Cisco 4000 Integrated Services Router – EOL / EOSL
Series Overview
- Brand
- Cisco
- Category
- Networking Accessories
- Series
- Cisco 4000 Integrated Services Router
- Total Models
- 4
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 1–4
of 4 items
| Part Number | Product Name | EOL Announcement | EOS | EOSL |
|---|---|---|---|---|
| SI-ISR4351-IWAN/K9 | Cisco 4000 Integrated Services Router SI-ISR4351-IWAN/K9 | 2019-10-30 | 2020-04-29 | 2025-04-30 |
| SI-ISR4431-IWAN/K9 | Cisco 4000 Integrated Services Router SI-ISR4431-IWAN/K9 | 2019-10-30 | 2020-04-29 | 2025-04-30 |
| SI-ISR4451-IWAN/K9 | Cisco 4000 Integrated Services Router SI-ISR4451-IWAN/K9 | 2019-10-30 | 2020-04-29 | 2025-04-30 |
| SI-ISR4K-IWAN/K9 | Cisco 4000 Integrated Services Router SI-ISR4K-IWAN/K9 | 2019-10-30 | 2020-04-29 | 2025-04-30 |