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OpenDNS CGNAT Issues
Sureâ?¦ The point was that short of that, anyone in their right mind wouldnâ??t bother.
Owen
> On Sep 12, 2018, at 7:10 AM, Kenny Taylor <kenny.taylor at kccd.edu> wrote:
>
> For a truckload of gold, Iâ??m pretty sure most of us would make that work J
>
> Kenny
>
> From: NANOG <nanog-bounces+kenny.taylor=kccd.edu at nanog.org <mailto:nanog-bounces+kenny.taylor=kccd.edu at nanog.org>> On Behalf Of Owen DeLong
> Sent: Tuesday, September 11, 2018 10:04 PM
> To: Christopher Morrow <morrowc.lists at gmail.com <mailto:morrowc.lists at gmail.com>>
> Cc: nanog list <nanog at nanog.org <mailto:nanog at nanog.org>>
> Subject: Re: OpenDNS CGNAT Issues
>
>
>
>
> On Sep 11, 2018, at 21:58 , Christopher Morrow <morrowc.lists at gmail.com <mailto:morrowc.lists at gmail.com>> wrote:
>
>
>
> On Tue, Sep 11, 2018 at 9:06 PM Jerry Cloe <jerry at jtcloe.net <mailto:jerry at jtcloe.net>> wrote:
> OpenDNS, or anyone for that matter, should never see 100.64/10 ip's. If they do, something is wrong at the source, and OpenDNS wouldn't be able to reply anyway (or at least have the reply route back to the user).
>
> maybeopendns peers directly with such an eyeball network? and in that case maybe they have an agreement to accept traffic from the 100.64 space?
>
> Theyâ??d only be able to do one such agreement per routing environment.
>
> Managing that would be _UGLY_ for the first one and __UGLY__ at scale for anything more than one.
>
> It also pretty much eliminates potential for geographic diversity and anycast for a provider in a local geography.
>
> Certainly not something Iâ??d choose to do if I were OpenDNS unless someone arrived with a very large truck full of gold, diamonds, or other valuable hard assets.
>
> Owen
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