4个接口在14:31:21同时down,在14:36几乎同时up
1. 该弱电间同机柜还有其它交换机,无异常。
2. 2台离线的S5560X的logbuffer里也无异常,如下
【交换机A】
%Jan 1 08:03:58:896 2021 XY-101FD10-YQGL-JR-S5560X-4 LLDP/6/LLDP_CREATE_NEIGHBOR: Nearest bridge agent neighbor created on port GigabitEthernet1/0/7 (IfIndex 7), neighbor's chassis ID is 3c6a-483e-bd69, port ID is 5.
%Jul 20 14:37:17:337 2025 XY-101FD10-YQGL-JR-S5560X-4 NTP/5/NTP_CLOCK_CHANGE: System clock changed from 08:04:38:736 01/01/2021 to 14:37:17:327 07/20/2025, the NTP server's IP address is 10.156.196.106.
%Jul 20 14:37:17:338 2025 XY-101FD10-YQGL-JR-S5560X-4 NTP/5/NTP_LEAP_CHANGE: System Leap Indicator changed from 3 to 0 after clock update.
%Jul 20 14:37:17:338 2025 XY-101FD10-YQGL-JR-S5560X-4 NTP/5/NTP_STRATUM_CHANGE: System stratum changed from 16 to 11 after clock update.
%Jul 20 14:45:36:838 2025 XY-101FD10-YQGL-JR-S5560X-4 CFGMAN/5/CFGMAN_CFGCHANGED: -EventIndex=1-CommandSource=snmp-COnfigSource=startup-COnfigDestination=running; Configuration changed.
【交换机B】
%Jan 1 08:04:44:555 2021 XY-101FD10-YQGL-JR-S5560X-1 SHELL/5/SHELL_LOGOUT: campus logged out from 10.156.199.26.
%Jan 1 08:04:44:624 2021 XY-101FD10-YQGL-JR-S5560X-1 SSHS/6/SSHS_DISCONNECT: SSH user campus (IP: 10.156.199.26) disconnected from the server.
%Jul 20 14:37:33:065 2025 XY-101FD10-YQGL-JR-S5560X-1 NTP/5/NTP_CLOCK_CHANGE: System clock changed from 08:04:54:045 01/01/2021 to 14:37:33:044 07/20/2025, the NTP server's IP address is 10.156.196.107.
%Jul 20 14:37:33:072 2025 XY-101FD10-YQGL-JR-S5560X-1 NTP/5/NTP_LEAP_CHANGE: System Leap Indicator changed from 3 to 0 after clock update.
%Jul 20 14:37:33:076 2025 XY-101FD10-YQGL-JR-S5560X-1 NTP/5/NTP_STRATUM_CHANGE: System stratum changed from 16 to 13 after clock update.
%Jul 20 14:37:37:137 2025 XY-101FD10-YQGL-JR-S5560X-1 NETCONF/6/SOAP_XML_LOGIN: campus logged in from 10.156.199.26, session id 1.
%Jul 20 14:37:38:080 2025 XY-101FD10-YQGL-JR-S5560X-1 NTP/5/NTP_SOURCE_CHANGE: NTP server's IP address changed from 10.156.196.107 to 10.156.196.106.
3. 级联口的配置也很简单,链路聚合、trunk、放通所有vlan
造成这情况可能的原因有哪些,这是2台交换机都重启过了吗
(0)
最佳答案
日志里没什么有用的内容,可以关注下面的这个日志,是不是有人修改配置了?
%Jul 20 14:45:36:838 2025 XY-101FD10-YQGL-JR-S5560X-4 CFGMAN/5/CFGMAN_CFGCHANGED: -EventIndex=1-CommandSource=snmp-COnfigSource=startup-COnfigDestination=running; Configuration changed
其他的都是NTP同步之类的,应该是网络通了以后和服务器自动同步时间的。
display version 可以看下面的设备运行时间,以此判断是否是重启
(0)
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时间对的上那就是重启导致的,冷重启一般是有人不小心碰电源线了?