Cisco Nexus 2000 Series Fabric Extenders are data center access devices that operate as remote line cards for a parent Cisco Nexus switch rather than standalone switches. They are mainly evaluated for installed-base expansion, spare replacement, migration planning, and server-access compatibility across 1G, 10G, copper, fiber, FCoE, airflow, optics, and supported Nexus parent-switch designs.
Showing all 2 results
48x1G BASE-T – 4x10G SFP+ Fabric Links – Nexus FEX
48x1G BASE-T – 4x10G SFP+ Fabric Links – Nexus FEX
Cisco Nexus 2000 Series Fabric Extenders are used to extend server access ports from a parent Cisco Nexus switch. They simplify data center access by placing host-facing ports near servers while keeping management, forwarding control, and configuration tied to the parent Nexus platform.
No. Nexus 2000 devices are fabric extenders, not standalone switches. They behave like remote line cards for a supported parent Nexus switch. Buyers must verify parent-switch compatibility before purchasing, because a Nexus 2000 unit cannot operate independently like a normal top-of-rack switch.
Cisco documentation lists Nexus 5000, 6000, 7000, and 9000 Series parent-switch support across Nexus 2000 models, but support depends on the exact FEX model, parent switch, NX-OS release, and minimum software requirements. Always check the compatibility notes before ordering.
Common Nexus 2000 comparisons include 1G models such as Nexus 2224TP and 2248TP, and 10G or unified fabric models such as 2232PP, 2248PQ, 2348UPQ, and related variants. Buyers should compare host ports, fabric interfaces, oversubscription, FCoE support, airflow, optics, and parent-switch support.
1G Nexus 2000 models fit older server-access environments using RJ-45 Gigabit Ethernet. 10G models fit higher-speed server access with SFP, SFP+, QSFP, or unified fabric options depending on the model. Migration planning should consider server NICs, optics, cabling, parent switch ports, and oversubscription.
Some Nexus 2000 models support FCoE or unified fabric features, but support is model-specific and depends on the parent Nexus switch and NX-OS software. Buyers should verify FCoE requirements, CNA support, licensing, optics, and storage-network design before buying replacement or expansion units.
Cisco lists the Nexus 2000 Series Fabric Extenders as end-of-sale, with the series no longer being sold while still supported until the published end-of-support date. Buyers should treat Nexus 2000 mainly as installed-base replacement, spare inventory, or migration-planning hardware.
Replacement depends on the existing architecture. Some sites may use later fabric extender platforms for installed-base continuity, while many data center refreshes move toward modern Nexus leaf switches or a redesigned leaf-spine architecture. Confirm cabling, optics, server ports, NX-OS design, and migration downtime before replacing Nexus 2000 hardware.
Key risks include unsupported parent switch software, wrong FEX model, incompatible optics, mismatched airflow, incorrect fabric uplinks, unsupported FCoE needs, missing power supplies, and lifecycle limits. Compatibility should be checked against the exact parent switch and NX-OS release, not just the Nexus 2000 model name.
Verify exact Nexus 2000 model, parent switch, NX-OS release, host port type, fabric uplinks, optics, FCoE needs, airflow direction, power supplies, rack kit, condition, warranty, support window, replacement strategy, lead time, and whether a modern Nexus refresh is a better long-term option.
Notifications