Overview
This notice announces the end‑of‑sale and end‑of‑life milestones for the IOS Software Releases 12.2(20)EW and 12.2(25)EW that run on the 4500 Series Supervisor Engine. The final date to order these software releases is October 29, 2008, and support is provided through October 28, 2013, as detailed in the milestone table below.
Table 1. Lifecycle Dates
| Milestone | Definition | Date |
|---|---|---|
| End‑of‑Life Announcement Date | Date this notice announcing end‑of‑sale and end‑of‑life was published | April 30, 2008 |
| End‑of‑Sale Date | Last date to order the software releases | October 29, 2008 |
| Last Ship Date: OS SW | Last requestable ship date for the software releases | October 29, 2008 |
| End of SW Maintenance Releases Date: OS SW | Last date for software maintenance or bug fixes | October 29, 2009 |
| Last Date of Support | Final date support services are available for the software | October 28, 2013 |
OS SW = Operating System Software
Table 2. Affected Software Part Numbers and Replacements
| End‑of‑Sale Part Number | Description | Replacement Part Number | Replacement Description |
|---|---|---|---|
| S4KL3‑12220EW | IOS BASIC L3 Cat4500 SUP 2+/4/5 (RIP, Static Routes, IPX, AT) | S45IPB‑12231SGA | IOS IP BASE without crypto |
| S4KL3‑12220EW= | IOS BASIC L3 Cat4500 SUP 2+/4/5 (RIP, Static Routes, IPX, AT) (spare) | S45IPB‑12231SGA= | IOS IP BASE without crypto (spare) |
| S4KL3‑12225EW | IOS BASIC L3 Cat4500 SUP 2+/4/5 (RIP, Static Routes, IPX, AT) | S45IPB‑12231SGA | IOS IP BASE without crypto |
| S4KL3‑12225EW= | IOS BASIC L3 Cat4500 SUP 2+/4/5 (RIP, Static Routes, IPX, AT) (spare) | S45IPB‑12231SGA= | IOS IP BASE without crypto (spare) |
| S4KL3E‑12220EW | IOS ENHANCED L3 Cat4500 SUP4/5 (OSPF, EIGRP, IS‑IS) | S45ES‑12231SGA | IOS ENTERPRISE SERVICES without crypto |
| S4KL3E‑12220EW= | IOS ENHANCED L3 Cat4500 SUP4/5 (OSPF, EIGRP, IS‑IS) (spare) | S45ES‑12231SGA= | IOS ENTERPRISE SERVICES without crypto (spare) |
| S4KL3E‑12225EW | IOS ENHANCED L3 Cat4500 SUP4/5 (OSPF, EIGRP, IS‑IS) | S45ES‑12231SGA | IOS ENTERPRISE SERVICES without crypto |
| S4KL3E‑12225EW= | IOS ENHANCED L3 Cat4500 SUP4/5 (OSPF, EIGRP, IS‑IS) (spare) | S45ES‑12231SGA= | IOS ENTERPRISE SERVICES without crypto (spare) |
| S4KL3EK9‑12225EW | IOS ENHNCD L3 C4500 SUP4/5, 3DES (OSPF, EIGRP, IS‑IS) | S45ESK9‑12231SGA | IOS ENTERPRISE SERVICES SSH |
| S4KL3EK9‑12225EW= | IOS ENHNCD L3 C4500 SUP4/5, 3DES (OSPF, EIGRP, IS‑IS) (spare) | S45ESK9‑12231SGA= | IOS ENTERPRISE SERVICES SSH (spare) |
| S4KL3EK91‑12220EW | IOS ENHNCD L3 C4500 SUP4/5, 3DES (OSPF, EIGRP, IS‑IS) | S45ESK9‑12231SGA | IOS ENTERPRISE SERVICES SSH |
| S4KL3EK91‑12220EW= | IOS ENHNCD L3 C4500 SUP4/5, 3DES (OSPF, EIGRP, IS‑IS) (spare) | S45ESK9‑12231SGA= | IOS ENTERPRISE SERVICES SSH (spare) |
| S4KL3K9‑12225EW | IOS BASIC L3 Cat4500 SUP2+/4/5, 3DES (RIP, Static Routes, IPX, AT) | S45IPBK9‑12231SGA | IOS IP BASE SSH |
| S4KL3K9‑12225EW= | IOS BASIC L3 Cat4500 SUP2+/4/5, 3DES (RIP, Static Routes, IPX, AT) (spare) | S45IPBK9‑12231SGA= | IOS IP BASE SSH (spare) |
| S4KL3K91‑12220EW | IOS BASIC L3 Cat4500 SUP2+/4/5, 3DES (RIP, Static Routes, IPX, AT) | S45IPBK9‑12231SGA | IOS IP BASE SSH |
| S4KL3K91‑12220EW= | IOS BASIC L3 Cat4500 SUP2+/4/5, 3DES (RIP, Static Routes, IPX, AT) (spare) | S45IPBK9‑12231SGA= | IOS IP BASE SSH (spare) |
Migration Recommendation
Sites running the older IOS Software Releases 12.2(20)EW or 12.2(25)EW on the 4500 Series Supervisor Engine are encouraged to move to the 12.2(31)SGA software train for continued software maintenance and broader feature support.
If needed, please refer to https://itmall.sale/