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### Instruction:
STP_IO-4-UNEXPECTED_BPDU_RECEIVED
### Response:
(Severity: 4), (Category: L2), (Description: A BPDU was received on a port that was configured for Portfast. This port will now revert to a 'non-edge' port.), (Recommended Action: Check network configuration. Should this port really be configured for portfast? Has a new network device been added to the network?)
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