Internal Network - Hitachi Compute Blade 2000 User Manual

The MAINT port is for maintenance purposes

only and should not be used. Do not connect a
cable to this port as it will hinder servicing.
The ports on the standby management module

are normally closed, and are opened only if the
active management module fails or if the Link
Fault Tolerance feature is enabled. For details,
see Network configuration at management
module failover

Internal network

In addition to the management network, the Compute Blade 2000 has an internal
network built into the chassis.
The internal network is used for the following purposes:
 Control-related communication among the management modules
 Control-related communication between the management module and server
blade.
 Communication for the OS console between the management module and
server blade. See "CHCO command" in Chapter 6 for details.
 Connection to the Switch Module console (for details, see "Connection to the
Setup Terminal" in Chapter 7.)
 Smart configuration (for details, see
For these purposes, the Compute Blade 2000 uses a class C (subnet mask
255.255.255.0) network address as its internal network. This IP address cannot be
used on the Compute Blade 2000 management network or on the external network
reached from the Compute Blade 2000 management network. The IP address is
initially set as 192.168.253.0, and can be changed from the management module
console. For the procedure to change the IP address, see "Command List" or "List of
System Web Console Features" in Chapter 6.
Errors could occur if an address identical to the network address on the internal

network is used on Hitachi Compute Blade 2000 management network or the
external network reached from Hitachi Compute Blade 2000 management
network. Change the network address used on the internal network before
connecting the cables.
When you change the IP address used on the internal network, the

management module restarts automatically.
and Link Fault Tolerance
Smart Configure.)
NOTICE
1501
(LFT).