Lifecycle record

S4KL3EK9-12220EWA EOL & EOSL Dates

Cisco IOS ENHNCD L3 C4500 SUP4/5, 3DES (OSPF, EIGRP, IS-IS)

Lifecycle status

In EOSL Phase

S4KL3EK9-12220EWA reached its last date of support on 2013-11-12. Cisco support services are no longer available for this model. Recommended replacement: S45ESK9-12231SGA.

Last checked: 2026-06-16

EOL & EOSL Dates and Details

End-of-Life Announcement (EOL) 2008-05-15
End of Sale (EOS) 2008-11-13
End of Service Life (EOSL) 2013-11-12
Manufacturer Cisco
Category Switches
Product Series Cisco Catalyst 4500
Part Number S4KL3EK9-12220EWA
Release Date -
Replacement Part Number S45ESK9-12231SGA
Replacement Product Name Cisco CAT4500 IOS ENTERPRISE SERVICES SSH

Lifecycle Timeline

Recorded lifecycle milestones in date order.

  • End-of-Life Announcement (EOL)
    2008-05-15


  • End of Sale (EOS)
    2008-11-13


  • Last Ship Date
    2008-11-13


  • End of SW Maintenance
    2009-11-13


  • End of Service Life (EOSL)
    2013-11-12

Additional Information

Support milestones and the official source recorded for this model.

Last Ship Date: HW, License 2008-11-13
End Of SW Maintenance Releases Date: HW 2009-11-13
Official EOL Notice View Official EOL Documentation
Additional Information Software support for issues found in 12.2(20)EW and 12.2(25)EW will be addresssed in 12.2(31)SGA rebuilds

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