Cisco NCS 4000 E-NCS4K-6526K9= EOL Dates
Cisco E-delivery of XR 6.5.26 for NCS4K; grants RTU license EOL & EOSL Dates
SoftwareCategory: Software
Series: Cisco NCS 4000
EOSL Date: 2029-06-30
E-NCS4K-6526K9= Lifecycle Timeline
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End-of-Life Announcement (EOL)2025-06-13
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End of Sale (EOS)2026-06-13
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End of Service Life (EOSL)2029-06-30
E-NCS4K-6533K9=
NEW
E-NCS4K-6526K9= has reached EOL / EOS. Suggested replacement: E-delivery of XR 6.5.33 for NCS4K; grants RTU license for continued Cisco support.
Official Cisco EOL notice
You can view the official Cisco EOL / EOSL bulletin for this product at the link below.
View Official EOL DocumentationE-NCS4K-6526K9= EOL Data – Full Overview
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End-of-Life Announcement (EOL)
- 2025-06-13
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End of Sale (EOS)
- 2026-06-13
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End of Service Life (EOSL)
- 2029-06-30
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Cisco E-NCS4K-6526K9= 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 E-NCS4K-6526K9=. 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 E-NCS4K-6526K9= 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