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Cisco ISR3900 C1F1UISR3900SK9 EOL & EOSL Dates

Lifecycle record

C1F1UISR3900SK9 status overview

Cisco C1F1UISR3900SK9 is currently marked as In EOSL Phase in the lifecycle database. Recorded milestones: EOL 2018-03-30, EOS 2018-06-30, EOSL 2021-06-30. The source URL is listed on this page. Check availability and replacement options separately before procurement.

In EOSL Phase
EOL announcement
2018-03-30
End of sale
2018-06-30
EOSL
2021-06-30
Product path
Software Cisco ISR3900 Model C1F1UISR3900SK9
Source
Official Cisco bulletin

Lifecycle planning

Review the official timeline first, then check replacement fit and current sourcing options.

C1F1UISR3900SK9 Lifecycle Timeline

  • End-of-Life Announcement (EOL)
    2018-03-30
  • End of Sale (EOS)
    2018-06-30
  • End of Service Life (EOSL)
    2021-06-30

Replacement path

C1F2UISR4431SK9

Cisco ONE Upg-to Foundation Perpetual ISR4431

Use the replacement reference as a starting point, then confirm fit, lead time, and support coverage.

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 quote

All lifecycle dates

Complete recorded fields for C1F1UISR3900SK9.

End-of-Life Announcement (EOL)
2018-03-30
End of Sale (EOS)
2018-06-30
End of Service Life (EOSL)
2021-06-30
Application SW – End of Service Contract Renewal
2020-09-30
Application SW – End of SW Maintenance
2019-06-30
Application SW – Last Ship
2018-09-30

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