Past EOSL
The Cisco ISR4000 Series Boost Bundle Products reached End of Service Life (EOSL) on 31 Oct 2024.
End of sale
29 Oct 2019EOSL
31 Oct 2024
29 Oct 2019EOSL
31 Oct 2024
- Manufacturer
- Cisco
- Product family
- 4221 Integrated Services Router ISR
- Models / part numbers
- ISR4221-B/K9, ISR4321-B/K9, ISR4331-B/K9
- Category
- Router
- End of sale / EOL
- 29 Oct 2019
- End of Service Life
- 31 Oct 2024
- Source
- OEM end-of-life notice · view source
- Notes
- Cisco end-of-life bulletin (announced 2019-04-30). Covers 3 part numbers, e.g. ISR4221-B/K9, ISR4321-B/K9, ISR4331-B/K9.
- Last checked
- 14 Nov 2026
Frequently asked questions
When is the Cisco ISR4000 Series Boost Bundle Products End of Service Life?
Cisco ISR4000 Series Boost Bundle Products reached End of Service Life on 31 Oct 2024, after End of Sale on 29 Oct 2019.
What happens after the ISR4000 Series Boost Bundle Products 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 ISR4000 Series Boost Bundle Products 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 | |
|---|---|---|---|---|---|
| 12000 Series 1-port OC-48c/POS Line Cards, FC CONNECTOR OC48E/POS-LR-FC-B, OC48E/POS-SR-FC-B | Network Module | 27 Dec 2001 | 27 Dec 2006 | Past EOSL | |
| SOHO 71, 76, 77, 77H, 806, 826, 827, and 827H Routers CISCOSOHO71, CISCOSOHO76, CISCOSOHO77-50, CISCOSOHO77H, CISCO806, CISCO826, CISCO827, CISCO827H | Router | 30 Apr 2004 | 30 Apr 2009 | Past EOSL | |
| Catalyst 6509-NEB Chassis and Cisco Catalyst 6500 1300W AC Power Supply WS-C6509-NEB, WS-C6509-NEB-FAN, WS-C6509NEB-1300A, WS-C6509NEB-1300D, WS-C6509NEB-2500A, WS-C6509NEB-2500D | Network Switch | 05 Nov 2004 | 30 Nov 2009 | Past EOSL | |
| EOS & EOL: Select Cisco Catalyst 6500 Series Components-Updated WS-C6509-NEB, WS-CAC-1300W | Network Switch | 31 Dec 2004 | 31 Dec 2009 | Past EOSL | |
| 16OC3/POS-SM,16OC3/POS-MM ,8OC3/POS-SM & 8OC3/POS-MM 16OC3/POS-MM, 16OC3/POS-SM, 8OC3/POS-MM, 8OC3/POS-SM | Network Module | 31 Jan 2005 | 31 Jan 2010 | Past EOSL | |
| Catalyst 6500 Series OC-12 ATM Module | Network Switch | 25 Apr 2005 | 25 Apr 2010 | Past EOSL |