C9400‑SUP‑1XL‑Y/2 Specifications
Cisco Catalyst 9400 Series Redundant Supervisor Engine (1XL‑Y, 25 G)
Manufacturer: Cisco
Manufacturer Model: C9400‑SUP‑1XL‑Y/2
Product Line: Catalyst 9400 Series
Product Series: Supervisor Engine 1XL‑Y (Redundant, 25 G)
Product Type: Supervisor / Control Processor Module
Product Name: Cisco Catalyst 9400 Series Redundant Supervisor 1XL‑Y (25 G)
KEY FEATURES:
Redundant supervisor engine for high availability (1+1)
UADP 2.0 ASIC for advanced forwarding, QoS, and ACL templates
25 Gb/s uplink support (non‑blocking)
Intel x86 CPU for container-based app hosting / microservices
Local M.2 SATA SSD support (up to 960 GB) for storage on the supervisor module
Supports NSF / SSO (Nonstop Forwarding / Stateful Switchover) for supervisor redundancy
PERFORMANCE:
Centralized wired capacity: ~1.44 Tbps
Per-slot switching capacity (in 9400 chassis): up to 240 Gbps for certain line card configurations
Total MAC addresses: up to ~64,000
IPv4 routing (ARP + learned): up to ~144,000 routes
Flexible NetFlow (FNF) entries: up to ~384,000 v4 / 192,000 v6
ENVIRONMENTAL & RELIABILITY:
Operating temperature: –5°C to +45°C
Storage temperature: –40°C to +70°C
Relative humidity: 10% to 95% non-condensing
MTBF: ~302,000 hours
PHYSICAL:
Dimensions (H × W × D): ~4.06 cm × 37.90 cm × 37.00 cm (~1.6 in × 14.92 in × 14.57 in)
Weight: ~4.5 kg (~10 lb)
COMPATIBILITY:
Supported in Cisco Catalyst 9400 chassis (e.g., C9404R, C9407R, C9410R) with supervisor slot redundancy
Requires Cisco IOS XE software (minimum version required per Cisco hardware guide) for full redundancy support
Listed for end-of-life in Cisco’s EOL announcement

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