Cisco 4000 – EOL / EOSL
Series Overview
- Brand
- Cisco
- Category
- Networking Accessories
- Series
- Cisco 4000
- Total Models
- 9
Lifecycle Notes
We summarize official Cisco EOL bulletins for quick planning. Use the milestones below to align maintenance windows and budget.
-
1
EOL — Announcement — plan upgrade in advance.
-
2
EOS — End of sale — confirm last order and stock.
-
3
EOSL — End of support — schedule replacement.
Always verify dates with official Cisco notices; minor revisions may occur.
Models in this Series
Showing 1–9
of 9 items
| Part Number | Product Name | EOL Announcement | EOS | EOSL |
|---|---|---|---|---|
| ISR4321-EN-3Y-100M | Cisco 4000 ISR4321-EN-3Y-100M | 2020-11-09 | 2021-05-10 | 2026-05-31 |
| ISR4321-EN-3Y-20M | Cisco 4000 ISR4321-EN-3Y-20M | 2020-11-09 | 2021-05-10 | 2026-05-31 |
| ISR4321-EN-3Y-50M | Cisco 4000 ISR4321-EN-3Y-50M | 2020-11-09 | 2021-05-10 | 2026-05-31 |
| ISR4321-PR-3Y-100M | Cisco 4000 ISR4321-PR-3Y-100M | 2020-11-09 | 2021-05-10 | 2026-05-31 |
| ISR4321-PR-3Y-20M | Cisco 4000 ISR4321-PR-3Y-20M | 2020-11-09 | 2021-05-10 | 2026-05-31 |
| ISR4321-PR-3Y-50M | Cisco 4000 ISR4321-PR-3Y-50M | 2020-11-09 | 2021-05-10 | 2026-05-31 |
| MEM-4300-2G= | Cisco 4000 MEM-4300-2G= | 2020-11-09 | 2021-05-10 | 2026-05-31 |
| SM-X-NIM-ADPTR | Cisco 4000 SM-X-NIM-ADPTR | 2024-07-22 | 2025-01-20 | 2030-01-31 |
| SM-X-NIM-ADPTR= | Cisco 4000 SM-X-NIM-ADPTR= | 2024-07-22 | 2025-01-20 | 2030-01-31 |