Cisco 4000 ISR4321-EN-3Y-50M EOL Dates
Cisco VIPTELA-ISR4321 3Year 50Mbps Enterprise Bundle EOL & EOSL Dates
Networking AccessoriesCategory: Networking Accessories
Series: Cisco 4000
EOSL Date: 2026-05-31
ISR4321-EN-3Y-50M Lifecycle Timeline
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End-of-Life Announcement (EOL)2020-11-09
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End of Sale (EOS)2021-05-10
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End of Service Life (EOSL)2026-05-31
ISR4321-DNA
NEW
ISR4321-EN-3Y-50M has reached EOL / EOS. Suggested replacement: Cisco ISR 4321 (2GE,2NIM,4G FLASH,4G DRAM,IPB) with DNA sub 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 DocumentationISR4321-EN-3Y-50M EOL Data – Full Overview
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End-of-Life Announcement (EOL)
- 2020-11-09
-
End of Sale (EOS)
- 2021-05-10
-
End of Service Life (EOSL)
- 2026-05-31
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Cisco ISR4321-EN-3Y-50M 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 ISR4321-EN-3Y-50M. 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 ISR4321-EN-3Y-50M 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