Specifications

Starting With StarFabric:The StarFabric Connectivity Guide 21
Aurora’s StarFabric Family of Products
LEAF OPERATION
Setting the SG2010 bridge/gateway to Leaf operation means it is operating as a
downstream device from the Root device. It accepts all resets and fabric enumera-
tion from the Root device. PCI buses attached to Leaf interfaces are considered sec-
ondary or remote PCI buses, as shown in Figure 14.
FIGURE 14. Conceptual View of SG2010’s Root and Leaf Operation
StarFabric Routing Methods
StarFabric supports two methods of routing traffic through your application:
• Legacy PCI Routing
• StarFabric Native Path Routing
LEGACY PCI ROUTING
This includes legacy Address Routing where traffic is passed through the
StarFabric based on static addresses assigned during the enumeration process when
your application powers up. Address routing is typical PCI-to-PCI bridge operation
where the bridge translates between PCI frames and address routed frames.
Secondary
PCI Bus
Secondary
PCI Bus
The Root node enumerates
all the StarFabric devices in
the fabric. There can be only
one Root in the switch fabric.
Secondary
PCI Bus
Primary PCI
Bus