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Re: [Ntp] Microbursts of NTP packets

Ask Bjørn Hansen <ask@develooper.com> Tue, 18 August 2020 02:44 UTC

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From: Ask Bjørn Hansen <ask@develooper.com>
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Date: Mon, 17 Aug 2020 19:44:20 -0700
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To: Watson Ladd <watsonbladd@gmail.com>
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Subject: Re: [Ntp] Microbursts of NTP packets
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> On Aug 17, 2020, at 18:20, Watson Ladd <watsonbladd@gmail.com> wrote:
> 
> We're observing short bursts of high numbers of NTP queries at one
> point of presence, exceeding the queue length of the listening ntp
> socket, and leading to drops. The bursts are very short, so the
> overall qps is nothing special. I'm quite mystified as to what the
> possible causes could be.

What are the times this happens and do they have a common set of source IPs or ASNs?

The NTP Pool community site might have similar or related data from other NTP operators.


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