Cisco announces the end-of-sale and end-of-life dates for the Cisco Catalyst 3850 switches. The last day to order the affected product(s) is October 30, 2020. Customers with active service contracts will continue to receive support from the Cisco Technical Assistance Center (TAC) as shown in Table 1 of the EoL bulletin. Table 1 describes the end-of-life milestones, definitions, and dates for the affected product(s). Table 2 lists the product part numbers affected by this announcement. For customers with active and paid service and support contracts, support will be available under the terms and conditions of customers' service contract.
End-of-life milestones
End-of-life milestones and dates for the Cisco Catalyst 3850 switches
Milestone |
Definition |
Date |
End-of-Life Announcement Date |
The date the document that announces the end-of-sale and end-of-life of a product is distributed to the general public. |
October 31, 2019 |
End-of-Sale Date: |
The last date to order the product through Cisco point-of-sale mechanisms. The product is no longer for sale after this date. |
October 30, 2020 |
Last Ship Date: |
The last-possible ship date that can be requested of Cisco and/or its contract manufacturers. Actual ship date is dependent on lead time. |
January 29, 2021 |
End of SW Maintenance Releases Date: |
The last date that Cisco Engineering may release any final software maintenance releases or bug fixes. After this date, Cisco Engineering will no longer develop, repair, maintain, or test the product software. |
October 30, 2021 |
End of Vulnerability/Security Support : |
The last date that Cisco Engineering may release a planned maintenance release or scheduled software remedy for a security vulnerability issue. |
October 30, 2023 |
End of Routine Failure Analysis Date: |
The last-possible date a routine failure analysis may be performed to determine the cause of hardware product failure or defect. |
October 30, 2021 |
End of New Service Attachment Date: |
For equipment and software that is not covered by a service-and-support contract, this is the last date to order a new service-and-support contract or add the equipment and/or software to an existing service-and-support contract. |
October 30, 2021 |
End of Service Contract Renewal Date: |
The last date to extend or renew a service contract for the product. |
January 28, 2025 |
Last Date of Support : |
The last date to receive applicable service and support for the product as entitled by active service contracts or by warranty terms and conditions. After this date, all support services for the product are unavailable, and the product becomes obsolete. |
October 31, 2025 |
Product part numbers
Table 2. Product part numbers affected by this announcement
End-of-Sale Product Part Number |
Product Description |
Replacement Product Part Number |
