Intel® Server Board S1200SP Family Technical Product Specification
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6.11.3.5 BMC IP Address Configuration
Enabling the BMC’s network interfaces requires using the Set LAN Configuration Parameter command to
configure LAN configuration parameter 4, IP Address Source. The BMC supports this parameter as follows:
• 1h, static address (manually configured): Supported on all management NICs. This is the BMC’s default
value.
• 2h, address obtained by BMC running DHCP: Supported only on embedded management NICs.
IP Address Source value 4h, address obtained by BMC running other address assignment protocol, is not
supported on any management NIC.
Attempting to set an unsupported IP address source value has no effect, and the BMC returns error code 0xCC,
Invalid data field-in request. Note that values 0h and 3h are no longer supported, and will return a 0xCC error
completion code.
6.11.3.5.1 Static IP Address (IP Address Source Values 0h, 1h, and 3h)
The BMC supports static IP address assignment on all of its management NICs. The IP address source
parameter must be set to static before the IP address; the subnet mask or gateway address can be manually
set.
The BMC takes no special action when the following IP address source is specified as the IP address source for
any management NIC: 1h – Static address (manually configured).
The Set LAN Configuration Parameter command must be used to configure LAN configuration parameter 3, IP
Address, with an appropriate value.
The BIOS does not monitor the value of this parameter, and it does not execute DHCP for the BMC under any
circumstances, regardless of the BMC configuration.
6.11.3.5.2 Static LAN Configuration Parameters
When the IP Address Configuration parameter is set to 01h (static), the following parameters may be changed
by the user:
• LAN configuration parameter 3 (IP Address)
• LAN configuration parameter 6 (Subnet Mask)
• LAN configuration parameter 12 (Default Gateway Address)
When changing from DHCP to Static configuration, the initial values of these three parameters will be
equivalent to the existing DHCP-set parameters. Additionally, the BMC observes the following network safety
precautions:
1. The user may only set a subnet mask that is valid, per IPv4 and RFC 950 (Internet Standard Subnetting
Procedure). Invalid subnet values return a 0xCC (Invalid Data Field in Request) completion code, and the
subnet mask is not set. If no valid mask has been previously set, default subnet mask is 0.0.0.0.
2. The user may only set a default gateway address that can potentially exist within the subnet specified
above. Default gateway addresses outside the BMC’s subnet are technically unreachable and the BMC will
not set the default gateway address to an unreachable value. The BMC returns a 0xCC (Invalid Data Field
in Request) completion code for default gateway addresses outside its subnet.
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