At least the c1f one does not look like EUI-64 and thus rather like
Windows using IPv6 privacy addresses. For the third line it would be
helpful to see the output of "ip -6 addr", but it's also possible that
it's not the Linux box but another one on the segment.
On Sat, Mar 06, 2010 at 09:13:38AM -0000, Ricardo Fernández wrote: dc31:a82c: 435e.57503 > ff02::c.1900: UDP, length 146 dc31:a82c: 435e.57503 > ff02::c.1900: UDP, length 146 69ff:fe65: da00 > ip6-allrouters: ICMP6, router solicitation, length 16 dc31:a82c: 435e.546 > ff02::1:2.547: dhcp6 solicit
> 04:34:16.007477 IP6 fe80::c1f:
> 04:34:19.913100 IP6 fe80::c1f:
> 04:34:20.409483 IP6 fe80::226:
> 04:38:04.515848 IP6 fe80::c1f:
At least the c1f one does not look like EUI-64 and thus rather like
Windows using IPv6 privacy addresses. For the third line it would be
helpful to see the output of "ip -6 addr", but it's also possible that
it's not the Linux box but another one on the segment.
Kind regards,
Philipp Kern