EOL For IOS XE Software 3.7.xE

Overview
End-of-sale and end-of-life dates for IOS XE Software 3.7.xE on Catalyst 3850 and 3650 Series Switches are announced. The last day to order the affected product(s) is May 1, 2017. Support remains available under active service agreements through the dates listed in Table 1 below.

End-of-Life Milestones and Dates (Table 1)

Milestone Definition Date
End-of-Life Announcement Date The date this document that announces end-of-sale and end-of-life is distributed to the public. October 31, 2016
End-of-Sale Date (OS SW) The last date to order the affected release; it is no longer for sale after this date. May 1, 2017
Last Ship Date (OS SW) The last-possible ship date that can be requested; actual ship date depends on lead time. May 1, 2017
End of SW Maintenance Releases (OS SW) Last date that engineering may release final software maintenance or bug fixes for this release. October 31, 2017
End of Vulnerability/Security Support (OS SW) Last date that engineering may release fixes for vulnerability or security issues for this release. May 1, 2018
Last Date of Support (OS SW) Last date to receive service and support under active service agreements; after this date, support services are unavailable. April 30, 2022

OS SW = Operating System Software

Additional Information

  • Table 1 outlines the lifecycle milestones, definitions, and dates for IOS XE Software 3.7.xE on Catalyst 3850 and 3650 Series Switches.

  • Support for this software release is provided according to the terms and conditions of active service contracts until the Last Date of Support.

  • After the End-of-Sale Date, ordering for this software release is no longer possible.

  • After the Last Date of Support, the release is no longer eligible for technical assistance or service.

If needed, please visit https://itmall.sale/

EOL For IOS XE 16.4.1

Overview
End-of-sale and end-of-life dates for IOS XE 16.4.1 are announced. The last date to order the affected product(s) is May 31, 2017. Support will continue under active service contracts as shown in Table 1.

End-of-Life Milestones and Dates (Table 1)

Milestone Definition Date
End-of-Life Announcement Date The date this document announcing end-of-sale and end-of-life is distributed to the public. March 7, 2017
End-of-Sale Date Last date to order the affected software. The product is no longer available after this date. May 31, 2017
Last Ship Date (OS SW) Last possible ship date that can be requested. Actual availability depends on lead time. May 31, 2017
End of Software Maintenance Releases (OS SW) Last date that engineering may release final software maintenance or bug fixes. November 30, 2017
End of Vulnerability/Security Support (OS SW) Last date that engineering may release software fixes for security issues in this release. November 30, 2017
Last Date of Support (OS SW) Last date to receive service and support under active service agreements. After this date, all support is unavailable. May 31, 2020

OS SW = Operating System Software

Additional Information

  • Support for products with active and paid service contracts will be provided in accordance with the terms and conditions of those agreements.

  • The End-of-Sale Date marks the last opportunity to order the affected product(s). After this date, the product(s) will no longer be available for sale.

  • After the Last Date of Support, all support services will be unavailable for the affected product(s).

If needed, please visit https://itmall.sale/

EOL For IOS XE 16.2.1

Overview
The end-of-sale and end-of-life dates have been announced for IOS XE 16.2.1. The final date to order the affected release is October 11, 2016. Support remains available under active service agreements until the dates listed below.

End-of-Life Milestones and Dates (Table 1)

Milestone Definition Date
End-of-Life Announcement Date The date this document announcing end-of-sale and end-of-life is distributed to the public. April 12, 2016
End-of-Sale Date Last date to order the affected software. The release is no longer available after this date. October 11, 2016
Last Ship Date (OS SW) Last possible ship date that can be requested. Actual availability depends on lead time. October 11, 2016
End of Software Maintenance Releases Date (OS SW) Last date that engineering may release maintenance updates or bug fixes for this release. April 12, 2017
End of Vulnerability/Security Support Date (OS SW) Last date that fixes for vulnerability or security issues may be provided. October 11, 2017
Last Date of Support (OS SW) Last date to receive service and support as entitled by active service agreements. After this date, all support is unavailable. October 31, 2021

OS SW = Operating System Software

Additional Information

  • Table 1 defines the lifecycle milestones, descriptions, and corresponding dates for IOS XE 16.2.1.

