[ntp:questions] Trouble with XP IPv6 ntp client (still unable to connect to link local ntp server)

Cindy Huyser chuyser at io.com
Sat Aug 7 02:30:46 UTC 2010


On Aug 6, 8:17 pm, Danny Mayer <ma... at ntp.org> wrote:
> On 8/6/2010 12:29 PM, Cindy Huyser wrote:
>
>
>
> > Using a packet sniffer, I verified that no traffic addressed to the
> > server (or coming from it) is going across the ethernet interface when
> > my configuration file specifies the IPv6 server. I also verified that
> > I saw ICMPv6 packets going across when I pinged the server, along with
> > the neighbor solicitation and advertisement. The server is in the XP
> > host's destination cache, and also is listed in the "neighbors" list.
> > I'm puzzled as to why there's not even an attempt at neighbor
> > discovery.
>
> > Maybe the trouble shows up in the line "findlocalinterface: kernel
> > maps fe80::290:fbff:fe80:6aff to ::", and the subsequent use of the
> > wildcard (or maybe not -- the address for the server is not local to
> > the host, but the host should be able to figure out that it needs to
> > send a neighbor discovery solicitation from it single ethernet
> > interface!). Can anyone out there shed any light on this?
>
> Correct, it should not be using the wildcard address. Can you give again
> your configuration file, at least the server lines? I have an idea about
> this and I just want to be able to check. If so, I may be able to tell
> you what's wrong.
>
> Danny
>
> > Thanks again,
> > Cindy

My configuration file is very simple:

driftfile       "C:\Windows\Temp\ntp.drift"
broadcastdelay  0.008

logfile         "C:\Windows\Temp\ntp.log"

server -6 fe80::290:fbff:fe80:6aff%4 minpoll 4 maxpoll 5 iburst prefer

Cindy




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