EMC存储设备用光纤连接在H3C 75交换机上的光线模块，端口不亮。两端都有光，端口已经full dux和1000M

首先EMC的存储阵列是否是FC存储，如果是FC存储则所采取的协议时Fibre Channel协议，不是以太网协议，所以用以太网协议的普通交换机是不行的，H3C的交换机都是以太网交换机，所以不支持该协议。

解决办法：

1、更换Fc交换机，常见品牌是Cisco、Brocade

2、看存储是否支持IP SAN协议，如果支持，可以走普通的以太网交换机；

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