,突然之间ntp同步就失败了,软件版本是 S5700EI-V200R005C00SPC500.zip

告警信息

Nov 19 2018 11:49:42+08:00 gslz_S_a11 %%01NTP/4/SOURCE_LOST(l)[0]:System synchronization source lost. (SourceAddress=11.82.17.121, Reason=Clock selection failed - No selectable clock)

Server 11.82.17.121 not considered for clock selection. (Reason: Synchronization distance greater than distance threshold. (Current: 10.13702, Allowable: 1.00048)

处理过程

Server 11.82.17.121 not considered for clock selection. (Reason: Synchronization distance greater than distance threshold. (Current: 10.13702, Allowable: 1.00048)

同步距离大于默认阈值1秒,同步距离较大的原因是由于时钟源精度不足

可以在交换机通过以下命令调整同步距离阈值或联系服务器侧工程师调整时钟源精度。