Cisco ISR4000 ISR4321-B/K9 EOL Dates

Cisco ISR 4321 (2GE, 2NIM, 4G FLASH, 4G DRAM, IPB) EOL & EOSL Dates

Software

Category: Software

Series: Cisco ISR4000

Part Number: ISR4321-B/K9 Model Number: ISR4321-B/K9 Release: 2014-09-29

In EOSL Phase

EOSL Date: 2024-10-31

ISR4321-B/K9 Lifecycle Timeline

Release Date

2014-09-29
End-of-Life Announcement (EOL)

2019-04-30
End of Sale (EOS)

2019-10-29
End of Service Life (EOSL)

2024-10-31

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 Documentation

ISR4321-B/K9 EOL Data – Full Overview

Release Date: 2014-09-29
End-of-Life Announcement (EOL): 2019-04-30
End of Sale (EOS): 2019-10-29
End of Service Life (EOSL): 2024-10-31

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Lifecycle summary · Cisco ISR4321-B/K9

Cisco ISR4321-B/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 ISR4321-B/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 ISR4321-B/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

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