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N3K-C3548P-FD-L3A
Cisco N3K-C3548P-FD-L3A Nexus 3500 48-Port 10 Gigabit Switch...
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N3K-C3548P-FD-L3A is a DC-powered Layer 3 data center switch with 48 fixed SFP+ interfaces supporting 1G or 10G connections and a Layer 3 plus Algo Boost bundle. Server connections and upstream links use the fixed interfaces rather than a removable uplink card. The Cisco Nexus 3548 occupies 1U and serves top-of-rack environments where switching latency matters. Within the Nexus 3500 family, this version uses port-side exhaust airflow, directing heated air toward the interface side of the rack. The discontinued N3K-C3548P-FA-L3A differs by using AC power instead of DC. Native copper access ports and PoE endpoint power are absent from this configuration.
N3K-C3548P-FD-L3A price is is available on request. Get immediate quote.
Request bulk order quote for N3K-C3548P-FD-L3A for additional pricing. Browse the full Cisco Nexus 3500 Switches series or explore all Cisco products.
960 Gbps switching capacity and 720 Mpps forwarding support line-rate traffic across the interfaces. 265W maximum consumption provides the electrical planning figure, distinct from the 152W typical operating figure. N3K-C3548P-FD-L3A supports console and SSHv2 administration, while NETCONF provides an XML interface over SSH for configuration automation. Under Base licensing, OSPFv2 is limited to 256 routes and EIGRP operates as EIGRP Stub; LAN Enterprise enables advanced OSPFv2, EIGRP, BGP and VRF-Lite. Static routing, RIPv2, PIM-SM, SSM and MSDP are also available through the Base feature set. RSTP, MSTP and LACP handle Layer 2 topology and link aggregation. Active buffer monitoring samples utilization in hardware to expose congestion events that slower software polling can miss. Routing entitlements and forwarding-mode limits remain separate considerations when preparing the configuration.
ORM Systems supplies N3K-C3548P-FD-L3A new sealed or certified refurbished, with up to a 3-year extended warranty on new units and up to 1 year on certified refurbished units; Cisco service ended October 31, 2021. Certified refurbished units are inspected and bench-tested for power-on and POST, every port linking at rated speed, clean boot, optics bay recognition, PSU status and fan status, with firmware verified and configurations wiped to factory default. Specify condition, quantity and link media on the PO; returns are 30 days on every condition, terms apply. Enterprise and volume orders accept POs, Net-30 for government and RMA with advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco NX-OS |
Port Configuration | 48 x 1G/10G SFP+ |
Max Power Draw | 265W |
Cooling | 4 fans / Port-side exhaust |
Lifecycle Status | Cisco service ended October 31, 2021 |
Replacement PID | N3K-C3548P-XL |
During staging of a latency-sensitive deployment, forwarding mode changes the table limits: warp mode allows 4000 IPv4 routes and 8000 MAC addresses. Test the intended configuration against the actual endpoint and route inventory, then specify the required forwarding mode before the purchase order.
When replacing an installed unit or building a spare pool, the original hardware has two management sockets but enables only one. A staging plan must use the active interface rather than assume management-port failover. Confirm the console access plan and management cabling before the PO.
Active Cisco service coverage
Cisco service ended October 31, 2021. N3K-C3548P-XL is the current successor at the end of the replacement chain; specify its required software and power configuration separately.
Native 25G or 100G links
The fixed interfaces support 1G or 10G SFP+ connections, not native 25G or 100G interfaces. Higher-speed individual links require different hardware.