  • Support availability is determined by the terms and conditions of the applicable service agreement.

  • After the Last Date of Support, the release becomes obsolete and is no longer eligible for service or technical assistance.

  • Planning for software migration should be completed before the final support date to avoid operational risk.

If needed, please visit https://itmall.sale/

EOL For IOS XE 16.1.1

Overview
IOS XE 16.1.1 for Catalyst 3850 Series is end-of-sale as of August 4, 2016. Active service agreements remain supported until the dates shown in the milestones table below.

End-of-Life Milestones and Dates

Milestone Definition Date
End-of-Life Announcement Date Date this document announcing end-of-sale and end-of-life is distributed to the public. February 4, 2016
End-of-Sale Date Last date to order the product through official point-of-sale mechanisms. The product is no longer for sale after this date. August 4, 2016
Last Ship Date OS SW Last-possible ship date that can be requested from manufacturers. Actual ship date depends on lead time. August 4, 2016
End of SW Maintenance Releases Date OS SW Last date that engineering may release any final software maintenance releases or bug fixes. After this date, software will no longer be developed, repaired, or maintained except for vulnerability/security issues. February 3, 2017
End of Vulnerability/Security Support OS SW Last date engineering may release bug fixes for vulnerability or security issues. No rebuild releases provided after this date. August 4, 2017
Last Date of Support OS SW Last date to receive service and support as entitled by active agreements. After this date, all support is unavailable and product becomes obsolete. August 31, 2021

HW = Hardware OS SW = Operating System Software App. SW = Application Software

Additional Information

  • Systems currently using IOS XE 16.1.1 should plan to migrate to IOS XE 16.2.1 or later releases for continued support and security updates.

  • Software maintenance and vulnerability fixes will no longer be provided after the milestones listed above.

  • Service agreements covering the affected software remain valid until the milestone dates indicated.

  • Proper disposal of outdated software and hardware is recommended in accordance with recycling programs.

  • For further information or software migration details, please refer to https://itmall.sale/.

If needed, please visit https://itmall.sale/

EOL For Catalyst 4500 Memory PIDs

Overview
Catalyst 4500 Memory PIDs are end-of-sale as of May 2, 2018. Active service agreements remain supported until the dates shown in the milestones table below.

End-of-Life Milestones and Dates

Milestone Definition Date
End-of-Life Announcement Date The date this document announcing end-of-sale and end-of-life is distributed to the general public. November 1, 2017
End-of-Sale Date HW Last date to order the product through official point-of-sale mechanisms. Product is no longer for sale after this date. May 2, 2018
Last Ship Date HW Last possible ship date that can be requested from manufacturers. Actual ship date depends on lead time. July 31, 2018
End of Routine Failure Analysis Date HW Last date a routine failure analysis may be performed to determine the cause of hardware product failure or defect. May 2, 2019
End of New Service Attachment Date HW Last date to order a new service contract or add equipment/software to an existing contract if not covered. May 2, 2019
End of Service Contract Renewal Date HW Last date to extend or renew a service contract for the product. July 28, 2022
Last Date of Support HW Last date to receive applicable service and support for the product. After this date, all support is unavailable and the product becomes obsolete. May 31, 2023

