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Fabric OS Administrator’s Guide 569
53-1002745-02
Chapter
24
Using FC-FC Routing to Connect Fabrics
In this chapter
•FC-FC routing overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 569
•Fibre Channel routing concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 572
•Setting up FC-FC routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 579
•Backbone fabric IDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 581
•FCIP tunnel configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 582
•Inter-fabric link configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583
•FC router port cost configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 587
•EX_Port frame trunking configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 589
•LSAN zone configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 590
•Proxy PID configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 603
•Fabric parameter considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 603
•Inter-fabric broadcast frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 604
•Resource monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 604
•FC-FC routing and Virtual Fabrics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 606
•Upgrade and downgrade considerations for FC-FC routing . . . . . . . . . . . . 609
•Displaying the range of output ports connected to xlate domains . . . . . . 609
FC-FC routing overview
The FC-FC routing service provides Fibre Channel routing between two or more fabrics without
merging those fabrics. For example, using FC-FC routing, you can 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.
Be aware that there are different routing terminologies in use:
• FC routing is only in a single fabric (Layer 2 routing). This type of routing is discussed in
Chapter 4, “Routing Traffic”.
• FC-FC routing is routing between two fabrics (Layer 3 routing) and is discussed in this chapter.
FC-FC routing supports connectivity between the following types of fabrics:
• Fabric OS and Fabric OS
• Fabric OS and Brocade Network OS
• Fabric OS and M-EOS