[Dnsmasq-discuss] dnsmasq sending truncated DHCPv6 packets

Geert Stappers stappers at stappers.nl
Mon Dec 2 17:50:00 GMT 2019


On Mon, Dec 02, 2019 at 11:10:52AM +0000, Derek Higgins wrote:
> On Fri, 29 Nov 2019 at 17:23, Geert Stappers <stappers at stappers.nl> wrote:
> >
> > On Fri, Nov 29, 2019 at 03:55:17PM +0000, Derek Higgins wrote:
> > > Hi,
> > >
> ...
> > > 14:11:44.843012 00:93:12:a1:39:68 > 33:33:00:01:00:02, ethertype IPv6 (0x86dd), length 116: fe80::293:12ff:fea1:3968.546 > ff02::1:2.547: dhcp6 solicit
> > > 14:11:44.843247 52:54:00:96:ef:51 > 00:93:12:a1:39:68, ethertype IPv6 (0x86dd), length 168: fe80::5710:879f:72e4:7b41.547 > fe80::293:12ff:fea1:3968.546: dhcp6 advertise
> ...
> > >
> > > I'm using dnsmasq-2.76-10.el7_7.1 on CentOS 7.7.1908 running in a container
> >
> > And what is at client side?
> >
> 
> I forgot to mention that the clients are VM's using UEFI firmware, so
> the client I believe would be one of two options
> 1. The DHCP client that is part of the OVMF package
> 2. The DHCP client that is part of iPXE (if the error happened after iPXE chainloaded)


Please enlighten me or us, this mailinglist, why  I / we see ' > 33:33:00:01:00:02 '
where I would expect to see ' > ff:ff:ff:ff:ff:ff '  (ethernet broadcast)


Regards
Geert Stappers



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