ISR4321-PR-3Y-20M
Announced in: Cisco Select 4300ISR
Chassis
· ISR 4000 series Series
Is the ISR4321-PR-3Y-20M still supported?
No. Cisco ended support for the Cisco Select 4300ISR on 2026-05-31. No further security fixes will be issued. See Cisco's lifecycle bulletin.
When does the ISR4321-PR-3Y-20M reach end of support?
Cisco support for the Cisco Select 4300ISR ends on 2026-05-31.
What replaces the ISR4321-PR-3Y-20M?
Cisco has not published a successor model for the Cisco Select 4300ISR.
ISR4321-PR-3Y-20M Lifecycle Overview
The Cisco ISR4321-PR-3Y-20M (ISR4321-PR-3Y-20M) is a chassis product in the Cisco ISR 4000 series series. This product has reached end of life as of , meaning Cisco no longer provides technical support, software updates, or hardware replacement for this product. It was last available for purchase on . Organizations still running the ISR4321-PR-3Y-20M should plan a migration .
Lifecycle Milestones
| Lifecycle notice published | 5y 7mo ago | |
|---|---|---|
| End of sale | 5y 1mo ago | |
| Last order date | 4y 10mo ago | |
| End of software maintenance | 4y 1mo ago | |
| End of failure analysis | 4y 1mo ago | |
| End of security vulnerability support | 2y 1mo ago | |
| Last date of support | 11 days ago |