Brocade Fabric OS Administrators Guide (Supporting Fabric OS v7.3.0) - Manual (Page 537)

FIGURE 83 A metaSAN with edge-to-edge and backbone fabrics and LSAN zones
• Proxy device
A proxy device is a virtual device imported into a fabric by a Fibre Channel router, and represents a
real device on another fabric. It has a name server entry and is assigned a valid port ID. When a
proxy device is created in a fabric, the real Fibre Channel device is considered to be imported into
this fabric. The presence of a proxy device is required for inter-fabric device communication. Refer to
Proxy devices on page 539 for additional information about proxy devices.
• Proxy PID
A proxy PID is the port ID (PID) of the proxy device. The proxy device appears to the fabric as a real
Fibre Channel device, has a name server entry, and is assigned a valid port ID. The port ID is
relevant only on the fabric in which the proxy device has been created.
• Fabric ID (FID)
Every EX_Port and VEX_Port uses the fabric ID (FID) to identify the fabric at the opposite end of the
inter-fabric link. The FID for every edge fabric must be unique from the perspective of each backbone
fabric.
• If multiple EX_Ports (or multiple VEX_Ports) are attached to the same edge fabric, they must be
configured with the same FID.
• If EX_Ports and VEX_Ports are attached to different edge fabrics, they must be configured with a
unique FID for each edge fabric.
NOTE
Backbone fabrics that share connections to the same edge fabrics must have unique backbone fabric
IDs.
Using FC-FC Routing to Connect Fabrics
Fabric OS Administrators Guide 537
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