Replacement Product Description |
Additional Information |
C1-WS3850-24P/K9 |
Cisco One Catalyst 3850 24 Port PoE |
C9300-24P-A |
Catalyst 9300 24-port PoE+, Network Advantage |
- |
C1-WS3850-24T/K9 |
Cisco One Catalyst 3850 24 Port Data |
C9300-24T-A |
Catalyst 9300 24-port data only, Network Advantage |
- |
C1-WS3850-24U/K9 |
Cisco One Catalyst 3850 24 Port UPoE |
C9300-24U-A |
Catalyst 9300 24-port UPOE, Network Advantage |
- |
C1-WS3850-48F/K9 |
Cisco One Catalyst 3850 48 Port Full PoE |
C9300-48P-A |
Catalyst 9300 48-port PoE+, Network Advantage |
- |
C1-WS3850-48P/K9 |
Cisco One Catalyst 3850 48 Port PoE |
C9300-48P-A |
Catalyst 9300 48-port PoE+, Network Advantage |
- |
C1-WS3850-48T/K9 |
Cisco One Catalyst 3850 48 Port Data |
C9300-48T-A |
Catalyst 9300 48-port data only, Network Advantage |
- |
C1-WS3850-48U/K9 |
Cisco One Catalyst 3850 48 Port UPoE |
C9300-48U-A |
Catalyst 9300 48-port UPOE, Network Advantage |
- |
C1-WSC3850-12X48UL |
Cisco ONE Catalyst 3850 48Port (12mGig+36Gig) UPoE LAN Base |
C9300-48UXM-A |
Catalyst 9300 48-port (12 mGig & 36 2.5Gbps) Network Advantage |
- |
C1-WSC3850-24XUL |
Cisco ONE Catalyst 3850 24 mGig Port UPoE LAN Base |
C9300-24UX-A |
Catalyst 9300 24-port mGig and UPOE, Network Advantage |
- |
CDB-3850-24U-L |
Cisco Digital Building Catalyst 3850 24 Port UPOE Bundle |
C9300-24U-E |
Catalyst 9300 24-port UPOE, Network Essentials |
- |
CDB-3850-24U-L |
Cisco Digital Building Catalyst 3850 24 Port UPOE Bundle |
CDB-8U |
Catalyst Digital Building 8 Port UPoE |
- |
CDB-3850-48U-L |
Cisco Digital Building Catalyst 3850 48 Port UPOE Bundle |
C9300-48U-E |
Catalyst 9300 48-port UPOE, Network Essentials |
- |
CDB-3850-48U-L |
Cisco Digital Building Catalyst 3850 48 Port UPOE Bundle |
CDB-8U |
Catalyst Digital Building 8 Port UPoE |
- |
EDU-C3850-24P-L |
Cisco Catalyst 3850 24 Port PoE LAN Base K12 |
C9300-24P-EDU |
Catalyst 9300 24-port PoE+, K12 |
- |
EDU-C3850-24P-S |
Cisco Catalyst 3850 24 Port PoE IP Base K12 |
C9300-24P-EDU |
Catalyst 9300 24-port PoE+, K12 |
- |
EDU-C3850-24U-L |
Cisco Catalyst 3850 24 Port UPOE LAN Base K12 |
C9300-24U-EDU |
Catalyst 9300 24-port UPOE, K12 |
- |
EDU-C3850-48F-L |
Cisco Catalyst 3850 48 Port Full PoE LAN Base K12 |
C9300-48P-EDU |
Catalyst 9300 48-port PoE+, K12 |
- |
EDU-C3850-48F-S |
Cisco Catalyst 3850 48 Port Full PoE IP Base for K12 |
C9300-48P-EDU |
Catalyst 9300 48-port PoE+, K12 |
- |
EDU-C3850-48P-L |
Cisco Catalyst 3850 48 Port PoE LAN Base K12 |
C9300-48P-EDU |
Catalyst 9300 48-port PoE+, K12 |
- |
EDU-C3850-48P-S |
Cisco Catalyst 3850 48 Port Full PoE IP Base for K12 |
C9300-48P-EDU |
Catalyst 9300 48-port PoE+, K12 |
- |
EDU-C3850-48PW-S |
Cisco Catalyst 3850 48 Port Full PoE w/ 5 AP license IPB K12 |
C9300-48P-EDU |
Catalyst 9300 48-port PoE+, K12 |
- |
EDU-C3850-48U-L |
