Topic: Per JPSS CGS OPS ECR OPS 0909/WR163129, the JPSS CGS Network Team will be upgrading the OS on the MDMZ domain , Cisco Nexus( model -N9K93180), network switches during a multi-mission back orbit;

Date/Time Issued: June 06, 2022 1442z

Product or Data Impacted: Per JPSS CGS OPS ECR OPS 0909/WR163129, the JPSS CGS Network Team will be upgrading the OS on the MDMZ external, Cisco Nexus(N9K93180), network switches during a multi-mission back orbit. The MDMZ external network switches provide JSH flows to IDPS/FNMOC/SDS, and IDPS back to On Premise/NCCF, as well as providing ERAV connectivity. All work will be performed within NPP,N20 & GCOM back-orbit windows. Expected downtime is approximately 20-30 minutes.

Date/Time of Initial Impact: June 06, 2022 1607z

Date/Time of Expected End: June 06, 2022 1640z

Length of the Outage/Event: 33 Mins

Details/Specifics of Change: Per JPSS CGS OPS ECR OPS 0909/WR163129, the JPSS CGS Network Team will be upgrading the OS on the MDMZ external, Cisco Nexus(N9K93180), network switches during a multi-mission back orbit. The MDMZ external network switches provide JSH flows to IDPS/FNMOC/SDS, and IDPS back to On Premise/NCCF, as well as providing ERAV connectivity. All work will be performed within NPP,N20 & GCOM back-orbit windows. Expected downtime is approximately 20-30 minutes. Primary Window:

1607z to 1640z - 33 min, Back-up Window, 1750z to 1823z - 33 min .

Contact information for further information: ESPC Operations at ESPCOperations@noaa.gov or 301-817-3880 24x7 or ross.cox@noaa.gov during normal business hours

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

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