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Cisco Network Convergence System 4000 NCS4K-2X100G-SK EOL Dates

Optical Transmission Network
Part Number: NCS4K-2X100G-SK Model Number: NCS4K-2X100G-SK
In EOSL Phase

EOSL Date: 2024-02-29

NCS4K-2X100G-SK Lifecycle Timeline


  • End-of-Life Announcement (EOL)
    2018-02-26


  • End of Sale (EOS)
    2019-02-26


  • End of Service Life (EOSL)
    2024-02-29

No replacement information has been recorded for this model yet. Please contact your Cisco partner or reseller for a tailored migration plan.

Official Cisco EOL notice

You can view the official Cisco EOL / EOSL bulletin for this product at the link below.

View Official EOL Documentation

NCS4K-2X100G-SK EOL Data – Full Overview

End-of-Life Announcement (EOL)
2018-02-26
End of Sale (EOS)
2019-02-26
End of Service Life (EOSL)
2024-02-29

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Lifecycle summary · Cisco NCS4K-2X100G-SK

Cisco NCS4K-2X100G-SK End-of-Life (EOL) & End-of-Sale (EOS) Overview

This page provides the official End-of-Sale (EOS), End-of-Life (EOL) and End of Service Life (EOSL) milestones for Cisco NCS4K-2X100G-SK. Use these lifecycle dates to plan hardware replacement, upgrade projects, and migration to newer Cisco platforms before the product is fully discontinued.

By understanding the Cisco NCS4K-2X100G-SK EOL / EOSL timeline and support policy, IT managers, resellers and network integrators can renew maintenance contracts on time, reduce unplanned downtime, and choose compatible replacement models that fit their long-term network roadmap.

  • Plan EOS / EOL hardware refresh
  • Align support contracts with EOSL dates
  • Evaluate Cisco replacement & upgrade options