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CHAPTER
9
Troubleshooting Ethernet Hubs
The Sun StorEdge 3900 and 6900 series uses an Ethernet hub as the backbone for the
internal service network. The allocation of Ethernet ports are as follows:
■ 1—Storage Service Processor (per subsystem)
■ 1—for each Fibre Channel Switch
■ 1—for each Virtualization Engine
■ 2—for each Sun StorEdge T3+ array partner group
■ 1—for the Ethernet hub that is installed on the second Sun StorEdge Expansion
Cabinet in the Sun StorEdge 3960 and 6960 systems
Note – Information about LED Status lights, power information, and front panel
settings, can be found in the SuperStack 3 Baseline Hub 12-Port TP (3C16440A) and 24-
Port TP (3C16441A) User Guide, pn: DUA1644-0AAA03. This is a 3COM document.
Log in to http://www.3com.com to access the documentation.