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### Instruction:
STP_IO-4-PROVIDER_BRIDGE_MISMATCH
### Response:
(Severity: 4), (Category: L2), (Description: STP on this router has been configured in provider-bridge mode, but has been connected to a router sending BPDUs in non-provider-bridge mode (or vice versa). This is a misconfiguration and could result in loops in the network.), (Recommended Action: Examine the STP configuration on this router and on the router to which it is connects on this port. Ensure that both routers have the same provider bridge mode configuration.)
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