A network boot option will appear in the boot options menu when the UEFI PXE network stack and Intel UEFI
network driver have been loaded. Selecting this
boot option will initiate a PXE network boot.
Configuring UEFI Network Stack for TCP/UDP/MTFTP
An IP-based network stack is available to applications requiring IP-based network protocols such as TCP,
UDP, or MTFTP. The following UEFI network drivers must be built into the UEFI platform implementation to
enable this stack: SNP (Simple Network Protocol), MNP (Managed Network Protocol), ARP, DHCP4, IPv4,
ip4config, TCPv4, UDPv4, and MTFTPv4. These drivers will show up in the UEFI "drivers" command output
if they are included in the platform UEFI implementation:
DRV VERSION TYPE CFG DIAG #D #C DRIVER NAME IMAGE
NAME
F5 00000010 D - - 2 - IP4 CONFIG Network Ser-
vice Driver
Ip4Config
F7 00000010 D - - 2 - Simple Network Protocol
Driver
SNP
F8 00000010 D - - 2 - ARP Network Service Driver Arp
F9 00000010 D - - 2 - Tcp Network Service Driver Tcp4
FA 00000010 D - - 2 - IP4 Network Service Driver Ip4
FB 00000010 D - - 2 - DHCP Protocol Driver Dhcp4
FC 00000010 D - - 6 - UDP Network Service Driver Udp4
FD 00000010 D - - 2 - MTFTP4 Network Service Mtftp4
FE 00000010 B - - 2 6 MNP Network Service Driver /mnp.efi
FF 03099900 B X X 2 2 Intel(R) Network Connection
3.0.00
/e3000e2.efi
The ifconfig UEFI shell command must be used to configure each network interface. Running "ifconfig -?"
from the UEFI shell will display usage instructions for ifconfig.
Unloading the UEFI Network Driver
To unload a network driver from memory the UEFI "unload" command is used. The syntax for using the unload
command is as follows: "unload [driver handle]", where driver handle is the number assigned to the driver in
the far left column of the "drivers" output screen.
Force Speed and Duplex
The UEFI network driver supports forced speed and duplex capability. The force speed and duplex menu can
be accessed with UEFI shell command "drvcfg":
drvcfg -s [driver handle] [control handle]
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