Error Message PLATFORM_STACKPOWER-4-CABLE_B_CURRENT_IN: Switch [dec] stack power cable 2 inward current is over the limitExplanation Power cable 2 of the switch stack has an inward current that is over 40 A. Add another power supply to the switch stack. [dec] is the stack member number.
Recommended Action Copy the message exactly as it appears on the console or in the system log. Research and attempt to resolve the error by using the Output Interpreter. Use the Bug Toolkit to look for similar reported problems. If you still require assistance, open a case with the TAC, or contact your Cisco technical support representative, and provide the representative with the gathered information. For more information about these online tools and about contacting Cisco, see the "Error Message Traceback Reports" section on page 1-7. 上述信息来自于:
Catalyst 3750-X, 3750-E, 3560-X, and 3560-E Switch System Message Guide, 12.2(55)SE
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750x_3560x/software/release/12-2_55_se/system/message/smg3750x/msg_desc.html
从上面的描述应该确实是电源有问题。
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Rockyw | If it solves your problem, please mark as answer. Thanks !