Cisco C9500-40X-M Full English Product Description

Product Overview

The Cisco Catalyst C9500-40X-M is a 1RU high-density modular aggregation/core switch powered by Cisco UADP 3.0 ASIC and IOS XE, equipped with DNA Essentials Subscription (M tier) bundled Network Essentials base license. It delivers 40× wire-speed 1/10G SFP/SFP+ downlink ports plus an empty modular uplink slot for flexible uplink expansion via hot-swappable network modules. Designed for mid-market campus aggregation, medium data center leaf fabrics and multi-site branch core networks, it integrates built-in DNA Center automation, basic routing/security and StackWise-480 stacking with cost-effective subscription-based digital networking capabilitiesCisco.

Port & Modular Configuration

Front panel fixed ports: 40× non-blocking 1/10G SFP/SFP+ optical ports, compatible with copper SFP transceivers, 10G fiber modules
1 empty modular uplink slot (supports C9500-NM-8X, C9500-NM-2Q uplink modules for 8×10G or 2×40G uplink expansion)
Out-of-band management interfaces: RJ45 console, Mini-USB console, USB Type-A, dedicated 1G out-of-band management port
Fully modular uplink design enables flexible upgrade from 10G to 40G uplinks without replacing the whole chassis

Core Hardware Specifications

Switching Capacity: 960 Gbps full-duplex non-blocking
Forwarding Rate: 720 Mpps wire-speed packet forwarding
Form Factor: 1U rack-mount, front-to-back airflow
Compute & Storage: Multi-core x86 CPU, 16 GB DDR4 DRAM, 16 GB SSD flash, large shared deep packet buffer for burst traffic absorption
Stacking: StackWise-480 stacking (480 Gbps bandwidth), supports up to 8 switches per logical stack; compatible with StackWise Virtual dual-box redundancy
Power & Cooling: Dual hot-swappable 950W platinum high-efficiency AC power supply slots; N+1 redundant field-replaceable fan trays
Environmental: Operating temperature 0°C–40°C; storage -20°C–65°C; humidity 5%–90% non-condensing
Reliability: MTBF up to 277,310 hours

Scalability Table Capacities

MAC Address Table: 64,000 entries
IPv4 Routes: 64,000 indirect routes + 32,000 host routes
IPv6 Routes: 32,000 indirect routes + 16,000 host routes
Combined IPv4/IPv6 Multicast Routes: 48,000
Hardware-Accelerated Security ACLs: 18,000 entries
Hardware-Accelerated QoS ACLs: 18,000 entries
Flexible NetFlow Records: Up to 512,000
VLAN Support: 4,094 VLAN IDs; full SVI Layer 3 inter-VLAN routing
Jumbo Frame Support: Up to 9198 bytes

Software License Package (M = DNA Essentials Subscription + Network Essentials)

1. Base Network Essentials Permanent Feature Set

Layer 2 & Basic Layer 3 Routing

Complete Layer 2 suite: STP/RSTP/MSTP, LACP, Q-in-Q private VLAN, SPAN/RSPAN

Core dynamic routing: Static routing, RIP, single-area OSPF, EIGRP stub, HSRP, VRRP

Dual-stack IPv4/IPv6 wire-speed forwarding, basic static NAT/PAT

Foundational Hardware Security

Secure boot, Trust Anchor Module, image signature verification

802.1X port authentication, 128-bit MACsec port encryption, CoPP control plane policing

Standard ACL filtering, zero-touch provisioning (ZTP), baseline threat traffic control

High Availability

SSO/NSF graceful restart, cross-stack LACP, ISSU hitless stacking upgrade

Hot-swappable redundant power supplies and fans

QoS & Multicast

Hierarchical QoS, traffic policing/shaping, WRED congestion control

PIM-SM/SSM multicast for IPTV and video streaming

2. Bundled DNA Essentials Subscription (M Tier Exclusive Add-ons)

Full Catalyst Center (DNA Center) integration for zero-touch deployment, network assurance, device lifecycle management
Limited application telemetry, basic ThousandEyes visibility for on-premises application monitoring
ISE base endpoint policy integration (10 built-in ISE endpoint licenses)
Network analytics, firmware compliance automation, simplified software image management
Subscription-based license portability across Catalyst 9000 hardware within the same series

Key Limitations vs C9500-40X-A (Network Advantage)

No full BGP, multi-area OSPF, full EIGRP, IS-IS, MPLS L2/L3 VPN, MVPN
No VRF-lite multi-tenancy, policy-based routing (PBR), LISP, VXLAN EVPN fabric
No Cisco TrustSec SGT micro-segmentation, full SD-Access fabric architecture
Missing 256-bit MACsec encryption, advanced ERSPAN telemetry and container hosting functions

Typical Deployment Scenarios

Mid-size enterprise campus aggregation with modular uplink expansion demands
Small data center leaf layer with flexible 10G/40G uplink upgrade path
Multi-branch core aggregation requiring DNA Center unified lifecycle automation
Cost-controlled campus networks needing subscription-based network assurance without full SD-Access
Mixed 10G downlink aggregation scenarios with future high-speed uplink upgrade plans

Short Catalog Version (For BOM & Quotation)

Cisco C9500-40X-M Catalyst 9500 40-Port 1/10G SFP/SFP+ Modular Switch, DNA Essentials Subscription + Network Essentials License

1RU modular core/aggregation switch with 40×1/10G SFP/SFP+ fixed ports, one empty uplink module slot for 10G/40G expansion, UADP 3.0 ASIC, 960Gbps switching capacity, StackWise-480 stacking, dual redundant platinum AC power supplies, bundled DNA Essentials subscription and permanent Network Essentials IOS XE license, basic Layer 2/3 routing, foundational MACsec security and full Catalyst Center automation, ideal for scalable mid-market campus and small data center aggregation deployments.


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