Past EOSL
The Cisco Catalyst 4500 Supervisor Engine 9E reached End of Service Life (EOSL) on 31 Oct 2026.
End of sale
30 Oct 2021EOSL
31 Oct 2026
30 Oct 2021EOSL
31 Oct 2026
- Manufacturer
- Cisco
- Product family
- Catalyst 4500 Series Switches
- Models / part numbers
- C1-X45-SUP9-E, C1-X45-SUP9-E/2, CAB-CON-C4K-RJ45, WS-UA-SUP9E, WS-X45-SUP9-E, WS-X45-SUP9-E/2
- Category
- Network Switch
- End of sale / EOL
- 30 Oct 2021
- End of Service Life
- 31 Oct 2026
- Source
- OEM end-of-life notice · view source
- Notes
- Cisco end-of-life bulletin (announced 2020-10-30). Covers 9 part numbers, e.g. C1-X45-SUP9-E, C1-X45-SUP9-E/2, CAB-CON-C4K-RJ45.
- Last checked
- 14 Nov 2026
Frequently asked questions
When is the Cisco Catalyst 4500 Supervisor Engine 9E End of Service Life?
Cisco Catalyst 4500 Supervisor Engine 9E reached End of Service Life on 31 Oct 2026, after End of Sale on 30 Oct 2021.
What happens after the Catalyst 4500 Supervisor Engine 9E reaches EOSL?
Cisco stops selling support contracts, spare parts and firmware updates. The hardware keeps working, but break/fix, parts and engineering help must come from a third-party maintenance provider.
Can SLA Expert support the Catalyst 4500 Supervisor Engine 9E after EOSL?
Yes — SLA Expert provides multi-vendor third-party maintenance, spares and field engineering for post-EOSL Cisco equipment across the Middle East and Africa. Request a quote to confirm coverage for your units.
Related Cisco EOSL dates
| Model | Category | End of sale | EOSL date | Status | |
|---|---|---|---|---|---|
| Catalyst 4500 Supervisor Engine 7L-E C1-X45-SUP7L-E, C1-X45-SUP7L-E/2, C4500E-S3-4748RJV, C4500E-S3-MGIG, C4500E-S3-UPOE, C4500E-S6-4748RJV, C4500E-S6-MGIG, C4500E-S6-UPOE, C4500E-S7-4748RJV, C4500E-S7L-SFP, C4500E-S7L-SFP-DEF, C4500E-S7L/2 | Network Switch | 31 Oct 2018 | 31 Oct 2023 | Past EOSL | |
| Catalyst 4500 Memory PIDs MEM-C4K-256-SDRAM, MEM-C4K-FLD128M, MEM-X45-512MB-E | Network Switch | 02 May 2018 | 31 May 2023 | Past EOSL | |
| UPOE Power Splitter WS-UPOE-12VPSPL | Network Switch | 29 Oct 2016 | 31 Oct 2021 | Past EOSL | |
| Catalyst 4500E Line Cards C4500E-S7L-DEFAULT, ME-X4248-FE-SFP, WS-450096V, WS-C4506E-S7L+96, WS-C4507RE-S7L+96, WS-X4148-FX-MT, WS-X4248-FE-SFP, WS-X4606-X2-E, WS-X4612-SFP-E, WS-X4624-SFP-E, WS-X4648-RJ45-E, WS-X4648-RJ45V+E | Network Switch | 30 Apr 2017 | 30 Apr 2022 | Past EOSL | |
| Catalyst 4500 Supervisor Engine 6L-E WS-X45-SUP6L-E, WS-X45-SUP6L-E/2, WS-C4507RES6L+96V, WS-C4506E-S6L-96V, WS-C4506E-S6L-4200, WS-C4506E-S6L-2800, WS-C4506E-S6L-1300, WS-C4503E-S6L-48VE, WS-C4503E-S6L-48V, WS-C4503E-S6L-1300, MEM-X45-1GB-LE, C4507+2S6L-C | Network Switch | 02 Feb 2015 | 29 Feb 2020 | Past EOSL | |
| Catalyst 4507R-E and 4510R-E Spare Fan Tray WS-X4582-E, WS-X4597-E | Network Switch | 30 Aug 2013 | 31 Aug 2018 | Past EOSL |