Fujitsu ETERNUS DX80 S2 User's Manual & Installation Instructions page 24

Chapter 1 Preparation
1.1 Connection Preparation
*1: Only the following functions are available:
-
Checking the ETERNUS DX Disk storage system status
-
Switching the Master CM
*2: May use either the MNT port or RMT port.
*3: Modifiable
For details on the port numbers for the Storage Foundation Software ETERNUS SF, refer to the manual of each
Storage Foundation Software ETERNUS SF.
■ Communication modes
The default LAN operation mode is "Auto Negotiation" which allows the ETERNUS DX Disk storage system to
automatically recognize 1000Base-T/100Base-TX/10Base-T and Full/Half-Duplex connections. However, some
devices may require that a fixed communication mode be set.
■ Notes on using LAN switches
When the LAN switch that is to be used has the Spanning Tree Protocol (STP) function enabled, connection to
the ETERNUS DX Disk storage system may fail. Use the following settings to disable the STP function:
• When the STP function is not necessary for the network configuration:
Disable the STP function of the LAN switch.
• When the STP function is necessary for the network configuration:
Disable the STP function of the LAN switch port only for the ETERNUS DX Disk storage system connection or
perform the Port-Fast setting.
ETERNUS DX80 S2/DX90 S2 Disk storage system User's Guide -Installation-
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