Tim Gardner tim.gardner at
Mon Aug 10 12:19:21 UTC 2009

Andy Whitcroft wrote:
> During a config review we noted that CONFIG_IP_PNP is set for all sparc
> flavours.  Generally this perceived as a bad option to have enabled if
> you have user level dynamic IP handling such as dhclient et al.  I
> wanted to check there was no specific reason for this to be enabled
> before zapping it on sparc.
> Comments?
> -apw

After looking at net/ipv4/ipconfig.c it appears the default (when
CONFIG_IP_PNP=y) is to auto configure IP addresses. You need to supply a
kernel command line option 'ip=none' in order to disable this
functionality. I'm pretty sure it should be disabled for all of the
distro kernels.

Tim Gardner tim.gardner at

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