Topic: Planned PDA Arista Network Line Card replacement at the CBU Backup site.

Date/Time Issued: October 1st, 2025 1754Z

Product(s) or Data Impacted: Products ingested and disseminated to/from the CBU Backup site.

Date/Time of Initial Impact: October 2nd, 2025 1200Z

Date/Time of Expected End: October 2nd, 2025 1400Z

Length of Event: 2 hours

Details/Specifics of Change: The ESPC PDA Support team will perform a Arista Line Card replacement at the CBU Backup site during the impact times above. Interruptions to service are not expected but may occur during the Line Card replacement maintenance window above. The PDA Support team will be monitoring the environment to quickly address and remediate any issues.

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