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### Instruction:
ISIS-4-INTF_CLNS_MAC_ADDR_NOTIFY
### Response:
(Severity: 4), (Category: ROUTING), (Description: IS-IS failed to notify the CLNS protocol stack of MAC address changes to the specified interface. It requires a restart of process for recovery.), (Recommended Action: 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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