Cisco Catalyst 3850 48 Port UPOE LAN Base for K12 |
C9300-48U-EDU |
Catalyst 9300 48-port UPOE, K12 |
- |
EDU-C3850-48U-S |
Cisco Catalyst 3850 48 Port UPOE IP Base for K12 |
C9300-48U-EDU |
Catalyst 9300 48-port UPOE, K12 |
- |
WS-C3850-12X48U-E |
Cisco Catalyst 3850 48 Port (12 mGig+36 Gig) UPoE IPServices |
C9300-48UXM-A |
Catalyst 9300 48-port (12 mGig & 36 2.5Gbps) Network Advantage |
- |
WS-C3850-12X48U-EJ |
Cisco Catalyst 3850 48 Port (12 mGig+36 Gig) UPoE IPS-Japan |
C9300-48UXM-A |
Catalyst 9300 48-port (12 mGig & 36 2.5Gbps) Network Advantage |
- |
WS-C3850-12X48U-L |
Cisco Catalyst 3850 48 Port (12 mGig+36 Gig) UPoE LAN Base |
C9300-48UXM-E |
Catalyst 9300 48-port (12 mGig & 36 2.5Gbps) Network Essentials |
- |
WS-C3850-12X48U-LJ |
Cisco Catalyst 3850 48 Port (12 mGig+36 Gig) UPoE LB-Japan |
C9300-48UXM-E |
Catalyst 9300 48-port (12 mGig & 36 2.5Gbps) Network Essentials |
- |
WS-C3850-12X48U-S |
Cisco Catalyst 3850 48 Port (12 mGig+36 Gig) UPoE IP Base |
C9300-48UXM-A |
Catalyst 9300 48-port (12 mGig & 36 2.5Gbps) Network Advantage |
- |
WS-C3850-12X48U-SJ |
Cisco Catalyst 3850 48 Port (12 mGig+36 Gig) UPoE IPB-Japan |
C9300-48UXM-A |
Catalyst 9300 48-port (12 mGig & 36 2.5Gbps) Network Advantage |
- |
WS-C3850-12X48UW-S |
Cisco Catalyst 3850 48 port (12 mGig) UPOE IPB with 5 AP Lic |
C9300-48UXM-A |
Catalyst 9300 48-port (12 mGig & 36 2.5Gbps) Network Advantage |
- |
WS-C3850-24P-BA |
Cisco Catalyst 3850 24 Port PoE IP Services |
C9300-24P-A |
Catalyst 9300 24-port PoE+, Network Advantage |
- |
WS-C3850-24P-E |
Cisco Catalyst 3850 24 Port PoE IP Services |
C9300-24P-A |
Catalyst 9300 24-port PoE+, Network Advantage |
- |
WS-C3850-24P-E-BR |
Cisco Catalyst 3850 24 Port PoE IP Services |
C9300-24P-A-BR |
Catalyst 9300 24-port PoE+, Network Advantage |
- |
WS-C3850-24P-L |
Cisco Catalyst 3850 24 Port PoE LAN Base |
C9300-24P-E |
Catalyst 9300 24-port PoE+, Network Essentials |
- |
WS-C3850-24P-L-BR |
Cisco Catalyst 3850 24 Port PoE LAN Base |
C9300-24P-E-BR |
Catalyst 9300 24-port PoE+, Network Essentials |
- |
WS-C3850-24P-S |
Cisco Catalyst 3850 24 Port PoE IP Base |
C9300-24P-A |
Catalyst 9300 24-port PoE+, Network Advantage |
- |
WS-C3850-24P-S-BR |
Cisco Catalyst 3850 24 Port PoE IP Base |
C9300-24P-A-BR |
Catalyst 9300 24-port PoE+, Network Advantage |
- |
WS-C3850-24PW-S |
Cisco Catalyst 3850 24 Port PoE with 5 AP license IP Base |
C9300-24P-A |
Catalyst 9300 24-port PoE+, Network Advantage |
- |
WS-C3850-24T-BA |
Cisco Catalyst 3850 24 Port Data IP Services |
C9300-24T-A |
Catalyst 9300 24-port data only, Network Advantage |
- |
WS-C3850-24T-E |
Cisco Catalyst 3850 24 Port Data IP Services |
C9300-24T-A |
Catalyst 9300 24-port data only, Network Advantage |
- |
WS-C3850-24T-E-BR |
Cisco Catalyst 3850 24 Port Data IP Services |
C9300-24T-A-BR |
Catalyst 9300 24-port data only, Network Advantage |
