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Lifecycle record

IOS-15-6-2-S EOL & EOSL Dates

Cisco Software Release IOS 15.6(2)S for the Cisco ASR 901 Series Aggregation Services Routers

Lifecycle status

In EOSL Phase

IOS-15-6-2-S reached its last date of support on 2023-01-31. Cisco support services are no longer available for this model. Recommended replacement: IOS-15-6-2-SP.

Last checked: 2026-06-16

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EOL & EOSL Dates and Details

End-of-Life Announcement (EOL) 2017-07-21
End of Sale (EOS) 2018-01-19
End of Service Life (EOSL) 2023-01-31
Manufacturer Cisco
Category Routers
Product Series Cisco ASR 901
Part Number IOS-15-6-2-S
Model Number IOS 15.6(2)S
Release Date -
Replacement Part Number IOS-15-6-2-SP
Replacement Product Name Cisco IOS 15.6(2)SP release

Lifecycle Timeline

Recorded lifecycle milestones in date order.

  • End-of-Life Announcement (EOL)
    2017-07-21
  • End of Sale (EOS)
    2018-01-19
  • Last Ship Date
    2018-01-19
  • End of SW Maintenance
    2018-07-21
  • End of Service Life (EOSL)
    2023-01-31

Additional Information

Support milestones and the official source recorded for this model.

Last Ship Date: HW, License 2018-01-19
End Of SW Maintenance Releases Date: HW 2018-07-21
End Of Vulnerability/Security Support: HW 2019-01-19
Official EOL Notice View Official EOL Documentation

More Cisco ASR 901 EOL Dates

Part Number Product Name EOL Announcement End of Sale
CISCO-IOS-15-5-1-S-FOR-ASR-901-SERIES Cisco ASR 901 Series Aggregation Services Routers - Cisco IOS 15.5(1)S 2015-02-16 2015-08-17
FLS-A901-2Z Cisco ASR 901 10G Router - 2x10GE Port Upgrade - Physical 2017-06-16 2017-09-15
FLS-A901-4 Cisco ASR 901 10G Router - 4 Flex Port GE Upgrade - Physical 2017-06-16 2017-09-15
IOS-15-3-2-FOR-ASR-901 Cisco IOS Release 15.3(2) for ASR 901 Series Aggregation Services Routers 2018-12-17 2019-06-17
IOS-15-4-1-FOR-ASR-901 Cisco IOS Release 15.4(1) for ASR 901 Series Aggregation Services Routers 2018-12-17 2019-06-17
IOS-15-4-2-FOR-ASR-901 Cisco IOS Release 15.4(2) for ASR 901 Series Aggregation Services Routers 2018-12-17 2019-06-17
IOS-15-4-3-S-FOR-ASR-901-SERIES Cisco ASR 901 Series Aggregation Services Routers - Cisco Software Release IOS 15.4(3)S 2016-11-04 2017-05-05
IOS-15-5-3-FOR-ASR-901 Cisco IOS Release 15.5(3) for ASR 901 Series Aggregation Services Routers 2018-12-17 2019-06-17
All Cisco ASR 901 lifecycle dates