HP StorageWorks 2/16V Brocade Web Tools Administrator's Guide (53-0000194-01, - Page 196
McData Interoperability
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11 11-2 Fibre Channel routing requires some additional terminology: FC Router A switch running FC-FC Routing Service. 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. A VEX_Port is similar to an EX_Port, but is a virtual port that enables routing functionality via an FCIP tunnel. interfabric link (IFL) The link between an E_Port and an EX_Port, or a VE_Port and a VEX_Port. edge fabric A standard Fibre Channel fabric with targets and initiators connected through an FC Router to another Fibre Channel fabric. backbone fabric An FC Router can connect two edge fabrics; a backbone fabric connects FC Routers. The backbone fabric is the fabric to which the FC Router switch belongs. 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. metaSAN The collection of all SANs interconnected with FC Routers. Note Devices on edge fabrics that are connected to a SilkWorm AP7420 Multiprotocol Router cannot communicate with devices in the backbone fabric. Figure 11-1 on page 11-3 shows a metaSAN with a backbone consisting of one FC Router connecting hosts in edge fabric 1 and 3 with storage in edge fabric 2 and the backbone fabric through the use of LSANs. A device is shared between: • The backbone fabric and edge fabric 1 • Edge fabric 1 and edge fabric 2 • Edge fabric 2 and edge fabric 3 McData Interoperability Brocade switches and McDATA switches interoperate while operating in the open mode. With FCR, we can connect any Brocade to any McDATA fabric, without service disruption. All the existing features of the two fabrics remain the same, except that we are able to share devices between them. Note Web Tools does not work with McData edge-fabrics. You can configure any EX_Port on a FCR to be either McDATA Open Mode or McDATA Fabric Mode. You can setup the LSANzone with the shared devices from both fabrics. Once these configurations are done, and the ports are connected, devices are shared just like connecting two Brocade fabrics. FCR interoperates with McDATA edge fabrics in both the McDATA Open Mode 1.0 and the McDATA Fabric Mode. You have the ability to configure any EX_Port to connect to a McDATA fabric without disrupting the existing services. All the EX_Port functionality such as fabric isolation, device sharing, remains the same as connecting to an existing Brocade fabric. Web Tools Administrator's Guide Publication Number: 53-0000194-01