Cisco ISR 4300 ISR4331BR/K9 EOL Dates
Cisco ISR 4331 (3GE,2NIM,1SM,4G FLASH,4G DRAM,IPB) EOL & EOSL Dates
Networking AccessoriesCategory: Networking Accessories
Series: Cisco ISR 4300
EOSL Date: 2029-01-31
ISR4331BR/K9 Lifecycle Timeline
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Release Date2014-09-30
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End-of-Life Announcement (EOL)2023-10-26
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End of Sale (EOS)2024-01-26
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End of Service Life (EOSL)2029-01-31
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 DocumentationISR4331BR/K9 EOL Data – Full Overview
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Release Date
- 2014-09-30
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End-of-Life Announcement (EOL)
- 2023-10-26
-
End of Sale (EOS)
- 2024-01-26
-
End of Service Life (EOSL)
- 2029-01-31
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Cisco ISR4331BR/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 ISR4331BR/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 ISR4331BR/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