HP Fabric Clustering System HP-UX Administrator's Guide, March 2008

The following example yields a 50% non-blocking configuration for 128 nodes using (11) 24-port
switches.
Figure 5-3 128 Node 50% non-Blocking Configuration
(3) Spline-level Switches
Total (11) 24-Port Switches, 640 Gbps full duplicate fabric bandwidth
(8) Leaf-level Switches
Connect to 16
Nodes per Switch
Connect to 16
Nodes per Switch
Configuration results in 128 Nodes
The following example yields a fully non-blocking configuration for 132 nodes using (17) 24-port
switches.
Figure 5-4 132 Node Fully non-Blocking Configuration
(6) Spline-level Switches
Total (17) 24-Port Switches, 1280 Gbps full duplicate fabric bandwidth
(11) Leaf-level Switches
Connect to 12
Nodes per Switch
Connect to 12
Nodes per Switch
Configuration results in 132 Nodes
54 Configuration