[ntp:questions] Re: What does 220.127.116.11 refer to?
mayer at ntp.isc.org
Thu Nov 10 03:28:30 UTC 2005
Martin Burnicki wrote:
> Heiko Gerstung wrote:
>>>I see "18.104.22.168" as the refid for the local clock on one of my
>>>machines (running Fedora Core 4 Linux, if that helps), and I can't figure
>>>out where it gets that from, nor what it means.
>>73 is the ASCII code for "I", 78 is "N", another 73 "I" and finally 84
>>stands for "T"... therefore 22.214.171.124 is "INIT"... there was a bug in
>>certain versions of NTP where the refid of the LOCALCLK driver was not
>>set correctly. If you really care about that, you can fudge the refid to
The refid should NOT be fudgeable, it's meant for loop prevention.
>>IIRC it was only a display problem and had no other
> .. beside the fact that ntpq may try to do DNS reverse lookups on that
> number, which will not give any useful result, but introduce delays until
> the DNS query times out:
> # host 126.96.36.199
> Host 188.8.131.52.in-addr.arpa not found: 2(SERVFAIL)
It shouldn't, it's the refid and not an IPv4 address.
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