HW = Hardware OS SW = Operating System Software App. SW = Application Software

Product Part Numbers Affected

End-of-Sale Product Part Number Product Description Replacement Product Part Number Replacement Product Description Additional Information
MEM-C4K-256-SDRAM 256 DIMM DRAM for Supervisor II-Plus-10GE SD-X45-2GB-E Catalyst 4500 2GB SD Memory Card -
MEM-C4K-256-SDRAM= 256 DIMM DRAM for Supervisor II-Plus-10GE SD-X45-2GB-E= Catalyst 4500 2GB SD Memory Card -
MEM-C4K-FLD128M Catalyst 4900M Compact Flash, 128MB Option SD-X45-2GB-E Catalyst 4500 2GB SD Memory Card -
MEM-C4K-FLD128M= Cat 4500 IOS-based Supervisor, Compact Flash, 128MB Spare SD-X45-2GB-E= Catalyst 4500 2GB SD Memory Card -
MEM-X45-512MB-E Catalyst 4500 512MB to 1GB SDRAM Upgrade for Sup6-E SD-X45-2GB-E Catalyst 4500 2GB SD Memory Card -
MEM-X45-512MB-E= Catalyst 4500 512MB to 1GB SDRAM Upgrade for Sup6-E SD-X45-2GB-E= Catalyst 4500 2GB SD Memory Card -

Additional Information

  • Migration to the listed replacement SD memory cards is recommended for systems using the affected memory PIDs.

  • Upgrade and replacement planning should be completed before the Last Date of Support to ensure continued operational stability.

  • Service agreements covering the affected PIDs remain valid until the milestone dates shown above.

  • Items without replacement entries indicate that no direct successor is defined and should be considered in future platform planning.

If needed, please visit https://itmall.sale/

EOL For Catalyst C4500E Series

Overview
Catalyst C4500E Series is officially end-of-sale as of October 30, 2020. Active service agreements remain supported until the dates shown in the milestones table below.

End-of-Life Milestones and Dates

Milestone Definition Date
End-of-Life Announcement Date The date this document announcing end-of-sale and end-of-life of a product is distributed to the general public. October 31, 2019
End-of-Sale Date HW,Accessory The last date to order the product through official point-of-sale mechanisms. The product is no longer for sale after this date. October 30, 2020
Last Ship Date HW,Accessory The last-possible ship date that can be requested from manufacturing partners. Actual ship date is dependent on lead time. January 29, 2021
End of SW Maintenance Releases Date HW The last date that engineering may release any final software maintenance releases or bug fixes. After this date, engineering will no longer develop, repair, maintain, or test the product software. October 30, 2021
End of Vulnerability/Security Support HW The last date engineering may release a planned maintenance release or scheduled software remedy for a security vulnerability issue. October 31, 2025
End of Routine Failure Analysis Date HW The last-possible date a routine failure analysis may be performed to determine the cause of hardware product failure or defect. October 30, 2021
End of New Service Attachment Date HW For equipment and software not covered by a service-and-support contract, this is the last date to order a new contract or add the equipment/software to an existing contract. October 30, 2021
End of Service Contract Renewal Date HW The last date to extend or renew a service contract for the product. January 28, 2025
Last Date of Support HW The last date to receive applicable service and support for the product as entitled by active agreements or warranty terms. After this date, all support services are unavailable, and the product becomes obsolete. October 31, 2025

