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ExtremeXOS Switches

V400 Series

Simplified edge switch operation leveraging the power of ExtremeXOS® aggregation switches

Product Highlights


Key Features

  • Scalable family of edge switches centrally powered by ExtremeXOS software
  • Edge component of Extreme's Extended Edge Switching solution
  • Seamlessly runs advanced services residing on ExtremeXOS aggregation switch
  • Centralized, single point of control reduces complexity and operational costs
  • Plug and play edge installation - just connect and power-up

Hardware Summary

  • 24 or 48-port Gigabit Ethernet (non-PoE) models
  • 24 or 48-port 802.3at PoE models
  • 2 or 4-port l0Gbase-X SFP+ uplink ports
  • Redundant Power Supply (RPS) option

The V400 Series is a scalable cost-effective family of edge switches powered by Extreme Networks ExtremeXOS (EXOS) software, a highly resilient OS providing continuous uptime, advanced services and operational efficiency.

As the edge component of Extreme's Extended Edge Switching solution, the V400 provides access switch capabilities, while being controlled by a remote EXOS aggregation switch. This allows the V400 to seamlessly extend all the feature-rich services of the EXOS aggregation switch, including Layer 3 routing and policy, to the network edge.


The V400 family consists of both 24 and 48-port Gigabit Ethernet and 24 and 48-port Gigabit PoE+ models. All models include either 2 or 4 SFP+ ports on the faceplate of each base unit, which can be provisioned as upstream and/or cascade ports. This gives administrators the option to create redundant upstream links or downstream cascade/ring ports to other V400 units (see Figure 1).

The V400 operates in conjunction with 5420, 5520, X465, X590, X670-G2, and X690 Series switches which act as the "controlling" aggregation switch within the Extended Edge Switching architecture.

V400 Series units can quickly be installed in a plug and play manner. Once the unit is physically connected and powered up, the V400 automatically finds the central EXOS aggregation switch and downloads its configuration. There is no need to connect a local console for setup of the V400 device or its ports.

V400 Series switches support both IEEE 802.3at PoE+ and IEEE 802.3af PoE to enable connection of standards compliant PoE devices today. The V400 offers up to 740W PoE budget on 48-port models and 380W on 24-port models.

V400 PoE models also support an optional external redundant power supply (RPS) with up to 1000W for backup (or failover) power needs.

Cascaded V400 devices can also be configured in a ring design for additional resiliency. In a ring, the first and last V400 devices in a cascade can be connected to the EXOS aggregation switch. If any V400 device in the ring should fail, traffic can be re-routed in the other direction across the ring back to the EXOS aggregation switch.