[ntp:questions] monitoring symmetric peers

Danny Mayer mayer at ntp.org
Sun Jul 18 16:54:34 UTC 2010

On 7/14/2010 3:49 AM, Kostas Magkos wrote:
> Dave Hart wrote:
>> On Tue, Jul 13, 2010 at 09:22 UTC, Kostas Magkos
>> <kmag at islab.demokritos.gr> wrote:
>>> But what about symmetrical peering? I cannot verify this association.
>>> For example, when I query the servers for their peers with ntpq (ntpq
>>> -p) they give out a 'u' (in the 't' column) for each other. Shouldn't
>>> there be a 's' code, as in symmetric peer?
>> Please see http://bugs.ntp.org/1338.  As noted there, the type column
>> in the peers billboard (ntpq -p) was pretty screwed up prior to
>> 4.2.7p14.  So, yes, if you use a recent 4.2.7 (ntp-dev) tarball, there
>> should be a "s" code.  Your OS is using ntpd 4.2.2 circa June 2006, so
>> in about four years, you should see your type column improve.
> Hi Dave,
> Thanks for the info. You've got me thinking, that maybe its time to give
> up on the debian stock version...

Steve has been regularly packaging up the Debian builds. I don't know
any details but he should be able to comment more on this.


> What other options are there to monitor the state of symmetric peers?
> How can I be sure the peering works?
> Thanks in advance,
> Kostas

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