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 hardware repairCisco: End of Routine Failure Analysis Date: HW | |
| End of new service contractsCisco: End of New Service Attachment Date: HW | |
| End of service contract renewalCisco: End of Service Contract Renewal Date: HW | |
| End of security fixesCisco: End of Vulnerability/Security Support: HW | |
| Last date of supportCisco: Last Date of Support: HW |
Affected part numbers
5 part numbers are covered.
| Part number | Description | Replacement named by Cisco |
|---|---|---|
| C9400-LC-48UX | Cisco Catalyst 9400 Series 48Port UPOE w/ 24p mGig 24p RJ-45 | C9400-LC-48HN |
| C9400-LC-48UX= | Cisco Catalyst 9400 Series 48Port UPOE w/ 24p mGig 24p RJ-45 | C9400-LC-48HN= |
| C9400-LC-48UX++= | Cisco Catalyst 9400 Series 48Port UPOE w/ 24p mGig 24p RJ-45 | C9400-LC-48HN++= |
| C9400-LC-48UX-B | Catalyst 9400 2xC9400-LC-48UX BUNDLE PID ONLY-NOT ACTUAL HW | C9400-LC-48HN |
| C9400-LC-48UX-B1 | Catalyst 9400 1xC9400-LC-48UX BUNDLE PID ONLY-NOT ACTUAL HW | C9400-LC-48HN |
Upgrade path
Cisco names 3 replacement part numbers. None of them is in our catalogue yet; send the part numbers with a quote request and we will source them new.
Source
Cisco: End-of-Sale and End-of-Life Announcement for the Cisco Catalyst 9400 Series 48Port UPOE w/ 24p mGig 24p RJ-45. Retrieved 25 October 2026. Manufacturers sometimes revise these dates; check the source for the exact part number you run.