HP StorageWorks 2/140 FW 08.01.00 McDATA Products in a SAN Environment Plannin - Page 48
SAN Routers
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Introduction to McDATA Multi-Protocol Products 1 • Up to 32 duplex SFP fiber-optic port transceivers. Tri-rate shortwave laser (1.0625, 2.1250, or 4.2500 Gbps) transceivers are available for transferring data over multimode fiber-optic cable. Tri-rate longwave laser transceivers are available for transferring data over singlemode fiber-optic cable. Fiber-optic cables attach to switch port transceivers with duplex LC connectors. NOTE: The Sphereon 4700 Fabric Switch can be purchased at a discount price with the Flexport Technology feature. The switch is delivered with only 16 ports enabled. When additional port capacity is required, the remaining ports are enabled (in eight-port increments) through purchase of a PFE key. The switch front panel provides a combined initial machine load and reset (RESET) button, Ethernet LAN connector, port status LEDs, green power (PWR) LED, and amber system error (ERR) LED. The switch rear panel provides a 9-pin DSUB maintenance port for connection to a local terminal or remote terminal. Although the port is typically used by authorized maintenance personnel, operations personnel can use the port to configure switch network addresses. SAN Routers The Fibre Channel protocol was designed for high-performance channel and storage applications within the limited confines of a data center. However, the protocol is not suited for long-distance applications between multiple, geographically-dispersed SANs or data centers. Conversely, transmission control protocol/Internet protocol (TCP/IP) is well suited to provide dynamic routing for complex, geographically-dispersed networks. SAN routers provide multi-protocol solutions to this problem by unifying storage (FCP) and networking (TCP/IP) architectures. These protocols include metropolitan Fibre Channel protocol (mFCP), Internet Fibre Channel protocol (iFCP), and Internet small computer systems interface (iSCSI), provided at up to Gigabit Ethernet (GbE) bandwidth. SAN routers are low port count, high-bandwidth products that provide extended distance and multi-protocol access to Fibre Channel SANs, and should be installed to: 1-22 McDATA Products in a SAN Environment - Planning Manual
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