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Cisco End-of-Life & End-of-Service Lookup & Planning

Browse all Cisco hardware families – routers, switches, wireless, security and more – with official End-of-Life (EOL), End-of-Sale (EOS) and End-of-Service-Life (EOSL) dates. Use this Cisco EOL database to plan refresh projects, avoid unsupported devices, and keep your network secure and compliant.

Tip: try isr4331 or a series such as ISR 4000.

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Cisco EOL / EOSL Database – Full List of End-of-Life Products

Search, browse, and plan lifecycle transitions across all Cisco product families.

Showing 9556–9570 of 32149 results
# Category Series Part Number Product Name EOL / EOS / EOSL
9556 Optical Transmission Network Cisco Prisma DWDM Passives 4039238 Cisco Prisma DWDM Passives 4039238 EOSL: 2020-01-31
9557 Optical Transmission Network Cisco Prisma DWDM Passives 4039239 Cisco Prisma DWDM Passives 4039239 EOSL: 2020-01-31
9558 Optical Transmission Network Cisco Prisma DWDM Passives 4039240 Cisco Prisma DWDM Passives 4039240 EOSL: 2020-01-31
9559 Optical Transmission Network Cisco Prisma DWDM Passives 4039241 Cisco Prisma DWDM Passives 4039241 EOSL: 2020-01-31
9560 Optical Transmission Network Cisco Prisma DWDM Passives 4039398 Cisco Prisma DWDM Passives 4039398 EOSL: 2020-01-31
9561 Optical Transmission Network Cisco Prisma DWDM Passives 4039399 Cisco Prisma DWDM Passives 4039399 EOSL: 2020-01-31
9562 Optical Transmission Network Cisco Prisma DWDM Passives 4039400 Cisco Prisma DWDM Passives 4039400 EOSL: 2020-01-31
9563 Optical Transmission Network Cisco Prisma DWDM Passives 4039401 Cisco Prisma DWDM Passives 4039401 EOSL: 2020-01-31
9564 Optical Transmission Network Cisco Prisma DWDM Passives 4039402 Cisco Prisma DWDM Passives 4039402 EOSL: 2020-01-31
9565 Optical Transmission Network Cisco Prisma DWDM Passives 4041315 Cisco Prisma DWDM Passives 4041315 EOSL: 2020-01-31
9566 Optical Transmission Network Cisco Prisma DWDM Passives 4041316 Cisco Prisma DWDM Passives 4041316 EOSL: 2020-01-31
9567 Optical Transmission Network Cisco Prisma DWDM Passives 4041319 Cisco Prisma DWDM Passives 4041319 EOSL: 2020-01-31
9568 Optical Transmission Network Cisco Prisma DWDM Passives 4041320 Cisco Prisma DWDM Passives 4041320 EOSL: 2020-01-31
9569 Optical Transmission Network Cisco Prisma DWDM Passives 4041548 Cisco Prisma DWDM Passives 4041548 EOSL: 2020-01-31
9570 Optical Transmission Network Cisco Prisma DWDM Passives 4041549 Cisco Prisma DWDM Passives 4041549 EOSL: 2020-01-31

Why Check Cisco EOL and EOSL Dates Regularly?

Tracking lifecycle milestones helps you maintain security, continuity, and predictable budgets across your Cisco infrastructure.

01

Security risks & patch coverage

Unsupported devices stop receiving firmware, bug fixes, and security updates. Regularly reviewing EOL/EOSL dates helps you retire or replace high-risk hardware before it becomes a security gap.

02

Maintenance & replacement planning

Knowing lifecycle milestones in advance lets you schedule hardware refresh without downtime, evaluate successor models, and coordinate maintenance windows with your operations team.

03

Budget & upgrade strategy

Align refresh cycles with finance plans instead of reacting to sudden failures. A clear EOL/EOSL roadmap helps you spread investments over time and avoid last-minute, unplanned replacement costs.

Cisco End-of-Life (EOL) & End-of-Service (EOS) Policy Overview

Layer23-Switch.com provides this summary based on the official End of Life (EOL) policy published by Cisco . The goal is to help users clearly understand lifecycle milestones, support timelines, and the transition process as products move toward EOL and End of Service Life (EOSL).

Milestone Description Typical Duration
End-of-Life (EOL) Announcement Cisco officially announces the product’s end-of-sale and end-of-support schedule. Replacement recommendations are often included in the notice. 0 Months (Announcement Date)
End-of-Sale (EOS) The last date to order the product from Cisco through authorized partners. After this date, it is no longer sold. ~6 Months after EOL Announcement
Last Ship Date The final date that Cisco ships the product to customers. Any pending orders must be fulfilled by this date. ~12 Months after EOL Announcement
End of SW Maintenance The last date Cisco releases software maintenance updates or patches (excluding critical security fixes). ~24 Months after EOL Announcement
End of Service Contract Renewal The final date customers can renew support or service contracts for the product. ~36 Months after EOL Announcement
Last Date of Support / EOSL Technical support and hardware repair services end. Cisco no longer provides software updates or TAC assistance. ~60 Months after EOL Announcement

Why Cisco EOL Policy Matters

Cisco ’s structured EOL process ensures long-term product stability and predictable lifecycle transitions. Customers can continue to receive support and software updates for years after the product’s end-of-sale date.

Planning for Replacement

To avoid service interruptions, review official EOL bulletins and migrate to newer models well before the EOSL date.