On 17/04/13 20:14, AlbyVA wrote: > > > I would add that I doubt the HE Tunnel is at issue. I also have an HE > v6 tunnel that is listed > in the ntp pool and it is working. > > http://www.pool.ntp.org/scores/2001:470:8:104::2 > > I will say this... You need to keep some level of v6 traffic always > flowing over the tunnel or your > v6 route vanishes from the global routing pool. Not sure if its just > an idle tunnel causing it or what, > but once I setup a couple pingv6 cronjobs to a few unwilling > participants like www.google.com <http://www.google.com>, > I insured that my tunnel would always have a minimum level of v6 traffic. > > -Alby > > > > > On Wed, Apr 17, 2013 at 2:54 PM, Ask Bjørn Hansen <[email protected] > <mailto:[email protected]>> wrote: > > > > On Tuesday, November 27, 2012 at 11:48, [email protected] > <mailto:[email protected]> wrote: > > > I'm attempt to add an IPv6 enabled NTP host on a HE tunnel, but the > > monitoring system is rejecting it when I submit it with the > following > > error: > > > > Invalid stratum response from 2001:XXX:X:XXX::X > > Hi Jay, > > Did you get this to work? > > > Ask > > > _______________________________________________ > pool mailing list > [email protected] <mailto:[email protected]> > http://lists.ntp.org/listinfo/pool > > > > > _______________________________________________ > pool mailing list > [email protected] > http://lists.ntp.org/listinfo/pool The symptom you describe is not so much an issue with the V6 route as the V4 route, specifically NAT table entries on routers tend to cause this, NAT is stateful and as a result only a certain number of mappings can exist at once thus the dynamic mappings created when your internal host communicates with servers outside like the tunnel server are deleted if there is no activity for a prolonged period usually anywhere between 10 and 60 minutes depends how the routers sysctl settings are set up which normally are not changable unless you are lucky enough to have a router with proper telnet access.
Try it on a box without NAT in the way and the issue disappears.
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