Lifecycle record
SC4K-SUP-6-3-6 EOL & EOSL Dates
Cisco Catalyst 4K Supervisor Flash Image, Release 6.3.6
Lifecycle status
In EOSL Phase
SC4K-SUP-6-3-6 reached its last date of support on 2025-09-30. Cisco support services are no longer available for this model.
Last checked: 2026-06-16
EOL & EOSL Dates and Details
| End-of-Life Announcement (EOL) | 2023-03-07 |
|---|---|
| End of Sale (EOS) | 2023-09-05 |
| End of Service Life (EOSL) | 2025-09-30 |
| Manufacturer | Cisco |
| Category | Switches |
| Product Series | Cisco Catalyst 4000 |
| Part Number | SC4K-SUP-6-3-6 |
| Model Number | SC4K-SUP-6.3.6 |
| Release Date | - |
| Replacement Part Number | N/A |
Lifecycle Timeline
Recorded lifecycle milestones in date order.
Additional Information
Support milestones and the official source recorded for this model.
| Last Ship Date: HW, License | 2023-12-04 |
|---|---|
| End Of New Service Attachment Date: HW | 2024-09-04 |
| End Of SW Maintenance Releases Date: HW | 2024-09-04 |
| End Of Service Contract Renewal Date: HW | 2025-09-04 |
| Official EOL Notice | View Official EOL Documentation |
More Cisco Catalyst 4000 EOL Dates
| Part Number | Product Name | EOL Announcement | End of Sale |
|---|---|---|---|
| C4K-SLOT-CVR | Cisco Catalyst 4000 Family Slot Cover (Spare) | 2010-01-30 | 2010-07-31 |
| C4K-UPLINK-CVR | Cisco Catalyst 4000 UPLINK COVER (SPARE) | 2010-01-30 | 2010-07-31 |
| FR-C4000-FAN | Cisco C4000 Fan Tray | 2002-04-02 | 2002-07-02 |
| PWR-C4000-AC | Cisco C4000 1000W AC Power Supply | 2002-04-02 | 2002-07-02 |
| PWR-C4000-DC | Cisco C4000 1000W DC Power Supply | 2002-04-02 | 2002-07-02 |
| S4KL3EU3-12120EU | Cisco CAT4000 Series ENHANCED L3 MPEG2 | 2023-03-07 | 2023-09-05 |
| SC4K-SCVK8-8-3-1X | Cisco Cat 4K Supervisor Flash Image w/ CiscoView, Release 8.3.1X | 2023-03-07 | 2023-09-05 |
| SC4K-SUP-6-3-7 | Cisco Catalyst 4K Supervisor Flash Image, Release 6.3.7 | 2023-03-07 | 2023-09-05 |