Cisco 1900 Integrated Services Routers CISCO1921-T1SEC/K9 EOL Dates
CISCO1921-T1SEC/K9 Lifecycle Timeline
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Release Date2009-10-27
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End-of-Life Announcement (EOL)2018-03-31
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End of Sale (EOS)2018-09-29
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End of Service Life (EOSL)2023-09-30
ISR4221/K9
NEW
CISCO1921-T1SEC/K9 has reached EOL / EOS. Suggested replacement: Cisco ISR 4221 (2GE,2NIM,8G FLASH,4G DRAM,IPB) 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 DocumentationCISCO1921-T1SEC/K9 EOL Data – Full Overview
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Release Date
- 2009-10-27
-
End-of-Life Announcement (EOL)
- 2018-03-31
-
End of Sale (EOS)
- 2018-09-29
-
End of Service Life (EOSL)
- 2023-09-30
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Cisco CISCO1921-T1SEC/K9 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 CISCO1921-T1SEC/K9. 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 CISCO1921-T1SEC/K9 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