HW = Hardware OS SW = Operating System Software App. SW = Application Software

Product Part Numbers Affected

End-of-Sale Product Part Number Product Description Replacement Product Part Number Replacement Product Description Additional Information
WS-C4K-PS-CVR 4500 Classic Chassis Power Supply Blank Cover There is currently no replacement product available for this product. - -
WS-C4KE-PS-CVR 4500 E-Series Chassis Power Supply Blank Cover There is currently no replacement product available for this product. - -
WS-C4KE-PS-CVR= 4500 E-Series Chassis Power Supply Blank Cover Spare There is currently no replacement product available for this product. - -
WS-X4503-FILTER= C4503 Center Mount 23 Inch Filter (1 Set) There is currently no replacement product available for this product. - -
WS-X4503E-19CNTR= C4503 E Center Mount 19 Inch Rack Kit L/R C There is currently no replacement product available for this product. - -
WS-X4503E-23CNTR= C4503 E Center Mount 23 Inch Rack Kit L/R C There is currently no replacement product available for this product. - -
WS-X4503E-ACC-KIT= Catalyst C4503-E spare accessory kit There is currently no replacement product available for this product. - -
WS-X4506-FILTER= C4506 Center Mount 23 Inch Filter (1 Set) There is currently no replacement product available for this product. - -
WS-X4506E-19CNTR= C4506 E Center Mount 19 Inch Rack Kit L/R C There is currently no replacement product available for this product. - -
WS-X4506E-23CNTR= C4506 E Center Mount 23 Inch Rack Kit L/R C There is currently no replacement product available for this product. - -
WS-X4506E-ACC-KIT= Catalyst C4506-E spare accessory kit There is currently no replacement product available for this product. - -
WS-X4507-FILTER= C4507R Center Mount 23 Inch Filter (1 Set) There is currently no replacement product available for this product. - -
WS-X4507E-19CNTR= C4507R E Center Mount 19 Inch Rack Kit L/R C There is currently no replacement product available for this product. - -
WS-X4507E-23CNTR= C4507R E Center Mount 23 Inch Rack Kit L/R C There is currently no replacement product available for this product. - -
WS-X4507E-ACC-KIT= Catalyst C4507-E spare accessory kit There is currently no replacement product available for this product. - -
WS-X4510-FILTER= C4510R Center Mount 23 Inch Filter (1 Set) There is currently no replacement product available for this product. - -
WS-X4510E-19CNTR= C4510RE Front Mount 19 Inch Rack Kit L/R There is currently no replacement product available for this product. - -
WS-X4510E-23CNTR= C4510R E Center Mount 23 Inch Rack Kit L/R C There is currently no replacement product available for this product. - -
WS-X4510E-ACC-KIT= Catalyst C4510-E spare accessory kit There is currently no replacement product available for this product. - -
WS-X4582+E= Catalyst 4510R+E Fan Tray (Spare) There is currently no replacement product available for this product. - -
WS-X4593-E= Catalyst 4503-E Fan Tray (Spare) There is currently no replacement product available for this product. - -
WS-X4596-E= Catalyst 4506-E Fan Tray (Spare) There is currently no replacement product available for this product. - -
WS-X4597+E= Catalyst 4507R+E Fan Tray (Spare) There is currently no replacement product available for this product. - -
XC-SLOT-CVR-E Slot Cover E-Series There is currently no replacement product available for this product. - -

If needed, please visit https://itmall.sale/

EOS For Catalyst 4500 Universal Images

Overview

End-of-sale and end-of-life are announced for the Universal Images for Catalyst 4500 switches, with the final order date set to September 5, 2023.

End-of-Life Milestones

Table 1. End-of-Life Milestones and Dates

Milestone Definition Date
End-of-Life Announcement Date Date when the end-of-sale and end-of-life notice was published. March 7, 2023
End-of-Sale Date: OS SW, App SW, License Last date to order the affected software or license products. September 5, 2023
Last Ship Date: OS SW, App SW, License Last possible ship date that could be requested; actual ship date depends on lead time. December 4, 2023
End of SW Maintenance Releases Date: OS SW, App SW Final date that any software maintenance releases or bug fixes may be produced. September 4, 2024
End of New Service Attachment Date: OS SW, App SW Last date to order a new service contract or add the product to an existing service. September 4, 2024
End of Service Contract Renewal Date: App SW Last date to extend or renew a service contract for application software. September 4, 2025
End of Service Contract Renewal Date: OS SW Last date to extend or renew a service contract for operating system software. December 1, 2027
Last Date of Support: App SW Last date to receive applicable support for application software. September 30, 2025
Last Date of Support: OS SW Last date to receive applicable support for operating system software. September 30, 2028

