[193888] in North American Network Operators' Group
Re: Consumer networking head scratcher
daemon@ATHENA.MIT.EDU (Chuck Anderson)
Thu Mar 2 00:45:18 2017
X-Original-To: nanog@nanog.org
Date: Thu, 2 Mar 2017 00:45:14 -0500
From: Chuck Anderson <cra@WPI.EDU>
To: nanog@nanog.org
Mail-Followup-To: nanog@nanog.org
In-Reply-To: <967E3441-E0A4-42DD-A424-DF97C19D5560@arbor.net>
Errors-To: nanog-bounces@nanog.org
On Thu, Mar 02, 2017 at 12:24:38PM +0700, Roland Dobbins wrote:
> On 2 Mar 2017, at 9:55, Oliver O'Boyle wrote:
>
> >Currently, I have 3 devices connected. :)
>
> What about DNS issues? Are you sure that you really have a
> networking issue, or are you having intermittent DNS resolution
> problems caused by flaky/overloaded/attacked recursivs, EDNS0
This reminded me of another possibility related to NAT table
exhaustion. Are you running a full recursive resolver on a system
behind the NAT? Especially one like unbound possibly w/dnssec? I had
some strange issues caused during the time when unbound was priming
its cache from a cold start...
