On 26/10/15 11:05, Heyi Guo wrote:
I'm using PXE BC protocol in MdeModulePkg (and other network protocols
in the same package), and we found PXE might fail when there are two
DHCP servers in the subnet, one for dedicated PXE boot and one general
DHCP server.

How can I resolve such issue?

Fix the network. Having two DHCP servers handing out conflicting information is not a valid network configuration, and will lead to undefined behaviour.

There are ways you could tweak the configuration to make it valid. For example: configure the PXE boot server to act as ProxyDHCP rather than DHCP (i.e. to hand out options, but not IP address leases).

Michael
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