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6.1.1 BMC connectivity
The BMC is accessible in the following ways:
An in-band communication through the IPMB to the RSA2 interface to enable
a simple Web interface to control the server without having a management
server, which watches the x3850 M2 and x3950 M2 server systems.
An in-band communication through the BMC driver interface. Any system
management software or utility, which you installed in the operation system or
is part of any operating system vendor, can communicate with the BMC.
The BMC is capable of network access through Ethernet port 1. The BMC
supports 10/100Mb/s full duplex negotiation. NIC port 1 allows access also to
an internal 1 Gbps Broadcom interface.
Tip: The switch configuration in your network environment should allow
two MAC addresses on the switch port, which is connected to NIC port 1
on each x3850 M2 and x3950 M2, to gain access to the BMC and the NIC
interface.
The switch port should allow different port speeds and negotiation modes
to guarantee the Broadcom network interface at 1 Gbps and the BMC at
the 10/100Mb/s rate is still working after the operating system is loaded.
6.1.2 BMC LAN configuration in BIOS
By default, the BMC is configured with the following defaults:
IP address: 10.1.1.97
Subnet 255.0.0.0.
You can change the IP settings in the server BIOS, as follows:
1. Boot or reset the server and press F1 when prompted to enter Setup.
2. Select the Advanced Setup → Baseboard Management Controller (BMC)
Settings. The BMC menu is shown in Figure 6-1 on page 303.
302
Planning, Installing, and Managing the IBM System x3950 M2
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