OS SW = Operating System Software; App SW = Application Software

Affected Product Part Numbers

Table 2. Product Part Numbers Affected by This Notice

End-of-Sale Product Part Number Product Description
C1-4500E-DNAA-T ONE C4500E DNA Advantage Term License
C1-C4500E-DNAA-O ONE C4500E DNA Advantage On-Going Innovation License
C1-C4500E-DNAE-O ONE C4500E DNA Essentials On-Going Innovation License
C4500E-LB License for LAN Base
C4500E-LB-IPB= LAN Base to IP Base License, Spare
L-C4500E-IPB-ES Electronic IP Base to Enterprise Services License
S45EUK9T-S8-310E CAT4500E SUP8E Universal Crypto Image
S45EUK9T-S9-310E CAT4500E SUP9E Universal Crypto Image
S45EULPE-S9-310E CAT4500E SUP9E Universal NoMACSEC Image
S45EULPET-S9-310E CAT4500E SUP9E Universal NoMACSEC Image
S45EUT-S9-310E CAT4500E SUP9E Universal Image
S45XUK9T-310E CAT4500-X Universal Crypto Image
S4KL3-12119E IOS BASIC L3 Catalyst 4500 SUP 3/4 Image
S4KL3EU3-12120EU Enhanced L3 Image for Catalyst 4000 Series

 

Migration and Lifecycle Notes

No direct replacement is available for the Universal Images for Catalyst 4500 switches. Eligible products may be traded in under applicable migration programs that provide credit toward the purchase of new equipment. Refurbished units may have been available through certified refurbishment offerings in limited supply until their last support date was reached.

If needed, please visit https://itmall.sale/

EOL For UPOE Power Splitter

Overview

End-of-sale and end-of-life are announced for the UPOE Power Splitter, with the final order date set to October 29, 2016.

End-of-Life Milestones

Table 1. End-of-Life Milestones and Dates

Milestone Definition Date
End-of-Life Announcement Date Date when the end-of-sale and end-of-life notice was published. April 30, 2016
End-of-Sale Date Last date to order the affected product through standard sales channels. October 29, 2016
Last Ship Date (HW) Last possible shipment date that could be requested; actual shipment depends on lead time. January 27, 2017
End of Software Maintenance Releases Date (HW) Final possible date for any software maintenance releases or bug fixes. October 29, 2017
End of Routine Failure Analysis Date (HW) Final date for routine failure analysis to determine hardware defect cause. October 29, 2017
End of New Service Attachment Date (HW) Last date to attach the product to a new support agreement. October 29, 2017
End of Service Contract Renewal Date (HW) Final date to renew or extend a service contract. January 24, 2021
Last Date of Support (HW) Last date to receive applicable service and support for the product. October 31, 2021

HW = Hardware

Affected Product Part Numbers

Table 2. Product Part Numbers Affected by This Notice

End-of-Sale Product Part Number Product Description Replacement Product Part Number Replacement Product Description
WS-UPOE-12VPSPL 12V UPOE Pass-Through Splitter — —
WS-UPOE-12VPSPL= 12V UPOE Pass-Through Splitter (spare) — —

Migration and Lifecycle Notes

No direct replacement is available for the UPOE Power Splitter at this time. Migration options include trade-in programs that may provide credit toward purchase of new equipment and responsible disposal through take-back/recycle initiatives. Refurbished units may have been available in limited supply under refurbishment programs until the last support date was reached.

If needed, please visit https://itmall.sale/

EOL For Catalyst 4500 Supervisor Engine 6L-E

Overview

End-of-sale and end-of-life are announced for the 4500 Supervisor Engine 6L-E, with the final order date set to February 2, 2015.

End-of-Life Milestones

Table 1. End-of-Life Milestones and Dates

Milestone Definition Date
End-of-Life Announcement Date Date when the end-of-sale and end-of-life notice was published. August 4, 2014
End-of-Sale Date Last date to order the product through standard point-of-sale mechanisms. February 2, 2015
Last Ship Date (HW) Last possible ship date that can be requested; actual shipment depends on lead time. May 3, 2015
End of Software Maintenance Releases Date (HW) Last date any final software maintenance releases or bug fixes may be released. February 2, 2016
End of Vulnerability/Security Support (HW) Last date that planned maintenance or security remedies may be released. February 1, 2018
End of Routine Failure Analysis Date (HW) Last possible date a routine hardware failure analysis may be performed. February 2, 2016
End of New Service Attachment Date (HW) Last date to attach the product to a new service-and-support contract. February 2, 2016
End of Service Contract Renewal Date (HW) Last date to renew or extend a service contract. April 30, 2019
Last Date of Support (HW) Last date to receive service and support under active agreements. February 29, 2020

