Milestone dates
The dates Cisco published, with Cisco's own wording under each milestone.
| Milestone | Date |
|---|---|
| End of saleCisco: End-of-Sale Date: HW | |
| Last ship dateCisco: Last Ship Date: HW | |
| End of software maintenanceCisco: End of SW Maintenance Releases Date: HW | |
| End of security fixesCisco: End of Vulnerability/Security Support: HW | |
| Last date of supportCisco: Last Date of Support: HW |
Affected part numbers
28 part numbers are covered.
| Part number | Description |
|---|---|
| CBS350-16FP-2G-IN | CBS350 Managed 16-port GE, Full PoE, 2x1G SFP |
| CBS350-16P-2G-IN | CBS350 Managed 16-port GE, PoE, 2x1G SFP |
| CBS350-16P-E-2G-IN | CBS350 Managed 16-port GE, PoE, Ext PS, 2x1G SFP |
| CBS350-16T-2G-IN | CBS350 Managed 16-port GE, 2x1G SFP |
| CBS350-16T-E-2G-IN | CBS350 Managed 16-port GE, Ext PS, 2x1G SFP |
| CBS350-16XTS-IN | Cisco Business 350-16XTS Managed Switch |
| CBS350-24FP-4G-IN | CBS350 Managed 24-port GE, Full PoE, 4x1G SFP |
| CBS350-24FP-4X-IN | CBS350 Managed 24-port GE, Full PoE, 4x10G SFP+ |
| CBS350-24MGP-4X-IN | CBS350 Managed 4-port 2.5GE, 20-port GE, PoE, 4x10G SFP+ |
| CBS350-24NGP-4X-IN | CBS350 Managed 8-port 5GE, 16-port GE, PoE, 4x10G SFP+ |
| CBS350-24P-4G-IN | CBS350 Managed 24-port GE, PoE, 4x1G SFP |
| CBS350-24P-4X-IN | CBS350 Managed 24-port GE, PoE, 4x10G SFP+ |
| CBS350-24T-4G-IN | CBS350 Managed 24-port GE, 4x1G SFP |
| CBS350-24T-4X-IN | CBS350 Managed 24-port GE, 4x10G SFP+ |
| CBS350-24XT-IN | CBS350 Managed 24-port 10GE, 4x10G SFP+ Shared |
| CBS350-48FP-4G-IN | CBS350 Managed 48-port GE, Full PoE, 4x1G SFP |
| CBS350-48FP-4X-IN | CBS350 Managed 48-port GE, Full PoE, 4x10G SFP+ |
| CBS350-48P-4G-IN | CBS350 Managed 48-port GE, PoE, 4x1G SFP |
| CBS350-48P-4X-IN | CBS350 Managed 48-port GE, PoE, 4x10G SFP+ |
| CBS350-48T-4G-IN | CBS350 Managed 48-port GE, 4x1G SFP |
| CBS350-48T-4X-IN | CBS350 Managed 48-port GE, 4x10G SFP+ |
| CBS350-8FP-2G-IN | CBS350 Managed 8-port GE, Full PoE, 2x1G Combo |
| CBS350-8FP-E-2G-IN | CBS350 Managed 8-port GE, Full PoE, Ext PS, 2x1G Combo |
| CBS350-8MGP-2X-IN | CBS350 Managed 2-port 2.5GE, 6-port GE, PoE, 2x10G combo |
| CBS350-8MP-2X-IN | CBS350 Managed 8-port 2.5GE, PoE, 2x10G combo |
| CBS350-8P-2G-IN | CBS350 Managed 8-port GE, PoE, 2x1G Combo |
| CBS350-8P-E-2G-IN | CBS350 Managed 8-port GE, PoE, Ext PS, 2x1G Combo |
| CBS350-8T-E-2G-IN | CBS350 Managed 8-port GE, Ext PS, 2x1G Combo |
Upgrade path
Cisco does not name a replacement part number in this announcement. Browse current Cisco products, or send your existing part numbers with a quote request and we will propose a new current model.
Source
Cisco: End-of-Sale and End-of-Life Announcement for the Cisco Business 350 (CBS350) Series Managed Switches (Select Models). Retrieved 25 October 2026. Manufacturers sometimes revise these dates; check the source for the exact part number you run.