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IBM Ethernet Switch B24X 5
For cost-effective server connectivity within a rack, 10 GbE copper direct attach SFP+ active TwinAx
cables are available. These cables have two 10 GbE SFP+ transceivers attached on either end of the
cable and have been tested for compatibility with the Brocade 10Gb CNA, QLogic 10Gb CNA, and
Emulex 10Gb Virtual Fabric Adapter for IBM System x. Compatibility with other 10 GbE server adapters
and network devices is up to the user to determine.
Figure 4. 10 GbE Direct Attach SFP+ TwinAx cable
Features and benefits
The features and benefits are:
Comprehensive standards support: Supporting a wide range of open IEEE and RFC standards, the
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B24X is fully interoperable with existing network environments. In addition, the B24X supports
vendor-specific protocols such as Cisco Discovery Protocol (CDP), native support for Per-VLAN
Rapid Spanning Tree Plus (PVRST+), and static trunks to EtherChannel for further supportability.
Built for the data center: The B24X features front-to-back airflow, allowing installation into racks with a
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hot-cold aisle design without the need for complicated air baffles. All ports are found on the front side
of the switch for easy serviceability.
Flexible deployment: Dynamic Layer 3 routing allows the B24X to support multiple deployment
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options, including a Top of Rack access switch supporting inter-VLAN routing within a rack or a
cost-effective aggregation switch.
High availability: Hot-swappable and redundant power supplies and fan trays reduce downtime and
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allow you to meet your service level agreements by increasing switch availability.
Best-in-class power efficiency: At only 176 W per twenty-four 10 GbE ports, the low power
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consumption reduces operational costs tied to power and cooling and allows data centers running out
of power to deploy more assets.
High performance: Supporting full-line rate traffic on all ports with no over-subscription and 488 Gbps
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of internal forwarding performance, the B24X also uses an advanced cut-through forwarding
architecture featuring low latencies to support time-sensitive applications such as real-time video and
market trading/exchange applications.
Industry-standard CLI: Minimize re-training and personnel costs while increasing operational
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efficiencies by utilizing a management interface with which the network team is already familiar.
Mature operating system: The feature-rich and time-tested IronWare Operating System running on
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the B24X and all IBM b-type system networking devices provides a consistent experience across the
network.
Upgrade without rip-and-replace: With dual-speed 10/1 GbE SFP+ ports plus four additional 1 GbE
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RJ-45 ports, the B24X supports a mix of 10 GbE and 1 GbE servers on the same switch without
needing to force upgrades of existing systems.