汇聚和核心互联口频繁up/down
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问题描述：
两台汇聚堆叠
上联两台核心堆叠（核心不是我们的）
它们之间的两条互联线突然频繁up/down（做了聚合）
下联全部直接down掉了 排除了环的可能性
光衰查看也正常
汇聚上只有up/down的提示 其他报错都没有
核心上客户不让看 说核心的工程师排查了很久 说可能是我们硬件的问题
汇聚的指示灯也没有异常
换了光模块也不行
down掉其中一根线路也不行
换了端口做聚合也不行
这种有可能是啥问题
- 2025-07-10提问
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上下联都是同一时间down么。日志提示是什么原因down，日志方便贴出来吗
表1-1 display interface命令显示信息描述表
47.8 LINK_UPDOWN
日志内容 | Line protocol state on the interface [STRING] changed to [STRING]. |
参数解释 | $1：接口名称 $2：协议状态，up、down |
日志等级 | 5 |
举例 | IFNET/5/LINK_UPDOWN: Line protocol state on the interface Ethernet0/0 changed to down. |
日志说明 | 接口的链路层协议状态发生变化 |
处理建议 | 链路层状态为down时，请使用display interface命令查看链路层状态，进一步定位链路层状态为down的原因 |
47.10 PHY_UPDOWN
日志内容 | Physical state on the interface [STRING] changed to [STRING]. |
参数解释 | $1：接口名称 $2：链路状态，up、down |
日志等级 | 3 |
举例 | IFNET/3/PHY_UPDOWN: Physical state on the Ethernet0/0 changed to down. |
日志说明 | 接口的链路状态发生变化 |
处理建议 | 物理层状态为down时，请检查是否没有物理连线或者链路故障。. |
- 2025-07-10回答
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%Jan 1 02:00:02:412 2021 16JF-HJ-POE SHELL/4/SHELL_CMD_MATCHFAIL: -User=**-IPAddr=**; Command dis in view shell failed to be matched. %Jan 1 01:59:58:731 2021 16JF-HJ-POE LLDP/6/LLDP_CREATE_NEIGHBOR: Nearest bridge agent neighbor created on port Ten-GigabitEthernet1/0/38 (IfIndex 38), neighbor's chassis ID is 487a-dafb-1400, port ID is Ten-GigabitEthernet1/0/0/9. %Jan 1 01:59:58:681 2021 16JF-HJ-POE LLDP/6/LLDP_CREATE_NEIGHBOR: -Slot=2; Nearest bridge agent neighbor created on port Ten-GigabitEthernet2/0/38 (IfIndex 116), neighbor's chassis ID is 487a-dafb-1400, port ID is Ten-GigabitEthernet2/0/0/9. %Jan 1 01:59:57:776 2021 16JF-HJ-POE IFNET/5/LINK_UPDOWN: Line protocol state on the interface Ten-GigabitEthernet2/0/38 changed to up. %Jan 1 01:59:57:755 2021 16JF-HJ-POE IFNET/5/LINK_UPDOWN: Line protocol state on the interface Bridge-Aggregation38 changed to up. %Jan 1 01:59:57:755 2021 16JF-HJ-POE IFNET/3/PHY_UPDOWN: Physical state on the interface Bridge-Aggregation38 changed to up. %Jan 1 01:59:57:733 2021 16JF-HJ-POE IFNET/5/LINK_UPDOWN: Line protocol state on the interface Vlan-interface3111 changed to up. %Jan 1 01:59:57:732 2021 16JF-HJ-POE IFNET/3/PHY_UPDOWN: Physical state on the interface Vlan-interface3111 changed to up. %Jan 1 01:59:57:732 2021 16JF-HJ-POE IFNET/5/LINK_UPDOWN: Line protocol state on the interface Ten-GigabitEthernet1/0/38 changed to up. %Jan 1 01:59:57:723 2021 16JF-HJ-POE LAGG/6/LAGG_ACTIVE: Member port XGE2/0/38 of aggregation group BAGG38 changed to the active state. %Jan 1 01:59:57:709 2021 16JF-HJ-POE IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet2/0/38 changed to up. %Jan 1 01:59:57:687 2021 16JF-HJ-POE LAGG/6/LAGG_ACTIVE: Member port XGE1/0/38 of aggregation group BAGG38 changed to the active state. %Jan 1 01:59:57:681 2021 16JF-HJ-POE IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet1/0/38 changed to up. %Jan 1 01:59:27:087 2021 16JF-HJ-POE LPDT/5/LPDT_RECOVERED: All loops were removed on Bridge-Aggrega
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%Jan 1 02:00:02:412 2021 16JF-HJ-POE SHELL/4/SHELL_CMD_MATCHFAIL: -User=**-IPAddr=**; Command dis in view shell failed to be matched. %Jan 1 01:59:58:731 2021 16JF-HJ-POE LLDP/6/LLDP_CREATE_NEIGHBOR: Nearest bridge agent neighbor created on port Ten-GigabitEthernet1/0/38 (IfIndex 38), neighbor's chassis ID is 487a-dafb-1400, port ID is Ten-GigabitEthernet1/0/0/9. %Jan 1 01:59:58:681 2021 16JF-HJ-POE LLDP/6/LLDP_CREATE_NEIGHBOR: -Slot=2; Nearest bridge agent neighbor created on port Ten-GigabitEthernet2/0/38 (IfIndex 116), neighbor's chassis ID is 487a-dafb-1400, port ID is Ten-GigabitEthernet2/0/0/9. %Jan 1 01:59:57:776 2021 16JF-HJ-POE IFNET/5/LINK_UPDOWN: Line protocol state on the interface Ten-GigabitEthernet2/0/38 changed to up. %Jan 1 01:59:57:755 2021 16JF-HJ-POE IFNET/5/LINK_UPDOWN: Line protocol state on the interface Bridge-Aggregation38 changed to up. %Jan 1 01:59:57:755 2021 16JF-HJ-POE IFNET/3/PHY_UPDOWN: Physical state on the interface Bridge-Aggregation38 changed to up. %Jan 1 01:59:57:733 2021 16JF-HJ-POE IFNET/5/LINK_UPDOWN: Line protocol state on the interface Vlan-interface3111 changed to up. %Jan 1 01:59:57:732 2021 16JF-HJ-POE IFNET/3/PHY_UPDOWN: Physical state on the interface Vlan-interface3111 changed to up. %Jan 1 01:59:57:732 2021 16JF-HJ-POE IFNET/5/LINK_UPDOWN: Line protocol state on the interface Ten-GigabitEthernet1/0/38 changed to up. %Jan 1 01:59:57:723 2021 16JF-HJ-POE LAGG/6/LAGG_ACTIVE: Member port XGE2/0/38 of aggregation group BAGG38 changed to the active state. %Jan 1 01:59:57:709 2021 16JF-HJ-POE IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet2/0/38 changed to up. %Jan 1 01:59:57:687 2021 16JF-HJ-POE LAGG/6/LAGG_ACTIVE: Member port XGE1/0/38 of aggregation group BAGG38 changed to the active state. %Jan 1 01:59:57:681 2021 16JF-HJ-POE IFNET/3/PHY_UPDOWN: Physical state on the interface Ten-GigabitEthernet1/0/38 changed to up. %Jan 1 01:59:27:087 2021 16JF-HJ-POE LPDT/5/LPDT_RECOVERED: All loops were removed on Bridge-Aggrega