how could get PXE boot device like anaconda's 'ksdevice=bootif' option

[耳东]

hi guys, I have make a customed livecd with 'livecd-creator'.
in the livecd root file system, there was no network config like:

/etc/sysconfig/network-scripts/ifcfg-eth*

because pxe network device of servers were possible 'eth0' or 'eth1'
according to the linked cable.
how could I get the pxe boot network device like anaconda's
'ksdevice=bootif' option.
So I could get dhcp IP with 'dhclient <bootif_device>' in my init script.

thanks.

[Vratislav Podzimek]

On Tue, 2014-10-14 at 19:21 +0800, 耳东 wrote:
> hi guys, I have make a customed livecd with 'livecd-creator'.
> in the livecd root file system, there was no network config like:
> /etc/sysconfig/network-scripts/ifcfg-eth*
>
> because pxe network device of servers were possible 'eth0' or 'eth1'
> according to the linked cable.
> how could I get the pxe boot network device like anaconda's
> 'ksdevice=bootif' option.
> So I could get dhcp IP with 'dhclient <bootif_device>' in my init
> script.

Hi,
you need to add the 'ipappend 2' line to your PXE boot configuration
after the 'append ...' line. That will result in a 'BOOTIF
MAC-ADDR-OF-BOOT-NIC' boot option added which can then be read from
the /proc/cmdline file and processed. You'll then need to match the MAC
address with to some NIC.

Hope that helps,

[耳东]

@Vratislav Podzimek

thanks a lot, it works.

2014-10-15 16:52 GMT+08:00 Vratislav Podzimek :
> On Tue, 2014-10-14 at 19:21 +0800, 耳东 wrote:
> > hi guys, I have make a customed livecd with 'livecd-creator'.
> > in the livecd root file system, there was no network config like:
> > /etc/sysconfig/network-scripts/ifcfg-eth*
> >
> > because pxe network device of servers were possible 'eth0' or 'eth1'
> > according to the linked cable.
> > how could I get the pxe boot network device like anaconda's
> > 'ksdevice=bootif' option.
> > So I could get dhcp IP with 'dhclient <bootif_device>' in my init
> > script.
>
> Hi,
> you need to add the 'ipappend 2' line to your PXE boot configuration
> after the 'append ...' line. That will result in a 'BOOTIF
> MAC-ADDR-OF-BOOT-NIC' boot option added which can then be read from
> the /proc/cmdline file and processed. You'll then need to match the MAC
> address with to some NIC.
>
> Hope that helps,
>
> --
> Vratislav Podzimek
>
> Anaconda Rider | Red Hat, Inc. | Brno - Czech Republic
>
> Anaconda-devel-list mailing list
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