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EOL & EOSL Dates and Details

E-NCS4K-652K9= EOL Data

End of-Life Announcement (EOL) 06/13/2025
End of Sale (EOS) 06/13/2026
End of Service Life (EOSL) 06/30/2029
Manufacturer Cisco
Category Software
Product Series Cisco NCS 4000
Part Number E-NCS4K-652K9=
Model Number E-NCS4K-652K9=
Release Date
Replacement Part Number E-NCS4K-6533K9=
Replacement Product Name E-delivery of XR 6.5.33 for NCS4K; grants RTU license

Official EOL: Additional Information

Last Ship Date: OS SW 09/12/2026
End Of SW Maintenance Releases Date: OS SW 06/13/2027
End Of New Service Attachment Date: OS SW 06/13/2027
End Of Service Contract Renewal Date: OS SW 06/13/2028
Last Date Of Support: OS SW 06/30/2029
Additional Information -
Official EOL Notice View Official EOL Documentation

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Manufacturer Part Number Product Name EOL Date
Cisco XR-NCS4K-601K9 Cisco NCS 4000 IOS XR Software Release 6.0.1 USB key- RTU License 01/15/2018
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Cisco E-NCS4K-6525K9= Cisco E-delivery of XR 6.5.25 for NCS4K; grants RTU license 06/13/2025
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