HW = Hardware

Affected Product Part Numbers

Table 2. Product Part Numbers Affected by This Notice

End-of-Sale Product Part Number Product Description Replacement Product Part Number Replacement Product Description
WS-X45-SUP6L-E= 4500 E-Series Supervisor 6L-E Lite, 2×10GE (X2) WS-X45-SUP7L-E= 4500 E-Series Supervisor 7L-E, 520 Gbps
WS-X45-SUP6L-E 4500 E-Series Supervisor 6L-E Lite, 2×10GE (X2) WS-X45-SUP7L-E 4500 E-Series Supervisor 7L-E, 520 Gbps
WS-X45-SUP6L-E/2 4500 E-Series Supervisor 6L-E Lite, 2×10GE (X2) redundant WS-X45-SUP7L-E/2 4500 E-Series Supervisor 7L-E redundant
WS-X45-SUP8L-E= 4500 E-Series Supervisor 8L-E spare — —
WS-X45-SUP8L-E 4500 E-Series Supervisor 8L-E — —
WS-X45-SUP8L-E/2 4500 E-Series Supervisor 8L-E redundant — —
WS-C4507RES6L+96V+ 4507R+E chassis, two WS-X4648-RJ45V+E, Sup6L-E WS-C4507RE+96V+ 4507R+E chassis, two WS-X4648-RJ45V+E, Sup7L-E, LAN Base
WS-C4506E-S6L-96V+ 4506-E chassis, two WS-X4648-RJ45V+E, Sup6L-E WS-C4506E-S7L+96V+ 4506-E chassis, two WS-X4648-RJ45V+E, Sup7L-E, LAN Base
WS-C4506E-S6L-4200 4506-E chassis with 4200W PS and Sup6L-E WS-C4506E-S7L+96V+ 4506-E chassis, two WS-X4648-RJ45V+E, Sup7L-E, LAN Base
WS-C4506E-S6L-2800 4506-E chassis with 2800W PS and Sup6L-E WS-C4506E-S7L+96V+ 4506-E chassis, two WS-X4648-RJ45V+E, Sup7L-E, LAN Base
WS-C4506E-S6L-1300 4506-E chassis with 1300W PS and Sup6L-E WS-C4506E-S7L+96V+ 4506-E chassis, two WS-X4648-RJ45V+E, Sup7L-E, LAN Base
WS-C4503E-S6L-48VE 4503-E chassis with one 24G PoE card and Sup6L-E WS-C4503E-S7L+48V+ 4503-E chassis, one WS-X4648-RJ45V+E, Sup7L-E, LAN Base
WS-C4503E-S6L-48V+ 4503-E chassis with WS-X4648-RJ45V+E and Sup6L-E WS-C4503E-S7L+48V+ 4503-E chassis, one WS-X4648-RJ45V+E, Sup7L-E, LAN Base
WS-C4503E-S6L-1300 4503-E chassis with 1300W PS and Sup6L-E WS-C4503E-S7L+48V+ 4503-E chassis, one WS-X4648-RJ45V+E, Sup7L-E, LAN Base
MEM-X45-1GB-LE= 4500 1GB SDRAM upgrade for Sup6-LE — —
MEM-X45-1GB-LE 4500 1GB SDRAM upgrade for Sup6-LE — —
C4507+2S6L-C 4507R+E chassis and two Sup6L-E C4507+2S7LES-C 4507R+E chassis and dual Sup7L-E
C4507+1S6L-C 4507R+E chassis and one Sup6L-E C4507+1S7LES-C 4507R+E chassis and one Sup7L-E
C4506-S6L-C 4506-E chassis and Sup6L-E C4506-1S7LES-C 4506-E chassis and Sup7L-E
C4503-S6L-C 4503-E chassis and Sup6L-E C4503-1S7LES-C 4503-E chassis and Sup7L-E
C4500E-S6L-DEFAULT Default Sup6L-E with WS-X4648-RJ45V+E bundle C4500E-S7L-DEFAULT Default Sup7L-E with WS-X4648-RJ45V+E bundle

Part listings reflect all affected products from the official announcement

Migration and Lifecycle Notes

Migration to the 4500 Supervisor Engine 7L-E was encouraged to maintain platform capabilities. Program options such as trade-in and take-back/recycle were available for eligible units until their last support date. Refurbished units may have been available in limited supply through certified refurbished programs.

