Cisco Nexus 1100 N1K-4.2.1.SP1.5.1A EOL Dates

Cisco Nexus 1010/1110 NX-OS Software Release 4.2(1)SP1(5.1a) EOL & EOSL Dates

Switches

Category: Switches

Series: Cisco Nexus 1100

Part Number: N1K-4.2.1.SP1.5.1A Model Number: N1K-4.2.1.SP1.5.1A

In EOSL Phase

EOSL Date: 2021-11-30

N1K-4.2.1.SP1.5.1A Lifecycle Timeline

End-of-Life Announcement (EOL)

2016-08-05
End of Sale (EOS)

2016-11-04
End of Service Life (EOSL)

2021-11-30

CSP-SW
NEW

N1K-4.2.1.SP1.5.1A has reached EOL / EOS. Suggested replacement: Cloud Services Platform Software 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 Documentation

N1K-4.2.1.SP1.5.1A EOL Data – Full Overview

End-of-Life Announcement (EOL): 2016-08-05
End of Sale (EOS): 2016-11-04
End of Service Life (EOSL): 2021-11-30

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Lifecycle summary · Cisco N1K-4.2.1.SP1.5.1A

Cisco N1K-4.2.1.SP1.5.1A 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 N1K-4.2.1.SP1.5.1A. 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 N1K-4.2.1.SP1.5.1A 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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