Dell PowerConnect B-8000 Reference Manual - Page 14
FCoE and Layer 2 capabilities, Fibre Channel capabilities - powerconnect b e
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1 PowerConnect B-8000 overview • Rack-mount design (1U form factor) using existing rail kits (fixed and mid-mount/Telco rail kits) on a 19-inch EIA rack. • Extensive diagnostics and system-monitoring capabilities for enhanced high Reliability, Availability, and Serviceability (RAS). • The Brocade EZSwitchSetup wizard that makes SAN configuration a three-step point-and-click task. • FCoE to FC latency of 1670 nanoseconds. FCoE and Layer 2 capabilities The PowerConnect B-8000 has the following capabilities for the Ethernet functions: • 24 ports 10 GbE CEE. • Low latency, lossless, deterministic interconnect required for FCoE. • FCoE support along with Fabric Provided MAC Address (FPMA) discovery. FOS delivers these features and also enables support for Priority-based Flow Control (802.1Qbb). Data Center Bridging eXchange (DCBX) - Capabilities Exchange and Enhanced Transmission Selection (802.1Qaz) delivers the lossless and deterministic FCoE requirement. • Enables hardware-assisted MAC learning and aging. • Support for 32K MAC addresses and 4K Vlans. • Support for Layer 2 protocols STP/MSTP/RSTP (802.1q) and Link Aggregation (802.1ad). • Brocade 10G SFP+ (SR and LR) and Brocade-branded Twinax copper cables. • CEE port to CEE port latency of 570 nanoseconds (same ASIC) and 1050 nanoseconds (different ASIC). Fibre Channel capabilities The fully-configured PowerConnect B-8000 offers the following features for the Fibre Channel functions (license required): • Up to 8 auto-sensing ports of high-performance 8 Gbps technology in a single domain. • Full 1:1 subscription on 8 Gbps ports. • 1, 2, 4, and 8 Gbps auto-sensing Fibre Channel switch and router ports. • Universal ports self-configure as E, F, M, or FL ports. • Inter-Switch Link (ISL) Trunking (licensable), which allows up to eight ports (at 1, 2, 4, or 8 Gbps speeds) between a pair of switches combined to form a single, logical ISL with a speed of up to 64 Gbps (128 Gbps full duplex) for optimal bandwidth utilization and load balancing. • Dynamic Path Selection (DPS), which optimizes fabric-wide performance and load balancing by automatically routing data to the most efficient available path in the fabric. • Brocade-branded SFP optical transceivers that support any combination of Short Wavelength (SWL) and Long Wavelength (LWL) optical media among the switch ports. • Support for unicast, multicast (255 groups), and broadcast data traffic types. 2 PowerConnect B-8000 Hardware Reference Manual 53-1001788-01