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Lifecycle record

15-8-3-M EOL & EOSL Dates

Cisco 15.8(3)M Software Release

Lifecycle status

EoS - Sales Ended

15-8-3-M is no longer sold by Cisco; end of sale was 2022-06-15. Support continues until 2027-06-30.

Last checked: 2026-06-16

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EOL & EOSL Dates and Details

End-of-Life Announcement (EOL) 2022-03-16
End of Sale (EOS) 2022-06-15
End of Service Life (EOSL) 2027-06-30
Manufacturer Cisco
Category Software
Product Series Cisco IOS 15.8M&T
Part Number 15-8-3-M
Model Number 15.8(3)M
Release Date -
Replacement Part Number N/A

Lifecycle Timeline

Recorded lifecycle milestones in date order.

  • End-of-Life Announcement (EOL)
    2022-03-16
  • End of Sale (EOS)
    2022-06-15
  • Last Ship Date
    2022-06-15
  • End of SW Maintenance
    2022-12-14
  • End of Service Life (EOSL)
    2027-06-30

Additional Information

Support milestones and the official source recorded for this model.

Last Ship Date: HW, License 2022-06-15
End Of SW Maintenance Releases Date: HW 2022-12-14
End Of Vulnerability/Security Support: HW 2022-12-14
Official EOL Notice View Official EOL Documentation