[Bug 2032825] Re: classless routes served by DHCP not in installer/BusyBox

[Steve Langasek]

Note that Ubuntu 23.10 has switched its initramfs dhcp implementation
from isc-dhcp-client to dhcpcd.  Would be useful to check whether this
bug still applies.

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https://bugs.launchpad.net/bugs/2032825

Title:
  classless routes served by DHCP not in installer/BusyBox

Status in casper package in Ubuntu:
  Incomplete
Status in isc-dhcp package in Ubuntu:
  Incomplete

Bug description:
  Hi,

  we have many installation with two or more network interfaces. The
  standard ist classless routes DHCP Option 121. This ist functional for
  SLES und RHEL Installations, but not for ubuntu installation.

  The bug ist with all version of ubuntu, namely we use currently
  ubuntu20 LTS and ubuntu22 LTS.

  After PXE booting, kernel und initial Ramdisk, the installer become IP
  and Nameserver and so on, but not a default GW IP, because of
  classless. So this installation cannot reach other server, for example
  foreman.

  Please fix this in BusyBox, this bug ist open for serveral years.

  Hope for a fast response,

  Hartmut Koptein

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