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cisco Nexus 3000 Nexus 3048

End of saleNetwork1U fixed switch
Cisco cisco Nexus 3000 Nexus 30481U fixed switch48 ports96 Gbps

The Cisco Nexus 3048 is a 1U top-of-rack datacenter switch designed for Gigabit Ethernet server connectivity and out-of-band management networks. Providing 48 ports of 100M/1000BASE-T RJ-45 and 4 fixed 10GbE SFP+ uplinks, the 3048 delivers wire-speed Layer 2 and Layer 3 forwarding with low power consumption under Cisco NX-OS.

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Specifications

Brandcisco
FamilyNexus 3000
Form factor1U fixed switch
ReleasedOct 2011
End of saleApr 2020
End of supportApr 2025
Ports48x 100M/1000BASE-T RJ-45 ports
Uplinks4x 1G/10GbE SFP+ optical ports
Switching capacity96 Gbps / 71 Mpps forwarding throughput
Power suppliesDual redundant hot-swappable AC or DC power supplies
CoolingRedundant hot-swappable fan trays with reversible airflow

Generations

Works together

How the cisco Nexus 3000 Nexus 3048 connects to servers, storage and the network: 3 ways, with the parts and products on each path.

iSCSI and NVMe/TCP over EthernetFile storage (NFS and SMB)Hyperconverged cluster

iSCSI and NVMe/TCP over Ethernet

Keep the speed the same at all three points: a 25GbE server, a 25GbE switch port and a 25GbE array port. Mixed speeds work but the slowest link sets the pace.

Servers

Adapters for the server

Storage

Optics

iSCSI and NVMe/TCP over Ethernet: how it fits together

File storage (NFS and SMB)

Front-end ports face the clients; back-end ports (on scale-out systems) connect the nodes to each other and need their own switch pair.

Servers

Adapters for the server

Storage

Optics

File storage (NFS and SMB): how it fits together

Hyperconverged cluster

Plan at least two 25GbE ports per node to two switches; all-NVMe clusters often move to 100GbE.

HCI nodes

Adapters for the server

Optics

Hyperconverged cluster: how it fits together

Plan and size it

Check compatibility with Cisco

Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Cisco has tested with the cisco Nexus 3000 Nexus 3048.

Equivalent models from other brands

FAQ

What is the primary role of the Nexus 3048 in secondary markets?

It is widely traded as an enterprise out-of-band management switch for server console, IPMI, and ILO networks.

Does the Nexus 3048 support full Layer 3 dynamic routing?

Yes, with the appropriate NX-OS license, it supports OSPF, EIGRP, BGP, and PIM multicast routing.

Buying or selling Nexus 3048?

New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.

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Sources