CRS-3 Back to Back System
CRS-16-B2B-BUNDLE
· carrier routing system Series
Is the CRS-3 Back to Back System still supported?
No. Cisco ended support for the CRS-3 Back to Back System on 2026-08-31. No further security fixes will be issued. See Cisco's lifecycle bulletin.
When does the CRS-3 Back to Back System reach end of support?
Cisco support for the CRS-3 Back to Back System ends on 2026-08-31.
What replaces the CRS-3 Back to Back System?
Cisco has not published a successor model for the CRS-3 Back to Back System.
CRS-3 Back to Back System Lifecycle Overview
The Cisco CRS-3 Back to Back System (CRS-16-B2B-BUNDLE) is a product in the Cisco carrier routing system 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 CRS-3 Back to Back System should plan a migration .
Lifecycle Milestones
| Lifecycle notice published | 5y 8mo ago | |
|---|---|---|
| End of sale | 5y 2mo ago | |
| Last order date | 4y 11mo ago | |
| End of software maintenance | 4y 2mo ago | |
| End of failure analysis | 4y 2mo ago | |
| End of security vulnerability support | 2y 2mo ago | |
| Last date of support | 1mo ago |
CRS-3 Back to Back System