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N3K-C3548P-BD-L3A
Cisco N3K-C3548P-BD-L3A Nexus 3500 48-Port 10 Gigabit SFP+ S...
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N3K-C3548P-BD-L3A is a low-latency Layer 3 data center switch with 48 fixed 1G/10G SFP+ interfaces, DC power and port-side intake airflow. Host connections and uplinks use the same fixed interface bank rather than a removable uplink card. The Cisco Nexus 3548 occupies one rack unit and bundles Layer 3 functionality with Algo Boost for latency-sensitive switching. Within the Nexus 3500 platform, this configuration matches cabinets supplied with DC power and cooled from the port-facing side. The discontinued N3K-C3548P-BA-L3A is its AC-powered counterpart. Both belong to the original hardware generation, not the later X or XL generation.
N3K-C3548P-BD-L3A price is is available on request. Get immediate quote.
Request bulk order quote for N3K-C3548P-BD-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 fixed interfaces. Normal mode accommodates 24000 IPv4 unicast routes and 64000 MAC addresses; these are forwarding resources, separate from software-license restrictions. N3K-C3548P-BD-L3A carries 4 GB DRAM and 2 GB flash, while an 18 MB packet buffer is shared across interface groups. 265W maximum consumption provides the electrical provisioning figure, rather than a power-supply output rating. Base licensing enables static routing, RIPv2, OSPFv2 limited to 256 routes and EIGRP Stub; LAN Enterprise adds advanced routing including BGP and requires Base licensing. Management includes a console CLI, SSHv2, Telnet, SNMP, XML NETCONF and Cisco DCNM. The chassis uses redundant internal power supplies rather than an external desktop adapter.
Order N3K-C3548P-BD-L3A in new sealed or certified refurbished condition, recording the quantity and selected condition on the PO. Refurbished units are inspected and bench-tested for power-on and POST, rated-speed port links, optics bay recognition, PSU status, NXA-FAN-30CFM-B status and clean boot; firmware is verified and configurations are wiped to factory default. ORM warranties are up to a 3-year extended term for new units and up to 1 year for refurbished units, with 30-day returns on every condition, terms apply; Cisco coverage ended October 31, 2021. PO accepted, Net-30 for government and RMA with advance replacement support enterprise and volume purchasing across UK, EU, US and MEA regions.
| Key Specs | Key Spec Values |
|---|---|
Operating System | NX-OS |
Port Configuration | 48 x 1G/10G SFP+ |
Max Power Draw | 265W |
Cooling | 4 x NXA-FAN-30CFM-B, port-side intake |
Lifecycle Status | Cisco support ended October 31, 2021 |
Replacement PID | N3K-C3548P-XL / N3K-C3548-X-SPL3A discontinued |
When reproducing a latency-sensitive configuration, forwarding mode becomes an acceptance-test item rather than a default to overlook. Warp mode reduces the available tables to 4000 IPv4 unicast routes and 8000 MAC addresses. Establish the required operating mode and topology size before specifying the staging purchase.
When consolidating routed rack connections, interface scale must cover more than physical links. The switch supports 1024 Layer 3 interfaces across routed ports, SVIs, PortChannels and subinterfaces, alongside 4096 VLANs. Reconcile the proposed interface inventory and software entitlements before committing the consolidation quantity to the PO.
Active Cisco hardware service coverage
Cisco service ended October 31, 2021. N3K-C3548P-XL is the current endpoint of the replacement chain for purchases requiring a supported hardware generation.
Direct PoE power for copper endpoints
The fixed data interfaces are SFP+ cages, not powered RJ-45 access ports. Phones, cameras and access points needing direct PoE require different switching hardware.
Native QSFP uplink connections
The chassis has no native QSFP cages. Logical 40G operation combines four sequential SFP+ interfaces, consuming those interfaces rather than providing a separate QSFP uplink.
