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What is 'err-disabled' error. it is frequently blocking the port of your cisco switch?
Wiki User
∙ 14y ago
This is caused by port security being enabled and having the violation setting set to shutdown. This is triggered when you have two many MAC addresses listed for the port of if a BPDU is sent to that port, depending on how port security is configured.
Wiki User
∙ 14y ago
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