- |
WS-C3850-24T-L |
Cisco Catalyst 3850 24 Port Data LAN Base |
C9300-24T-E |
Catalyst 9300 24-port data only, Network Essentials |
- |
WS-C3850-24T-L-BR |
Cisco Catalyst 3850 24 Port Data LAN Base |
C9300-24T-E-BR |
Catalyst 9300 24-port data only, Network Essentials |
- |
WS-C3850-24T-S |
Cisco Catalyst 3850 24 Port Data IP Base |
C9300-24T-A |
Catalyst 9300 24-port data only, Network Advantage |
- |
WS-C3850-24T-S-BR |
Cisco Catalyst 3850 24 Port Data IP Base |
C9300-24T-A-BR |
Catalyst 9300 24-port data only, Network Advantage |
- |
WS-C3850-24U-E |
Cisco Catalyst 3850 24 Port UPOE IP Services |
C9300-24U-A |
Catalyst 9300 24-port UPOE, Network Advantage |
- |
WS-C3850-24U-L |
Cisco Catalyst 3850 24 Port UPOE LAN Base |
C9300-24U-E |
Catalyst 9300 24-port UPOE, Network Essentials |
- |
WS-C3850-24U-S |
Cisco Catalyst 3850 24 Port UPOE IP Base |
C9300-24U-A |
Catalyst 9300 24-port UPOE, Network Advantage |
- |
WS-C3850-24UW-S |
Cisco Catalyst 3850 24 Port UPOE with 5 AP licenses IP Base |
C9300-24U-A |
Catalyst 9300 24-port UPOE, Network Advantage |
- |
WS-C3850-24XU-E |
Cisco Catalyst 3850 24 mGig Port UPoE IP Services |
C9300-24U-A |
Catalyst 9300 24-port UPOE, Network Advantage |
- |
WS-C3850-24XU-EJ |
Cisco Catalyst 3850 24 mGig Port UPoE IP Services-Japan |
C9300-24U-A |
Catalyst 9300 24-port UPOE, Network Advantage |
- |
WS-C3850-24XU-L |
Cisco Catalyst 3850 24 mGig Port UPoE LAN Base |
C9300-24U-E |
Catalyst 9300 24-port UPOE, Network Essentials |
- |
WS-C3850-24XU-LJ |
Cisco Catalyst 3850 24 mGig Port UPoE LAN Base-Japan |
C9300-24U-E |
Catalyst 9300 24-port UPOE, Network Essentials |
- |
WS-C3850-24XU-S |
Cisco Catalyst 3850 24 mGig Port UPoE IP Base |
C9300-24U-A |
Catalyst 9300 24-port UPOE, Network Advantage |
- |
WS-C3850-24XU-SJ |
Cisco Catalyst 3850 24 mGig Port UPoE IP Base-Japan |
C9300-24U-A |
Catalyst 9300 24-port UPOE, Network Advantage |
- |
WS-C3850-24XUW-S |
Cisco Catalyst 3850 24 mGig Port UPOE IP Base 5 AP License |
C9300-24U-A |
Catalyst 9300 24-port UPOE, Network Advantage |
- |
WS-C3850-48F-BA |
Cisco Catalyst 3850 48 Port Full PoE IP Services |
C9300-48P-A |
Catalyst 9300 48-port PoE+, Network Advantage |
- |
WS-C3850-48F-E |
Cisco Catalyst 3850 48 Port Full PoE IP Services |
C9300-48P-A |
Catalyst 9300 48-port PoE+, Network Advantage |
- |
WS-C3850-48F-E-BR |
Cisco Catalyst 3850 48 Port Full PoE IP Services |
C9300-48P-A-BR |
Catalyst 9300 48-port PoE+, Network Advantage |
- |
WS-C3850-48F-L |
Cisco Catalyst 3850 48 Port Full PoE LAN Base |
C9300-48P-E |
Catalyst 9300 48-port PoE+, Network Essentials |
- |
WS-C3850-48F-L-BR |
Cisco Catalyst 3850 48 Port Full PoE LAN Base |
C9300-48P-E-BR |
Catalyst 9300 48-port PoE+, Network Essentials |
- |
WS-C3850-48F-S |
Cisco Catalyst 3850 48 Port Full PoE IP Base |
C9300-48P-A |
