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 (Your server is in
stratum ). Is your server configured properly? Is public access allowed?
If you just restarted your ntpd, then it might still be stabilizing the
timesources - try again in 10-20 minutes.
The server reports as stable and synced to the upstream stratum 1
clocks when I query it.
I've created an ACL rule to log NTP packets, as well as turned on NTP
packet debugging, on the world facing interfaces of my edge router and I
see packets coming in from the monitoring server and being sent back
out:
Nov 27 2012 14:25:18.360: %IPV6_ACL-6-ACCESSLOGP: list
Tunnel0-Inbound/800 permitted udp 2607:XXXX:X::XX(51237) ->
2001:XXX:X:XXX::X(123), 1 packet
Nov 27 19:25:18.360: NTP message received from 2607:XXXX:X::XX on
interface 'Tunnel0', (2001:XXX:X:XXX::X), table 0.
Nov 27 19:25:18.364: NTP IPv6 message sent to 2607:XXXX:X::XX, from
2001:XXX:X:XXX::X, table = 0, interface Tunnel0.
Thanks,
Jay
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