Past EOSL
The Cisco Stealthwatch Flow Sensor 4210 reached End of Service Life (EOSL) on 28 Feb 2026.
End of sale
12 Feb 2021EOSL
28 Feb 2026
12 Feb 2021EOSL
28 Feb 2026
- Manufacturer
- Cisco
- Product family
- Stealthwatch
- Models / part numbers
- ST-FS4210-K9, ST-FS4210-CHAS-K9, ST-M5-10G-4FI
- Category
- Firewall
- End of sale / EOL
- 12 Feb 2021
- End of Service Life
- 28 Feb 2026
- Source
- OEM end-of-life notice · view source
- Notes
- Cisco end-of-life bulletin (announced 2020-08-14). Covers 3 part numbers, e.g. ST-FS4210-K9, ST-FS4210-CHAS-K9, ST-M5-10G-4FI.
- Last checked
- 14 Nov 2026
Frequently asked questions
When is the Cisco Stealthwatch Flow Sensor 4210 End of Service Life?
Cisco Stealthwatch Flow Sensor 4210 reached End of Service Life on 28 Feb 2026, after End of Sale on 12 Feb 2021.
What happens after the Stealthwatch Flow Sensor 4210 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 Stealthwatch Flow Sensor 4210 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 | |
|---|---|---|---|---|---|
| UCS M6 based Hardware Appliances for Secure Network Analytics (formerly Stealthwatch) Flow Collector, Fl ST-FS1300-K9, ST-FS1300-CHAS-K9, ST-FS3300-K9, ST-FS3300-CHAS-K9, ST-FS4300-K9, ST-FS4300-CHAS-K9, ST-FC4300-K9, ST-FC4300-CHAS-K9, ST-SMC2300-K9, ST-SMC2300-CHAS-K9, ST-DN6300-K9, ST-DN6300-CHAS-K9 | Firewall | 18 Dec 2026 | 31 Dec 2031 | OEM supported | |
| UCS M5 based hardware appliances for Secure Network Analytics (formerly Stealthwatch) Flow Collector, Fl ST-FS1210-K9, ST-FS1210-CHAS-K9, ST-FS3210-K9, ST-FS3210-CHAS-K9, ST-FS4240-K9, ST-FS4240-CHAS-K9, ST-FC4210-K9, ST-FC4210-CHAS-K9, ST-FC5210-K9, ST-FC5210E-CHAS-K9, ST-FC5210D-CHAS-K9, ST-SMC2210-K9 | Firewall | 09 Oct 2023 | 31 Oct 2028 | OEM supported | |
| UCS M4 based hardware appliances for: Stealthwatch Flow Collector, Flow Sensor, UDP Director, Management ST-10G-NIC-2FI, ST-10G-NIC-4FI, ST-1G-NIC-2FI, ST-1G-NIC-4CU, ST-CPU-E52609E, ST-CPU-E52650E, ST-CPU-E52680D, ST-CPU-E52680E, ST-CPU-E52695D, ST-CPU-E52695E, ST-FC-PCI-1B-240M4, ST-FC4200-CHAS-K9 | Firewall | 30 Jun 2019 | 30 Jun 2024 | Past EOSL | |
| Lancope Security Products CON-FC-NF-1000, CON-FC-NF-2000, CON-FC-NF-4000, CON-FR-1K-C, CON-FR-2K-C, CON-FR-2K-F, CON-FR-VE, CON-FS1K-3C, CON-FS2K3C, CON-FS4K-UPG, CON-ID-1000, L-LC-FR-VE-K9 | Firewall | 30 Sep 2015 | 30 Sep 2020 | Past EOSL | |
| One Stealthwatch C1-LC-100-5Y, C1-LC-25-1Y, C1-LC-25-1Y-D, C1-LC-25-3Y, C1-LC-25-5Y, C1-LC-5-5Y, C1-LC-50-3Y, C1-LC-50-5Y, C1-SWATCH-TRK-7Y, LC-DNAC1-TRK-1Y, LC-DNAC1-TRK-3Y, LC-DNAC1-TRK-5Y | Firewall | 01 May 2021 | 31 May 2024 | Past EOSL | |
| Lancope StealthWatch FC 5000, ID1100, and Related Products CON-FC-NF-5K, CON-FC5K-U, CON-ID-1100-VE, LC-FC-5000-NFU-K9D, LC-FC-5000-NFU-K9E, LC-FC-5010-NF-K9-D, LC-FC-5010-NF-K9-E, LC-FC-5010-NFU-K9D, LC-FC-5010-NFU-K9E, LC-FC-NF-5000-K9, LC-FC-NF5K-K9-D, LC-FC-NF5K-K9-E | Firewall | 28 Aug 2016 | 31 Jan 2022 | Past EOSL |