Catalyst 9300 48-port PoE+, Network Advantage |
- |
WS-C3850-48F-S-BR |
Cisco Catalyst 3850 48 Port Full PoE IP Base |
C9300-48P-A-BR |
Catalyst 9300 48-port PoE+, Network Advantage |
- |
WS-C3850-48P-E |
Cisco Catalyst 3850 48 Port PoE IP Services |
C9300-48P-A |
Catalyst 9300 48-port PoE+, Network Advantage |
- |
WS-C3850-48P-E-BR |
Cisco Catalyst 3850 48 Port PoE IP Services |
C9300-48P-A-BR |
Catalyst 9300 48-port PoE+, Network Advantage |
- |
WS-C3850-48P-L |
Cisco Catalyst 3850 48 Port PoE LAN Base |
C9300-48P-E |
Catalyst 9300 48-port PoE+, Network Essentials |
- |
WS-C3850-48P-L-BR |
Cisco Catalyst 3850 48 Port PoE LAN Base |
C9300-48P-E-BR |
Catalyst 9300 48-port PoE+, Network Essentials |
- |
WS-C3850-48P-S |
Cisco Catalyst 3850 48 Port PoE IP Base |
C9300-48P-A |
Catalyst 9300 48-port PoE+, Network Advantage |
- |
WS-C3850-48P-S-BR |
Cisco Catalyst 3850 48 Port PoE IP Base |
C9300-48P-A-BR |
Catalyst 9300 48-port PoE+, Network Advantage |
- |
WS-C3850-48PW-S |
Cisco Catalyst 3850 48 Port Full PoE w/ 5 AP license IP Base |
C9300-48P-A |
Catalyst 9300 48-port PoE+, Network Advantage |
- |
WS-C3850-48PW-SZ |
Cisco Catalyst 3850 48 Port Full PoE w/ 5 AP license IP Base |
C9300-48P-A |
Catalyst 9300 48-port PoE+, Network Advantage |
- |
WS-C3850-48T-BA |
Cisco Catalyst 3850 48 Port Data IP Services |
C9300-48T-A |
Catalyst 9300 48-port data only, Network Advantage |
- |
WS-C3850-48T-E |
Cisco Catalyst 3850 48 Port Data IP Services |
C9300-48T-A |
Catalyst 9300 48-port data only, Network Advantage |
- |
WS-C3850-48T-E-BR |
Cisco Catalyst 3850 48 Port Data IP Services |
C9300-48T-A-BR |
Catalyst 9300 48-port data only, Network Advantage |
- |
WS-C3850-48T-L |
Cisco Catalyst 3850 48 Port Data LAN Base |
C9300-48T-E |
Catalyst 9300 48-port data only, Network Essentials |
- |
WS-C3850-48T-L-BR |
Cisco Catalyst 3850 48 Port Data LAN Base |
C9300-48T-E-BR |
Catalyst 9300 48-port data only, Network Essentials |
- |
WS-C3850-48T-S |
Cisco Catalyst 3850 48 Port Data IP Base |
C9300-48T-A |
Catalyst 9300 48-port data only, Network Advantage |
- |
WS-C3850-48T-S-BR |
Cisco Catalyst 3850 48 Port Data IP Base |
C9300-48T-A-BR |
Catalyst 9300 48-port data only, Network Advantage |
- |
WS-C3850-48U-E |
Cisco Catalyst 3850 48 Port UPOE IP Services |
C9300-48U-A |
Catalyst 9300 48-port UPOE, Network Advantage |
- |
WS-C3850-48U-L |
Cisco Catalyst 3850 48 Port UPOE LAN Base |
C9300-48U-E |
Catalyst 9300 48-port UPOE, Network Essentials |
- |
WS-C3850-48U-S |
Cisco Catalyst 3850 48 Port UPOE IP Base |
C9300-48U-A |
Catalyst 9300 48-port UPOE, Network Advantage |
- |
WS-C3850-48UW-S |
Cisco Catalyst 3850 48 Port UPOE with 5 AP licenses IP Base |
C9300-48U-A |
Catalyst 9300 48-port UPOE, Network Advantage |
- |
WS-C3850-48W-S |
Cisco Catalyst 3850 48 Port PoE with 5 AP licenses IP Base |
C9300-48P-A |