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| N3K-C3548P-FD-L3A |  N3K-C3524-X-SPL3 |  N3K-C3524-X-SPL3A |  N3K-C3548-X-SPL3A |  N3K-C3548P-BA-L3A | |
|---|---|---|---|---|---|
| Depth | 467 mm | 467 mm | 467 mm | 467 mm | 467 mm |
| Ethernet Technology | 10 Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet |
| Flash Memory | 2 GB | 4 GB | 4 GB | 4 GB | 2 GB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 43.6 mm | 43.6 mm | 43.6 mm | 43.6 mm | 43.6 mm |
| Manufacturer Part Number | N3K-C3548P-FD-L3A | N3K-C3524-X-SPL3 | N3K-C3524-X-SPL3A | N3K-C3548-X-SPL3A | N3K-C3548P-BA-L3A |
| Memory | 4 GB | 4 GB | 4 GB | 4 GB | 4 GB |
| Power Consumption | 265W | 193W | 193W | 213W | 265W |
| Switching Capacity | 960 Gbps | 480 Gbps | 480 Gbps | 960 Gbps | 960 Gbps |
| Weight | 7.9 kg | 7.9 kg | 7.9 kg | 7.9 kg | 7.9 kg |
| Width | 439 mm | 439 mm | 439 mm | 439 mm | 439 mm |
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Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
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N3K-C3548P-FD-L3A identifies a Nexus 3548 bundle with 48 SFP+ ports, forward airflow, DC power, Layer 3 and Algo Boost. N3K places the hardware in the Nexus 3000 family; C3548P identifies the chassis, FD specifies port-side exhaust with DC power, and L3A identifies the software bundle.
N3K-C3548P-FD-L3A supports CLI management through the serial console, SSHv2 and Telnet, plus Cisco DCNM, SNMP and XML NETCONF management. In-band and out-of-band access are available. Python scripting and Power On Auto Provisioning support automation, while role-based access control restricts administrative permissions.
N3K-C3548P-FD-L3A is discontinued: end of sale was October 7, 2016, and Cisco support ended October 31, 2021. The direct replacement, N3K-C3548-X-SPL3A, is also discontinued. The replacement chain continues to N3K-C3548P-XL, which remains available rather than sharing the original model's lifecycle dates.
N3K-C3548P-FD-L3A combines Layer 3 and Algo Boost, while individual capabilities follow Base, LAN Enterprise and Algo Boost entitlements. LAN Enterprise N3548-LAN1K9 requires Base licensing and enables advanced routing. Algo Boost N3548-ALGK9 enables NAT, warp mode and warp SPAN; confirm the entitlements included with the order.
ORM Systems offers N3K-C3548P-FD-L3A new sealed or certified refurbished, with up to a 3-year extended warranty on new units and up to 1 year on certified refurbished units. Returns are 30 days for every condition; terms apply. Cisco's original 1-year limited hardware warranty and service coverage ended October 31, 2021.
The Nexus 3500 supports SFP-10G-SR for multimode fiber, SFP-10G-LR for single-mode fiber and SFP-H10GB-CU3M for a 3 m direct-attach connection. Select the exact media PID for each link rather than treating every SFP+ connection as interchangeable, and match both ends of the connection.
N3K-C3548P-FD-L3A uses DC power and forward airflow, meaning port-side exhaust. The chassis supports dual redundant power supplies and four redundant fans. N2200-PDC-400W is the compatible port-side-exhaust DC supply; confirm the installed supply configuration and rack airflow direction when specifying the order.
Warp mode reduces Nexus 3500 IPv4 unicast routing capacity from 24000 to 4000 entries and MAC capacity from 64000 to 8000 entries. The mode shortens the forwarding path, but its smaller tables must accommodate the intended configuration. Normal-mode capacity must not be assumed when enabling warp mode.
N3K-C3548P-FD-L3A uses DC power, while N3K-C3548P-FA-L3A uses AC power; both specify forward airflow and Layer 3 plus Algo Boost. Both models are discontinued. The distinction matters when matching an existing installation: the FD configuration matches DC-fed racks, while the FA configuration matches AC-fed racks.
N3K-C3548P-FD-L3A enables 48 interfaces, whereas N3K-C3524P-10G enables 24 interfaces on the shared hardware design. Both are discontinued. For matching an installed configuration, the former accommodates a full interface inventory, while the latter starts with fewer enabled interfaces and requires a port license upgrade to enable the remainder.
N3K-C3548P-FD-L3A has 4 GB of system memory and 2 GB of boot flash, while N3K-C3548P-XL has 16 GB of each. The original model is discontinued; the XL is the current successor. The original serves installed-base matching, while the XL suits buyers requiring the current replacement generation.
The Cisco Nexus 3548 is a rack-mountable 1U data center switch, not a compact desktop switch. Its interface side and power-supply side occupy opposite ends of the chassis. Specify the mounting accessories and rack orientation together so installation matches the required airflow arrangement.
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