S6850-56HF-G 与服务器相连聚合口一个频繁UP/down

设备一直报此类告警，接口尝试过shutdown/up，但开启后依旧如此。这个接口周围例如2/0/23.2/0/21都可正常使用，不像是端口组芯片故障。观察过开启时光模块收发光功率在正常范围内。这类故障会是但端口硬件故障吗？

%Oct 10 14:16:24:095 2025 IDC01-SERVER-SW-S6850-01&02 DEV/2/INTERNALLINK_ALARM_OCCUR: -Slot=2; Internal link alarm occurred. (PhysicalIndex=721, PhysicalName=Twenty-FiveGigE2/0/21, RelativeResource=(bustype:mac link,sourceport:(chiptype:5,slot:2,chipid:0,portid:21)), ErrorCode=427001, Reason=MAC chip link failure.)

%Oct 10 14:16:24:096 2025 IDC01-SERVER-SW-S6850-01&02 DEV/2/INTERNALLINK_ALARM_OCCUR: -Slot=2; Internal link alarm occurred. (PhysicalIndex=721, PhysicalName=Twenty-FiveGigE2/0/21, RelativeResource=(interface:port down), ErrorCode=482002, Reason=The interface Physical state changed to down.)

%Oct 10 14:16:24:402 2025 IDC01-SERVER-SW-S6850-01&02 DEV/2/INTERNALLINK_ALARM_CLEAR: -Slot=2; Internal link alarm cleared. (PhysicalIndex=721, PhysicalName=Twenty-FiveGigE2/0/21, RelativeResource=(bustype:mac link,sourceport:(chiptype:5,slot:2,chipid:0,portid:21)), ErrorCode=427001, Reason=MAC chip link recovered.)

%Oct 10 14:16:24:403 2025 IDC01-SERVER-SW-S6850-01&02 DEV/2/INTERNALLINK_ALARM_CLEAR: -Slot=2; Internal link alarm cleared. (PhysicalIndex=721, PhysicalName=Twenty-FiveGigE2/0/21, RelativeResource=(interface:port down), ErrorCode=482002, Reason=The interface Physical state changed to up.)

%Oct 10 14:16:24:405 2025 IDC01-SERVER-SW-S6850-01&02 DEV/2/INTERNALLINK_ALARM_OCCUR: -Slot=2; Internal link alarm occurred. (PhysicalIndex=721, PhysicalName=Twenty-FiveGigE2/0/21, RelativeResource=(bustype:mac link,sourceport:(chiptype:5,slot:2,chipid:0,portid:21)), ErrorCode=427001, Reason=MAC chip link failure.)

%Oct 10 14:16:24:406 2025 IDC01-SERVER-SW-S6850-01&02 DEV/2/INTERNALLINK_ALARM_OCCUR: -Slot=2; Internal link alarm occurred. (PhysicalIndex=721, PhysicalName=Twenty-FiveGigE2/0/21, RelativeResource=(interface:port down), ErrorCode=482002, Reason=The interface Physical state changed to down.)