HP StorageWorks 64 FW 05.01.00 and SW 07.01.00 HP StorageWorks SAN High Availa - Page 32
Product Features, Connectivity Features
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Introduction to HP Fibre Channel Products Product Features In addition to the characteristics and performance features described in this chapter, HP-managed directors and switches also provide a variety of: ■ Connectivity features. ■ Security features. ■ Serviceability features. Connectivity Features Directors, switches, and the associated HAFM and Product Manager applications support the following Fibre Channel connectivity features: ■ Any-to-any connectivity - Director and switch software configures hardware routing tables for each source port to provide any-to-any port connectivity. Subject to user-defined restrictions such as port blocking and zoning, directors and switches define the destination port with which a source port is allowed to communicate, and provide any-to-any port connectivity. In addition, directors and switches provide connectivity for both FCP and IBM FICON devices. ■ Extended distance support - Through the use of repeaters, any director or switch port can be configured for extended distance operation. By setting a port's buffer-to-buffer credit (BB_Credit) value to 60, the port can transmit data up to 100 kilometers at 1 Gbps or 50 kilometers at 2 Gbps. ■ Port blocking - System administrators can block or unblock any director or switch port through the HAFM application. Blocking a port prevents an attached device from logging in to the product or communicating with any attached device. A blocked port continuously transmits an offline sequence (OLS). ■ Zoning - System administrators can partition attached devices into restricted-access zones. Devices in the same zone can recognize and communicate with each other through switched port-to-port connections. Devices in separate zones cannot recognize and communicate with each other. ■ Broadcast and multicast support - Directors and switches support transmission of a Fibre Channel frame to all attached N_Ports (broadcast), or transmission of a Fibre Channel frame to a user-specified group of attached N_Ports (multi-cast). 32 SAN High Availability Planning Guide
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