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Running dhcp
2019-08-15, 21:59 (This post was last modified: 2019-08-15 22:06 by obie.)
Post: #1
Running dhcp
I'm running into issues with running 'dhcp' when starting up an iPXE script and trying to get access to the network.

Im running on a SeaBios on ASUS chromebox hardware.

The problem I run into when running dhcp is that it seems to lock up when running 'dhcp' with 'Waiting for link-up on net0'. It hangs there and I'm not able to Ctrl C to get out and waiting doesn't seem to help. It doesn't seem to fail either.

When running fstat, I get net0 .... closed + Link Down, and Link status: down (

When I'm running on the Developer console on the machine, I'm able to connect the network just fine but it seems that I can't from the BIOS/ iPXE script. I just cloned ipxe so I should be on the latest version. I'm on a tested/working ethernet connection.

Something to do with the network firmware?

Script in totality:

echo Ifstat results
  echo before dhcp
  echo After dhcp
  set base

  prompt -k 0x197e -t 2000 Press F12 to install CentOS... || exit
  kernel ${base}/images/pxeboot/vmlinuz initrd=initrd.img repo=${base}
  initrd ${base}/images/pxeboot/initrd.img

Thanks for your help.
Digging some more it seems like this is relevant

Is just polling and waiting on ifstat to report a good connection the solution? Or just putting in a wait?
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2019-08-20, 23:07
Post: #2
RE: Running dhcp
Missing info:
iPXE binary that you are using: (ie what is the build target) also are you sure that you are using the latest git master?
pciid of the nic.

some errors are normal to see from ifstat.

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