Topic: Planned NWave Maintenance (Task 2 of 2) at NSOF OPS site may affect externals connectivity to PDA.

Date/Time Issued:June 13, 2019 1212Z

Product(s) or Data Impacted:External connections to PDA at NSOF OPS site that traverse the NWave network.

Date/Time of Initial Impact: June 13, 2019 2300Z

Date/Time of Expected End:June 14, 2019 0100Z

Length of Event:2 hours

Details/Specifics of Change: N-Wave engineers will be performing part 2 of a 2 part maintenance to upgrade the control boards on aggregation node SUIT. PDA has redundant connections to the partner router SUIT2 and should only experience a brief interruption of 2 to 3 seconds during the failover to SUIT2. If the failover to SUIT2 experiences a problem, the interruption to PDA will be longer. External customers should check for interrupted or hung connections that may need to be reset.

Contact Information for Further Information:ESPC Operations atESPCOperations@noaa.govand 301-817-3880.

Web Site(s) for applicable information:N/A

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