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64 Configuration Software and Utilities

65MAXDATA PLATINUM 90002R Server System

Default LAN Conguration Settings Set by the SMU

The SMU automatically congures some server management rmware settings. These are not

displayed on the screen above, but are listed below. Before these settings are set by the SMU, you

must click through each LAN conguration screen by clicking the Next button until you reach the Save

button on the nal LAN conguration screen.

• Gratuitous ARPs may be enabled: This setting allows the BMC to generate gratuitous ARPs,

which provides a mechanism for IP devices to locate the hardware addresses of other devices

on the local network. If the server has a valid IP address and the LAN channel is enabled for

messaging (the access mode is not set to Disabled) or alerting, then gratuitous ARPs are

enabled.

• Authentication enables are enabled: These bits dene what types of authentication are enabled

to authenticate messages sent to the BMC by users of different privilege levels. The SMU

enables authentication of type straight password, MD2, MD5, and none.

• User-level authentication is disabled: The SMU disables user-level authentication so that if a

user is attached with a privilege level of User, no authentication is done on messages sent to or

from the BMC. This improves the session performance.

Access Mode

This drop-down box congures the access mode for the LAN channel. The available options are:

• Always Available: The channel is dedicated to communication with the BMC and is available

during all system states (powered-down, powered-up, pre-boot, sleep, run-time, etc.).

• Disabled: The channel is not allowed to communicate with the BMC.

Privilege Level Limit

This drop-down box determines the maximum privilege level at which communication on the channel

can take place. It is a global privilege level that takes precedence over user privilege levels. For example,

if a channel privilege level is set to the user level then only user-level commands can be executed,

regardless of the user privilege level.

The meanings of the different privilege levels are described below:

• Callback: Only commands needed to initiate a callback session are allowed. Although ISM

software does not support callback as a connection mechanism, it is still a valid privilege level

because it denes a set of BMC commands that can be executed by a user.

• User: Only “benign” commands are allowed. These are primarily commands that read data

structures and retrieve status. Commands that can be used to alter BMC conguration, write

data to the BMC or other management controllers, or perform system actions such as resets,

power on/off, and watchdog activation are disallowed.

• Operator: All BMC commands are allowed, except for conguration commands that can change

the behavior of the out-of-band interfaces. For example, Operator privilege does not allow the

capability to disable individual channels, or to change user access privileges.

• Administrator: All BMC commands are allowed, including conguration commands. An

adminstrator can execute conguration commands that would disable the channel that the

Administrator is communicating over.

Enable DHCP

The Enable Dynamic Host Conguration Protocol (DHCP) check box enables / disables the dynamic

host conguration protocol to allow the server to automatically assign the Host IP address, Default

Gateway IP address and Subnet Mask. DHCP is enabled when the box is checked.

When this option is enabled, the Host IP Address, Subnet Mask, and Default Gateway IP Address

edit boxes are disabled. The system must be reset before this setting takes effect.

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