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背景:
最近有许多小伙伴在首次安装C9800有发现C9800的ALM LED常亮红色,担心设备存在硬件问题。本次分享以C9800-L为例,ALM LED为图内序号15。
分析及恢复:
1、参考硬件安装指南。可以看到ALM呈红色,确实极有可能是设备故障所产生,但同时关注两条关于物理端口的注意事项。
Note: When only one TenGig port is connected an alarm is triggered and the ALARM LED is always on a...