Milestone dates
The dates Cisco published, with Cisco's own wording under each milestone.
| Milestone | Date |
|---|---|
| End of saleCisco: End-of-Sale Date: HW,License | |
| Last ship dateCisco: Last Ship Date: HW,License | |
| 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 security fixesCisco: End of Vulnerability/Security Support: HW | |
| End of service contract renewalCisco: End of Service Contract Renewal Date: HW | |
| Last date of supportCisco: Last Date of Support: HW |
Affected part numbers
21 part numbers are covered.
| Part number | Description | Replacement named by Cisco |
|---|---|---|
| C921-4P | Cisco 900 Series Integrated Services Routers | C1121-4P |
| C921-4PATT | Cisco 900 Series Integrated Services Routers | C1121-4P |
| C921-4PLTEAS | C921-4P FDD and TDD LTE, ASEAN | C1121-4PLTEP |
| C921-4PLTEAU | Secure GE and SFP Router for Australia 4G LTE / HSPA+ | C1121-4PLTEP |
| C921-4PLTEGB | ISR 900 Router (non-US) 4G LTE / HSPA+ for EU | C1121-4PLTEP |
| C921J-4P | Cisco 900 Series Integrated Services Routers | C1121-4P |
| C921J-4PAS | Japan Only - C921J with SEC and APP Lic | C1121-4P |
| C921J-4PJS | ISR 900 Dual GE WAN Ethernet Router Japan Config | C1121-4P |
| C926-4P | Cisco 926 VDSL2/ADSL2+ over ISDN and 1GE Sec Router | C1116-4P, C1126-8PLTEP |
| C926-4PLTEGB | GE VDSL2/ADSL2+ over ISDN (non-US) 4G LTE / HSPA+ | C1126-8PLTEP |
| C927-4P | Cisco 927 VDSL2/ADSL2+ over POTs and 1GE/SFP Sec Router | C1117-4P, C1127-8PLTEP |
| C927-4PLTEAU | GE VDSL2/ADSL2+ over POTS ANZ 4G LTE / HSPA+ | C1127-8PLTEP |
| C927-4PLTEGB | GE VDSL2/ADSL2+ over POTS (non-US) 4G LTE / HSPA+ | C1127-8PLTEP |
| C927-4PM | Cisco 927 Annex M over POTs and 1GE Sec Router | C1117-4PM, C1127-8PLTEP |
| C927-4PMLTEGB | GE VDSL2/ADSL2+ Annex Mover POTS 4G LTE / HSPA+ | C1127-8PMLTEP |
| C931-4P | Cisco 900 Series Integrated Services Routers | C1121-4P |
| C931-4PATT | Cisco 900 Series Integrated Services Routers | C1121-4P |
| ACS-900-DM | ISR 900 Series Under Desk Mounting Kit | See the Product Migration Options section below for detailed information on replacing this product. |
| ACS-900-DM= | ISR 900 Series Under Desk Mounting Kit | See the Product Migration Options section below for detailed information on replacing this product. |
| ACS-900-RM-19 | 19 inch Rackmount Kit for ISR 900 Series Routers | See the Product Migration Options section below for detailed information on replacing this product. |
| ACS-900-RM-19= | 19 inch Rackmount Kit for ISR 900 Series Routers | See the Product Migration Options section below for detailed information on replacing this product. |
Upgrade path
Cisco names 8 replacement part numbers. We list 1 of them new; open a listing to check its specifications and price.
Source
Cisco: End-of-Sale and End-of-Life Announcement for the Cisco ISR 900 Series Routers, Licenses and Accessories. Retrieved 25 October 2026. Manufacturers sometimes revise these dates; check the source for the exact part number you run.