Booting a system through the network for installation takes several minutes when having multiple network interfaces

Solution Verified - Updated -

Issue

  • Since RHEL8.9, booting a system through the network with no ip parameter specified or with just using ip=dhcp takes several minutes, especially when the system have multiple network interfaces

  • Until RHEL8.8 included, the boot was fast

Environment

  • Red Hat Enterprise Linux 8.9 and later
    • anaconda
    • network boot (PXE)

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