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by Cisco
Product Line: Cisco N3K-C3048-FA-L3
Product Type: Switch
Original price $0.00 - Original price $611.00
Original price
$0.00 - $611.00
Current price $611.00
Title: Used

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Product Description

The N3K-C3048-FA-L3 Cisco switch features 48 fixed 10/100/1000 Mbps Ethernet ports and a switching capacity of 176 Gbps with a forwarding rate of 132 Mpps, designed for efficient data handling and high-speed connectivity. It supports up to 4096 VLANs, 512 Spanning Tree instances for RSTP and 64 for MSTP, and accommodates 2000 ingress and 1000 egress ACL entries, ensuring versatile network segmentation and security configurations. The unit includes redundant power supplies and fans, operates within a temperature range of 0 °C to 40 °C, and is housed in a 1RU form factor, optimizing reliability and space efficiency in data center environments.

Key Feature for the N3K-C3048-FA-L3

  • Q: What is the total number of Ethernet ports on this device?
    A: The device has a total of 50 Ethernet ports, comprising 48 fixed 10/100/1000 Mbps ports and 2 10/100/1000-Mbps management ports.
  • Q: How many power supplies does the switch support, and what type are they?
    A: The switch supports 2 redundant power supplies.
  • Q: What is the maximum switching capacity of the device?
    A: The device offers a switching capacity of 176 Gbps.
  • Q: How many USB ports are available on the switch?
    A: There is 1 USB port available on the switch.
  • Q: Can you detail the fan type and airflow direction in the device?
    A: The device uses redundant fans with a forward airflow direction.
  • Q: What is the maximum operating power of the device?
    A: The maximum operating power of the device is 120 W.
  • Q: How many VLANs can this device support?
    A: The device can support up to 4096 VLANs.
  • Q: What are the dimensions of the device?
    A: The device measures 1.72 x 17.3 x 19.7 inches (H x W x D).
  • Q: Describe the device's capability regarding Jumbo Frames.
    A: The device supports Jumbo Frames up to 9216 bytes.
  • Q: What are the environmental operating conditions for the device?
    A: The operating temperature ranges from 0 °C to 40 °C with a relative humidity of 10% to 85% (noncondensing).

Product Review

The Cisco N3K-C3048-FA-L3 offers a comprehensive set of features suitable for high-density networking environments, with 48 fixed Ethernet ports and a switching capacity of 176 Gbps, ensuring efficient data processing and high-speed connectivity. However, its limited operating temperature range of 0 °C to 40 °C may restrict deployment in environments with extreme conditions. Additionally, while the switch supports a significant number of VLANs and MAC addresses, the ACL entries might be insufficient for complex network security requirements, potentially necessitating additional solutions for extensive access control lists.


The Cisco N3K-C3048-FA-L3 is a compact, 1RU form factor switch designed for efficient networking and high-performance requirements, boasting a suite of features that cater to a wide range of data center needs. This switch includes 48 fixed 10/100/1000 Mbps Ethernet ports for high-speed connectivity and data transfer rates, along with 2 10/100/1000-Mbps management ports for simplified network management. For local management and configuration, it provides one RS-232 serial console port and one USB port, enhancing accessibility and ease of use. Key to its design is the inclusion of two redundant power supplies, ensuring continuous operation and minimizing downtime in case of a power supply failure. The switch also features redundant fan components, supporting a forward airflow scheme to maintain optimal operating temperatures and ensure reliability and longevity of the hardware. With a switching capacity of 176 Gbps and a forwarding rate of 132 Mpps, the Cisco N3K-C3048-FA-L3 is engineered to handle substantial data traffic, making it suitable for growing enterprise networks. It supports jumbo frames up to 9216 bytes, facilitating the efficient processing of large data packets which is crucial in modern networking environments. The hardware specifications reveal a device capable of advanced network management and security features: - The switch can store up to 128,000 MAC addresses, accommodating extensive device connectivity and network scale. - It supports up to 4096 VLANs, allowing for extensive network segmentation and improved security. - Spanning Tree Protocol instances are supported up to 512 for Rapid Spanning Tree Protocol (RSTP) and 64 for Multiple Spanning Tree Protocol (MSTP), enhancing network resilience and loop prevention. - Access Control List (ACL) support includes 2000 ingress and 1000 egress entries, enabling detailed traffic filtering and network security measures. Furthermore, the Cisco N3K-C3048-FA-L3 boasts a robust routing table capacity with 16,000 prefixes and host entries, along with 8000 multicast routes, ensuring efficient routing and multicast traffic management. It also supports up to 52 EtherChannels, with a maximum of 16 ports per EtherChannel, allowing for link aggregation that increases the available bandwidth and redundancy between the switch and other network devices. The device's memory and storage capabilities include 9 MB of shared buffers for efficient data processing and 2 GB of boot flash memory for the operating system and applications. Operating power consumption is rated at 120 W, with a heat dissipation of 409 BTU/Hour, showcasing the switch's energy efficiency. Physical dimensions measure 1.72 x 17.3 x 19.7 inches, fitting comfortably in a standard rack setup. It operates within a temperature range of 0 °C to 40 °C and a relative humidity range of 10% to 85% (noncondensing), ensuring reliable performance across various data center environments. In summary, the Cisco N3K-C3048-FA-L3 switch is designed to meet the demands of modern data centers, offering high-density Ethernet connectivity, redundancy features, and advanced networking capabilities within a compact, energy-efficient package.


Part Number and ManufacturerCisco N3K-C3048-FA-L3
Ethernet Ports (Fixed 10/100/1000 Mbps)48
Management Ethernet Ports (10/100/1000-Mbps)2
Serial Console Ports (RS-232)1
USB Port Count1
Power Supply Units2 (Configured for Redundancy)
Cooling FansDual, Redundant
Airflow DirectionForward
Chassis Height1RU
Switching Throughput176 Gbps
Packet Forwarding Rate132 Mpps
Support for Jumbo Packets9216 Bytes
MAC Address Table Size128,000 Entries
VLAN SupportUp to 4096
Spanning Tree Protocol Instances512 (RSTP), 64 (MSTP)
Access Control List (ACL) Capacity2000 Ingress, 1000 Egress
Routing Capacity16,000 Prefixes, 16,000 Hosts, 8000 Multicast Routes
Max EtherChannels52
Ports per EtherChannel Maximum16
Packet Buffer Size9 MB Shared
Boot Flash Memory Size2 GB
Operational Power Consumption120 W
Thermal Output409 BTU/Hour
Dimensions (H x W x D)1.72 x 17.3 x 19.7 inches
Temperature Range for Operation0 °C to 40 °C
Relative Humidity for Operation10% to 85% (Non-Condensing)

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