# Cisco Catalyst 9000 Series: how AI models rank it, October 2026

IT AI Recommendation Index, October 2026 Edition. Named in 1 judge labels across 1 categories by 1 of 14 models. Page: https://it-ai-index.com/vendors/cisco-catalyst-9000-series/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Data center networking | 0% | 129 | 100% | 1 |

## And against it

- "Unstable stacking behavior — "Code upgrades require truck rolls about 5% of the time as it mysteriously bricks a switch"" (DeepSeek V4 Flash, Data center networking)

## Record

- Method: https://it-ai-index.com/methodology/
- Raw judge labels and full responses: https://it-ai-index.com/data/
- License: CC BY 4.0. Cite as IT AI Recommendation Index, October 2026 Edition, it-ai-index.com.