Cisco ISR 4000 ISR4451-UCSE-S/K9 EOL & EOSL Dates
ISR4451-UCSE-S-K9 status overview
Cisco ISR4451-UCSE-S-K9 is currently marked as In EOSL Phase in the lifecycle database. Recorded milestones: EOL 2018-11-08, EOS 2019-02-08, EOSL 2024-02-29. The source URL is listed on this page. Check availability and replacement options separately before procurement.
- Product path
- Networking Accessories Cisco ISR 4000 Model ISR4451-UCSE-S/K9
- Source
- Official Cisco bulletin
Lifecycle planning
Review the official timeline first, then check replacement fit and current sourcing options.
ISR4451-UCSE-S-K9 Lifecycle Timeline
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End-of-Life Announcement (EOL)2018-11-08
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End of Sale (EOS)2019-02-08
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End of Service Life (EOSL)2024-02-29
Replacement path
No replacement part is recorded for this model. Ask for a compatibility check before ordering.
Availability check
EOL, EOS, and EOSL dates do not confirm whether stock is available. Use the quote form for current sourcing, alternatives, and delivery options.
Request a quoteAll lifecycle dates
Complete recorded fields for ISR4451-UCSE-S-K9.
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End-of-Life Announcement (EOL)
- 2018-11-08
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End of Sale (EOS)
- 2019-02-08
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End of Service Life (EOSL)
- 2024-02-29
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