[libvirt] [PATCH] bridge: Add --dhcp-no-override option to dnsmasq
Eric Blake
eblake at redhat.com
Wed Aug 11 19:49:14 UTC 2010
On 08/11/2010 12:41 PM, Jiri Denemark wrote:
> --dhcp-no-override description from dnsmasq man page:
>
> Disable re-use of the DHCP servername and filename fields as
> extra option space. If it can, dnsmasq moves the boot server and
> filename information (from dhcp-boot) out of their dedicated
> fields into DHCP options. This make extra space available in the
> DHCP packet for options but can, rarely, confuse old or broken
> clients. This flag forces "simple and safe" behaviour to avoid
> problems in such a case.
>
> It seems some virtual network card ROMs are this old/buggy so let's add
> --dhcp-no-override as a workaround for them. We don't use extra DHCP
> options so this should be safe.
> ---
> src/network/bridge_driver.c | 3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)
Are we guaranteed that --dhcp-no-override is supported as far back as
the earliest version of dnsmasq that we claim to run with, or do we need
to add some --help parsing?
Conditional ACK if we are happy that all versions of dnsmasq that we
care about can support this flag.
--
Eric Blake eblake at redhat.com +1-801-349-2682
Libvirt virtualization library http://libvirt.org
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