Lifecycle record

Cisco ISR 4451 (4GE,3NIM,2SM,8G FLASH,4G DRAM) EOL & EOSL Dates

Check Cisco ISR4451-X-K9 lifecycle milestones, source fields, replacement notes.

EOL & EOSL Dates and Details

ISR4451-X-K9 lifecycle data

End-of-Life Announcement (EOL) 2022-11-07
End of Sale (EOS) 2023-11-07
End of Service Life (EOSL) 2028-11-30
Manufacturer Cisco
Category Routers
Product Series Cisco ISR 4400
Part Number ISR4451-X-K9
Model Number ISR4451-X/K9
Release Date -
Replacement Part Number C8300-2N2S-6T
Replacement Product Name Cisco Catalyst C8300-2N2S-6T Router
Lifecycle status
EoS - Sales Ended
View C8300-2N2S-6T Price & datasheet

ISR4451-X-K9 Lifecycle Timeline

Recorded lifecycle milestones in date order.

  • End-of-Life Announcement (EOL)
    2022-11-07


  • End of Sale (EOS)
    2023-11-07


  • Last Ship Date
    2024-02-06


  • End of SW Maintenance
    2025-08-31


  • End of Service Contract Renewal
    2028-02-05


  • Last Date of Support
    2028-11-30


  • End of Service Life (EOSL)
    2028-11-30

Additional Information

Official source fields and support milestones recorded for ISR4451-X-K9.

Last Ship Date: HW,License 02/06/2024
End Of New Service Attachment Date: HW 11/06/2024
End Of SW Maintenance Releases Date: HW 08/31/2025
End Of Routine Failure Analysis Date: HW 11/06/2024
End Of Vulnerability/Security Support: HW 11/30/2028
End Of Service Contract Renewal Date: HW 02/05/2028
Last Date Of Support: HW 11/30/2028
End of-Service-Life (EOSL) 2028-11-30
Official EOL Notice View Official EOL Documentation
Notes The last supported IOS-XE Release trains will be the 17.9.x and 17.12.x for the listed ISR 4000 Platforms. IOS-XE Release trains 17.10.x and 17.11.x will not be supported. For SD-WAN deployments, future vManage Releases 20.12, 20.15 and 20.18 will support IOS-XE Release train 17.12.x. EoVSS standard support for IOS-XE Release train 17.12 is until September 2027, after which necessary ad-hoc EoVSS maintenance releases will be made available for ISR 4K until November 2028.

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