Cisco Catalyst 4900 S49IPBU-12253SG EOL Dates
Cisco CAT4900 IOS IP BASE UPGRADE W/O CRYPTO EOL & EOSL Dates
SoftwareCategory: Software
Series: Cisco Catalyst 4900
EOSL Date: 2028-09-30
S49IPBU-12253SG Lifecycle Timeline
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End-of-Life Announcement (EOL)2023-03-07
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End of Sale (EOS)2023-09-05
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End of Service Life (EOSL)2028-09-30
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 DocumentationS49IPBU-12253SG EOL Data – Full Overview
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End-of-Life Announcement (EOL)
- 2023-03-07
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End of Sale (EOS)
- 2023-09-05
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End of Service Life (EOSL)
- 2028-09-30
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Application SW – End of Service Contract Renewal
- 2025-09-04
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Application SW – Last Date Of Support
- 2025-09-30
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Cisco S49IPBU-12253SG 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 S49IPBU-12253SG. 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 S49IPBU-12253SG 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