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### Instruction:
ISIS-4-INTF_UNKNOWN_MEDIA
### Response:
(Severity: 4), (Category: ROUTING), (Description: This interface media is not supported by IS-IS. An IS-IS process restart is required for recovery.), (Recommended Action: Check the interface media name in the configuration and restart the IS-IS process. Copy the error message exactly as it appears on the console or in the system log, call your Cisco technical support representative and provide the representative with the gathered information.)
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