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| N3K-C3548P-BD-L3A |  N3K-C3548P-FD-L3A |  N3K-C3524P-10GX |  N3K-C3548-X-SPL3A |  N3K-C3548P-10G | |
|---|---|---|---|---|---|
| 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 | 2 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-BD-L3A | N3K-C3548P-FD-L3A | N3K-C3524P-10GX | N3K-C3548-X-SPL3A | N3K-C3548P-10G |
| Memory | 4 GB | 4 GB | 4 GB | 4 GB | 4 GB |
| Power Consumption | 265W | 265W | 193W | 213W | 265W |
| Switching Capacity | 960 Gbps | 960 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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N3K-C3548P-BD-L3A identifies a Nexus 3548 bundle with 48 SFP+ ports, reverse airflow, DC power, Layer 3 and Algo Boost. The N3K-C3548P stem identifies the switch, BD identifies port-side intake with DC input, and L3A identifies the combined Layer 3 and Algo Boost bundle.
Cisco Nexus 3500 management includes a console CLI, remote CLI over SSHv2 or Telnet, Cisco DCNM, SNMP and an XML NETCONF interface. Administrators can use in-band access or the dedicated management connection. Choose the intended access method and authentication settings before loading the production configuration.
N3K-C3548P-BD-L3A is discontinued: end of sale was October 7, 2016, and Cisco support ended October 31, 2021. Both milestones are in the past. The switch is therefore a legacy installed-base purchase, not hardware eligible for renewed Cisco service beyond its final support date.
ORM Systems offers N3K-C3548P-BD-L3A new sealed or certified refurbished, with up to a 3-year extended warranty for new units and up to 1 year for refurbished units. Every condition has 30-day returns; terms apply. Cisco's original 1-year limited hardware warranty is no longer active because support ended October 31, 2021.
N3K-C3548P-BD-L3A is a Layer 3 and Algo Boost bundle using permanent feature licenses rather than a term subscription. Nexus 3500 licensing includes Base, LAN Enterprise and Algo Boost packages, with Base required for LAN Enterprise. Confirm installed entitlements against the supplied serial number before enabling the intended features.
Cisco Nexus 3548 supports SFP-10G-SR for multimode fiber, SFP-10G-LR for single-mode fiber and direct-attach options including SFP-H10GB-CU3M. Select the media type and reach for each connection. The fixed SFP+ interface bank supplies both host-facing connections and uplinks; there is no separate removable uplink card.
N3K-C3548P-BD-L3A uses DC power and port-side intake airflow, with redundant internal supplies and four NXA-FAN-30CFM-B units. Maximum switch consumption is 265W, compared with 152W typical operation. Match the cabinet's electrical feed and aisle orientation to this configuration rather than treating it as an AC-powered bundle.
Nexus 3500 Warp mode reduces forwarding scale to 4000 IPv4 unicast routes and 8000 MAC addresses, compared with 24000 routes and 64000 MAC addresses in normal mode. The lower-latency operating mode therefore requires a separate topology-size check. Confirm both the required mode and Algo Boost entitlement before deployment.
N3K-C3548P-BD-L3A uses DC power, whereas N3K-C3548P-BA-L3A uses AC power; both have port-side intake airflow and Layer 3 plus Algo Boost bundling. Both models are discontinued. The DC version matches an existing DC-fed installation, while the AC version matches an existing AC-fed installation requiring the same airflow direction.
N3K-C3548P-BD-L3A enables all 48 SFP+ interfaces, while N3K-C3524P-10G enables 24 interfaces on the same underlying hardware design. Both models are discontinued. The 48-port bundle serves an existing installation requiring the full interface count; the 24-port model serves an installed configuration retaining its smaller licensed port allocation.
N3K-C3548P-BD-L3A has 4 GB DRAM, while N3K-C3548P-XL has 16 GB DRAM. The original bundle is discontinued, and the XL model is the current endpoint of its replacement chain. Retaining the original model addresses an existing hardware match; selecting the XL addresses a new standard requiring the later memory configuration.
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