Catalyst 9300 48-port PoE+, Network Advantage |
- |
WS-C3850R-24T-E |
Cisco Catalyst 3850 24 Port Data IP Services, Russia |
C9300-24T-A |
Catalyst 9300 24-port data only, Network Advantage |
- |
WS-C3850R-24T-L |
Cisco Catalyst 3850 24 Port Data LAN Base, Russia |
C9300-24T-E |
Catalyst 9300 24-port data only, Network Essentials |
- |
WS-C3850R-24T-S |
Cisco Catalyst 3850 24 Port Data IP Base, Russia |
C9300-24T-A |
Catalyst 9300 24-port data only, Network Advantage |
- |
WS-C3850R-48P-E |
Cisco Catalyst 3850 48 Port PoE IP Service, Russia |
C9300-48P-A |
Catalyst 9300 48-port PoE+, Network Advantage |
- |
WS-C3850R-48P-L |
Cisco Catalyst 3850 48 Port PoE LAN Base, Russia |
C9300-48P-E |
Catalyst 9300 48-port PoE+, Network Essentials |
- |
WS-C3850R-48P-S |
Cisco Catalyst 3850 48 Port PoE IP Base, Russia |
C9300-48P-A |
Catalyst 9300 48-port PoE+, Network Advantage |
- |
WS-C3850R-48T-E |
Cisco Catalyst 3850 48 Port Data IP Services, mfg in Russia |
C9300-48T-A |
Catalyst 9300 48-port data only, Network Advantage |
- |
WS-C3850R-48T-L |
Cisco Catalyst 3850 48 Port Data LAN Base, Russia |
C9300-48T-E |
Catalyst 9300 48-port data only, Network Essentials |
- |
WS-C3850R-48T-S |
Cisco Catalyst 3850 48 Port Data IP Base, Russia |
C9300-48T-A |
Catalyst 9300 48-port data only, Network Advantage |
- |
WS-C3850R-48U-E |
Cisco Catalyst 3850 48 Port UPOE IP Service, mfg in Russia |
C9300-48U-A |
Catalyst 9300 48-port UPOE, Network Advantage |
- |
WS-C3850R-48U-L |
Cisco Catalyst 3850 48 Port UPOE LAN Base, Russia |
C9300-48U-E |
Catalyst 9300 48-port UPOE, Network Essentials |
- |
WS-C3850R-48U-S |
Cisco Catalyst 3850 48 Port UPOE IP Base, Russia |
C9300-48U-A |
Catalyst 9300 48-port UPOE, Network Advantage |
- |
Customers may be able to use the Cisco Technology Migration Program (TMP) where applicable to trade-in eligible products and receive credit toward the purchase of new Cisco equipment. For more information about Cisco TMP, customers should work with their Cisco Partner or Cisco account team. Cisco Partners can find additional TMP information on Partner Central
Customers may be able to continue to purchase the Cisco Catalyst 3850 switches through the Cisco Certified Refurbished Equipment program. Refurbished units may be available in limited supply for sale in certain countries on a first-come, first-served basis until the Last Date of Support has been reached. For information about the Cisco Certified Refurbished Equipment program
Service prices for Cisco products are subject to change after the product End-of-Sale date.
The Cisco Takeback and Recycle program helps businesses properly dispose of surplus products that have reached their end of useful life. The program is open to all business users of Cisco equipment and its associated brands and subsidiaries. For more information