[bug #66062] Fail to download grub.cfg when install linux OSes via PXE and vlan

song <[email protected]> Mon, 5 Aug 2024 08:34:31 -0400 (EDT)

Newsgroups	gmane.comp.boot-loaders.grub.bugs
Message-ID	<[email protected]>

URL:
  <https://savannah.gnu.org/bugs/?66062>

                 Summary: Fail to download grub.cfg when install linux OSes
via PXE and vlan
                   Group: GNU GRUB
               Submitter: shangsong
               Submitted: Mon 05 Aug 2024 12:34:29 PM UTC
                Category: Network
                Severity: Major
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: Git master
                 Release: 
         Reproducibility: Every Time
         Planned Release: None


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Follow-up Comments:


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Date: Mon 05 Aug 2024 12:34:29 PM UTC By: song <shangsong>
Reproduct steps:
1. Fresh install RHEL 9.4/8.5 as PXE server
2. Setup the following services according to Red Hat document:
    DHCP, tftp, httpd
3. Setup a SUT(ThinkSystem SR850 V3) to connect the PXE server via a switcher
without VLAN, the Linux OSes can be deployed successfully
4. If the switcher have a VLAN(The network port of SUT have same VLAN ID), the
grubx64.efi can be downloaded successfully, but does not download grub.cfg

The failure of step4 occurs on a server with Intel network card(Such as
I350/x710) , but it can pass with a Broadcom network card.

It have same issue after compiling the latest grub source code.

Please help to confirm if is this a issue or the feature is not ready, thanks.







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