Dell PowerConnect Brocade M6505 Brocade 7.1.0 Web Tools Administrator's Guide - Page 159
Using the FC-FC Routing Service, In this Fibre Channel Routing overview
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Chapter Using the FC-FC Routing Service 10 In this chapter •Fibre Channel Routing overview 131 •Supported switches for Fibre Channel Routing 132 •Setting up FC-FC routing 132 •FC-FC routing management 133 •Viewing EX-Ports 134 •Configuring an EX-Port 135 •Configuring FCR router port cost 136 •Viewing LSAN zones 136 •Configuring the backbone fabric ID 137 Fibre Channel Routing overview Fibre Channel Routing (FCR) provides connectivity to devices in different fabrics without merging the fabrics. For example, Fibre Channel Routing allows you to share tape drives across multiple fabrics without the administrative problems, such as change management, network management, scalability, reliability, availability, and serviceability that might result from merging the fabrics. Fibre Channel Routing lets you create logical storage area networks (LSANs) that can span fabrics. These LSANs allow Fibre Channel zones to cross physical SAN boundaries without merging the fabrics while maintaining the access controls of zones. Note the following terminology for Fibre Channel Routing: backbone fabric An FC Router can connect two edge fabrics; a backbone fabric connects FC Routers. The FC Router fabric is the backbone fabric. A backbone fabric consists of at least one FC Router and possibly a number of Fabric OS-based Fibre Channel switches. Initiators and targets in the edge fabric can communicate with devices in the backbone fabric through the FC Router. edge fabric A standard Fibre Channel fabric with targets and initiators connected through an FC Router to another Fibre Channel fabric. EX-Port A type of port that functions somewhat like an E_Port, but does not propagate fabric services or routing topology information from one fabric to another. FC Router A switch running FC-FC Routing Service. interfabric link (IFL) The link between an E_Port and an EX-Port, or a VE_Port and a VEX-Port. metaSAN The collection of all SANs interconnected with FC Routers. Web Tools Administrator's Guide 131 53-1002756-01