Q1: What is the primary difference between the Network Advantage and Network Essentials licenses?
A: Network Advantage unlocks full enterprise-grade Layer 3 features, including advanced routing protocols like EIGRP, IS-IS, and HSRP, as well as sophisticated segmentation tools like VRF, VXLAN, and LISP. It is required for full SD-Access automation and provides optimized traffic visibility via NBAR2. Essentials is limited to basic L2/L3 access and OSPF Routed Access (limited to 1,000 routes).
Q2: Can the C9200L-48P-4X-A provide full 30W PoE+ power to all 48 ports simultaneously?
A: With the default single 1KW PSU (PWR-C5-1KWAC), the switch provides a 740W PoE budget, enough for 24 ports at full PoE+ (30W). To achieve 30W across all 48 ports simultaneously (requiring 1440W), you must install a second identical PSU.
Q3: Does the C9200L series support Cisco StackPower?
A: No. StackPower, which allows power sharing across multiple switches, is only available on modular Catalyst 9200 or 9300 series models. The C9200L series achieves redundancy through dual field-replaceable power supplies within a single chassis.
Q4: What are the benefits of StackWise-80 technology in this model?
A: StackWise-80 allows you to stack up to 8 switches into a single logical unit with 80 Gbps of stacking bandwidth. It simplifies management via a single IP address and ensures high network availability with sub-50ms stateful failover.
Q5: How many Virtual Networks (VNs) are supported for SD-Access?
A: The Catalyst 9200L fixed series is limited to 1 Virtual Network when used in an SD-Access environment. For deployments requiring higher scale multi-tenancy (up to 32 VNs), you should consider the modular C9200 series.
Q6: Can I stack an Advantage-licensed switch with an Essentials-licensed switch?
A: No. All members of a StackWise-80 stack must operate with the identical license level (e.g., all must be Network Advantage or all Network Essentials) to maintain stack stability and feature consistency.
Q7: Are the 10G uplink ports dual-rate, and do they support 1G SFP modules?
A: Yes. The four fixed SFP+ uplink ports are dual-rate, supporting both 1G SFP and 10G SFP+ modules. This provides investment protection by allowing you to use existing 1G fiber and upgrade to 10G when needed.
Q8: Does this model support hardware-based data encryption?
A: Yes. The switch supports AES-128 MACsec encryption, providing hardware-level link security for data confidentiality and integrity between switches.
Q9: What is "Perpetual PoE" and why is it important for my network?
A: Perpetual PoE ensures that power delivery to connected devices (like IP cameras, medical sensors, or smart lighting) is maintained even during a switch reload or software update. This eliminates device downtime during maintenance windows.
Q10: Can I manage the C9200L-48P-4X-A via the cloud?
A: Yes. The Catalyst 9200 series supports Cloud Monitoring for Catalyst, which integrates with the Meraki Dashboard to provide real-time visibility into port status, traffic statistics, and troubleshooting data.
Q11: Are the cooling fans field-replaceable (FRU) on this model?
A: No. On the C9200L fixed configuration models, the redundant fans are fixed and cannot be replaced in the field. For field-replaceable fans, the modular C9200 series is recommended
Q12: What is the total MAC address table capacity for this switch?
A: The C9200L hardware supports up to 16,000 MAC address entries, which is optimal for medium-sized branch offices or campus access layers.
Q13: Is the Network Advantage license perpetual or subscription-based?
A: The Network Advantage license is perpetual, meaning it stays with the hardware for its entire lifetime. However, the optional Cisco Catalyst (formerly DNA) software for automation and advanced analytics is term-based (3, 5, or 7 years).
Q14: How does this switch support energy efficiency?
A: The C9200L series is ENERGY STAR certified and supports IEEE 802.3az Energy Efficient Ethernet (EEE). It dynamically adjusts power per port based on traffic flow and can move idle ports into a lower power state.
Q15: What happens to the network performance if I use this switch in a stack?
A: When stacked, the aggregate forwarding rate of the C9200L-48P-4X reaches up to 190 Mpps, and the logical switching capacity increases to 256 Gbps, ensuring wire-speed performance across the entire stack.
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