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 Cisco Catalyst 9400 Series chassis features

1 Slots 2 and 3 are reserved for supervisor engines only in Cisco Catalyst C9404R; slots 1 and 4 are reserved for line cards.
2 Slots 3 and 4 are reserved for supervisor engines only in Cisco Catalyst C9407R; slots 1-2 and 5-7 are reserved for line cards.
3 Slots 5 and 6 are reserved for supervisor engines only in Cisco Catalyst C9410R; slots 1-4 and 7-10 are reserved for line cards.
4 Linecards are not supported in the Supervisor slots.
5 Max PoE mentioned is as per the current shipping linecard, however chassis is capable ~4800W PoE per slot.
6 80Gbps per line-card slot when used with C9400-SUP-1 and 240Gbps per line-card slot when used with C9400-SUP-1XL, C9400-SUP-1XL-Y.
7 80Gbps per line-card slot when used with C9400-SUP-1 and 120Gbps per line-card slot when used with C9400-SUP-1XL, C9400-SUP-1XL-Y.
8 80Gbps per line-card slot when used with C9400-SUP-1 and 80Gbps per line-card slot when used with C9400-SUP-1XL, C9400-SUP-1XL-Y.
Supervisor configuration
The Catalyst 9400 Series offers an industry-leading supervisor engine built for secure networks, IoT applications, next generation mobility and cloud adoption. Supervisor Engine-1 options (Sup-1, Sup-1XL, Sup-1XL-Y) are built with the latest Unified Access Dataplane 2.0 (UADP2.0) ASIC future-proofed for next generation technologies with its programmable pipeline, microengine capabilities and template-based configurable allocation of Layer 2, Layer 3, forwarding, Access Control Lists (ACLs) and QoS entries.

 Cisco Catalyst 9400 Series Supervisor Engine maximum bandwidth per slot