If needed, please visit https://itmall.sale/

EOL For IOS Releases 12.1(19)EW & 12.1(20)EW

Overview

End-of-sale and end-of-life are announced for IOS Software Releases 12.1(19)EW and 12.1(20)EW on Catalyst 4000 and Catalyst 4500 Series Switches, with the final order date set to October 4, 2005.

End-of-Life Milestones

Table 1. End-of-Life Milestones and Dates

Milestone Definition Date
End-of-Life Announcement Date Date when the end-of-sale and end-of-life notice was published. April 4, 2005
End-of-Sale Date Last date to order the affected software releases. October 4, 2005
Last Shipment Date Last possible ship date that could be requested. Actual shipment depends on lead time. January 4, 2006
End of Software Maintenance Releases Date Final date for any software maintenance releases or bug fixes. October 4, 2006
Last Date of Support Final date to receive service and support for the product. October 4, 2010

SW = Software

Affected Product Part Numbers

Table 2. Product Part Numbers Affected by This Notice

End-of-Sale Product Part Number Product Description Replacement Product Part Number Replacement Product Description
S4KL3-12119EW Basic Layer 3 image, Supervisor Engine II-Plus/III/IV S4KL3-12218EW Replacement Layer 3 software image
S4KL3-12119EW= Basic Layer 3 image, Supervisor Engine II-Plus/III/IV (spare) S4KL3-12218EW= Replacement Layer 3 software image (spare)
S4KL3E-12119EW Enhanced Layer 3 image, Supervisor Engine III/IV S4KL3E-12218EW Replacement enhanced Layer 3 image
S4KL3E-12119EW= Enhanced Layer 3 image, Supervisor Engine III/IV (spare) S4KL3E-12218EW= Replacement enhanced Layer 3 image (spare)
S4KL3K2-12119EW Basic Layer 3 w/ 3DES, Supervisor Engine II-Plus/III/IV S4KL3K91-12218EW Replacement Layer 3 w/ 3DES
S4KL3K2-12119EW= Basic Layer 3 w/ 3DES, Supervisor Engine II-Plus/III/IV (spare) S4KL3K91-12218EW= Replacement Layer 3 w/ 3DES (spare)
S4KL3-12120EW Basic Layer 3 image, Supervisor Engine II-Plus/III/IV S4KL3-12218EW Replacement Layer 3 software image
S4KL3-12120EW= Basic Layer 3 image, Supervisor Engine II-Plus/III/IV (spare) S4KL3-12218EW= Replacement Layer 3 software image (spare)
S4KL3E-12120EW Enhanced Layer 3 image, Supervisor Engine III/IV S4KL3E-12218EW Replacement enhanced Layer 3 image
S4KL3E-12120EW= Enhanced Layer 3 image, Supervisor Engine III/IV (spare) S4KL3E-12218EW= Replacement enhanced Layer 3 image (spare)
S4KL3K2-12120EW Basic Layer 3 w/ 3DES, Supervisor Engine II-Plus/III/IV S4KL3K91-12218EW Replacement Layer 3 w/ 3DES
S4KL3K2-12120EW= Basic Layer 3 w/ 3DES, Supervisor Engine II-Plus/III/IV (spare) S4KL3K91-12218EW= Replacement Layer 3 w/ 3DES (spare)

Note: List reflects all affected images and their replacements from original announcement

Migration and Lifecycle Notes

Migration to IOS Software Release 12.2(18)EW or later on Catalyst 4000 and Catalyst 4500 Series Switches was recommended, as newer releases include broader hardware support and additional software features.

If needed, please visit https://itmall.sale/