On 03/29/2017 07:13 PM, Kurt H Maier wrote:
On Wed, Mar 29, 2017 at 02:48:48PM +0200, Floris Bos wrote:
The PXE boot firmware implementation of the Raspberry Pi 3
has a bug causing it to fail if it receives replies
instantly.

As a workaround ensure there is a minimum delay of one
second if the client is a Pi.

On Linux it looks up the exact receive time of the UDP
packet with the SIOCGSTAMP ioctl to prevent multiple
delays if multiple packets come in around the same time,
or if there already was a delay caused by a ping check.
Why not have a configurable dhcp-delay setting instead of putting
device-specific quirks into the source code of dnsmasq forever?

That was my first proposal.
But there was opposition against introducing extra options.

http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2017q1/011336.html


Yours sincerely,

Floris Bos


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