Stack It Up: New Extreme Switch Undercuts Cisco, Juniper

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Extreme Networks this week launched a new line of Ethernet switches that offer flexible stacking options and can be deployed in both top-of-rack data center and campus edge aggregation scenarios. The switches, which are the showpiece product launch at this week's Extreme North American channel conference in Torrey Pines, Calif., are set to challenges rival stackable switches from the likes of Cisco and Juniper.

Extreme's new Summit X460 line sits between its 450 and 480 offerings, and comes in six different flavors, with 24 or 48 Gigabit Ethernet copper or fiber ports. The switches support up to 80 Gbps of stacking bandwidth, at a distance of 100 meters. There is support for 30-watt Power over Ethernet Plus (PoE+), and a number of optional features, including dual internal AC/DC redundnacy, a module for dual 10 GbE uplink, policy-based QoS and IPv6 forwarding.

Key to the X460's appeal, according to Extreme, are its stacking options. First off, the 460 supports Extreme's existing dual-port 40 Gbps SummitStack module, which makes it compatible with the X250e, X450a, X480 and X650 models. There are also two new options: SummitStack-V80 a dual-port 80 Gbps QSFP+ module, which offers up to 100 meters of distance, and SummitStack-V a two-port 10G SFP+ module, offering 40 kilometers.

Those options enable the X460 to be deployed top-of-rack in the data center, allowing stacking across racks, or in a campus core, or in the campus edge in a wiring closet. The X460s support IEEE 802.2at PoE+, and offers as high as 30 watts per port for an attached device.


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