Technical Product Specification

Intel® Remote Management Module IntelP®P RMM Network Connections and Authentication
5.1.2 Supported Traffic
All Intel l
®
RMM - Virtual Server Control and Intel
®
RMM - Virtual
Media traffic is supported on this dedicated 10/100 Ethernet interface. IPMI traffic to the BMC is
supported over the following three LAN interfaces
the BMC (if enabled)
The two “host shared” network interfaces within the BMC are shared with the host system
software data path. The host traffic and management traffic are handled separately. The BMC
and e nt traffic.
The o nd the system management firmware will
use a separate MAC address per NIC. The embedded NIC devices within the BMC will each
maintain two MAC addresses: one for use by the host for host traffic and another for the
ement
ing
forwards UDP/IP RMCP and RMCP+
(IPMI) traffic to the baseboard BMC via the FML interface.
d in the process.
N type
signals on the Intel
®
ASMI connector. Pull-up resistors on these signals will indicate that No
GMC3 is installed. Otherwise, the Intel
®
RMM NIC grounds the LAN Type 1 signal. An RMII type
PHY is not being implemented at this time.
®
RMM - Web Console, Inte
 Two LAN channels embedded in
 One dedicated NIC on the Intel
®
RMM
5.1.2.1 “Host Shared” Network Interfaces
th Intel
®
RMM handle only manageme
h st system uses one MAC address per NIC a
management traffic generated and consumed by the BMC. This management traffic will
generally be IPMI traffic.
An additional management MAC and IP address is associated with the dedicated manag
NIC on board the Intel
®
RMM. Over this NIC, the Intel
®
RMM takes over receipt of incom
TCP/IP and UDP/IP network traffic. The Intel
®
RMM then
Once the AC power of the motherboard becomes stable, the Intel
®
RMM automatically initiates
a determination of the network mode and an initialization of the relevant link. This multi-stage
process can be initiated at any time by the Intel
®
RMM or BMC via IPMI commands. Messages
across the IPMB bus and OEM IPMI commands are use
The Intel
®
RMM can sense if the Intel
®
RMM NIC is installed by decoding the two LA
Table 13. Signals
LAN Type 2 LAN Type 1
PHY - RMII type 0 0
PHY - MII type 0 1
Reserved 1 0
No private management LAN 1 1
Once the network mode is determined, the Intel
®
RMM initializes the network device.
Revision 1.0
35