Milestone dates
The dates Juniper published, with Juniper's own wording under each milestone.
| Milestone | Date |
|---|---|
| End of saleJuniper: Last Order | |
| End of hardware repairJuniper: End of Hardware Failure Analysis | |
| End of software maintenanceJuniper: End of Engineering | |
| Last date of supportJuniper: End of Support |
Affected part numbers
15 part numbers are covered.
| Part number |
|---|
| EX4300-32F |
| EX4300-32F-DC |
| EX4300-32F-DC-TAA |
| EX4300-32F-S |
| EX4300-32F-TAA |
| EX4300-FAN |
| EX4300-FAN-AFI |
| EX4300-UM-BLNK |
| JPSU-350-AC-AFI |
| JPSU-350-AC-AFO |
| JPSU-550-DC-AFO |
| EX-UM-2QSFP |
| EX-UM-8X8SFP |
| EX4300-32F-EFL |
| JPSU-550-DC-AFI |
Upgrade path
Juniper does not name a replacement part number in this announcement. Browse current Juniper products, or send your existing part numbers with a quote request and we will propose a new current model.
Source
Juniper: End of Life Announcement: EX4300-32F Product. Retrieved 25 October 2026. Manufacturers sometimes revise these dates; check the source for the exact part number you run.