Q
What is the Cisco Catalyst 9400 Series switch?
A
The Cisco Catalyst 9400 Series is a modular, fixed-configuration access switch designed for enterprise campus networks, delivering high performance, advanced security, and Cisco IOS XE programmability.
Q
Which deployment scenarios suit Catalyst 9400 switches?
A
Catalyst 9400 switches are ideal for enterprise campus access, branch aggregation, and digital building use cases that demand high port density, PoE+ power, and advanced security.
Q
What models are available in the Catalyst 9400 Series?
A
Key models include C9400-24T (24 x1G), C9400-48T (48 x1G), C9400-48P (48 x1G PoE+), C9400-40X (40 x10G), and C9400-LC line card options for higher port counts.
Q
How many ports and throughput do Catalyst 9400 switches support?
A
Depending on the configuration, a single chassis supports up to 384 1G ports or 256 10G ports with up to 9 Tbps switching capacity per system.
Q
What stacking technology does the Catalyst 9400 offer?
A
Catalyst 9400 switches use Cisco StackWise-480 or StackWise Virtual, enabling up to 8 members and 480 Gbps stacking bandwidth for seamless management and resiliency.
Q
Which PoE and power budgets are supported?
A
Catalyst 9400 supports PoE+ (up to 30 W per port), UPOE (up to 60 W per port), and UPOE+ (up to 90 W per port) with total budgets up to 1440 W per power shelf.
Q
What operating system runs on the Catalyst 9400?
A
The Catalyst 9400 runs Cisco IOS XE, delivering a modular, Linux-based OS that supports advanced programmability, automation, and secure segmentation.
Q
How do Catalyst 9400 switches ensure high availability?
A
They provide redundant supervisor engines, hot-swappable power and fan trays, and nonstop forwarding with Stateful Switchover to minimize network downtime.
Q
What security features are integrated in the Catalyst 9400?
A
Built-in security includes Trustworthy Solutions hardware, MACsec encryption, Secure Boot, 802.1X, Cisco Identity Services Engine (ISE) integration, and dynamic segmentation.
Q
How are Catalyst 9400 switches managed and automated?
A
They integrate with Cisco DNA Center for policy-based automation, offer Zero Touch Provisioning, and support RESTCONF, NETCONF, and streaming telemetry for programmability.
Q
What licensing options are available for the Catalyst 9400?
A
Available licenses include Network Essentials and Network Advantage for IOS XE, plus DNA Essentials and DNA Advantage for software-defined access, each with term-based entitlements.
Q
Can I migrate from Cisco Catalyst 6500 to 9400 switches?
A
Yes, the Catalyst 9400 Series is a drop-in replacement for Catalyst 6500 in access roles, offering simplified operations, lower power, and reduced footprint.
Q
What cooling features do Catalyst 9400 switches include?
A
They employ front-to-back, variable-speed fans and efficient airflow design to optimize thermal management and support high-density deployments.
Q
What is the expected total cost of ownership (TCO) benefit?
A
Organizations can achieve up to 40% lower TCO through simplified management, reduced cabling, energy-efficient components, and integrated security services.
Q
Which certifications and compliance standards do Catalyst 9400 switches meet?
A
They are certified for IEEE 802.3 Ethernet, 802.1X, MACsec, RoHS, and UL/CE safety, ensuring global compliance for enterprise deployments.
Q
Where can customers purchase Cisco Catalyst 9400 switches?
A
Customers can buy Catalyst 9400 switches through authorized Cisco partners, resellers, or directly from Cisco’s online store with global shipping options.