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### Instruction:
ISIS-3-ERR_PAK_CLIENT_CONN
### Response:
(Severity: 3), (Category: ROUTING), (Description: IS-IS encountered an error while trying to set up a managed connection to the Packet Server. This is a serious error as IS-IS requires Packet I/O services to be able to form adjacencies, and the IS-IS process will shut itself down in response. This may be due to a low memory condition but is more likely to be a software programming error. The error string and error code provide more information about the cause.), (Recommended Action: Reduce other system activity to ease memory demands. If conditions warrant, upgrade to a larger memory configuration.. *RECUR*.)
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