[173605] in North American Network Operators' Group
Re: Carrier Grade NAT
daemon@ATHENA.MIT.EDU (Simon Perreault)
Tue Jul 29 13:43:24 2014
X-Original-To: nanog@nanog.org
Date: Tue, 29 Jul 2014 13:40:04 -0400
From: Simon Perreault <simon@per.reau.lt>
To: Owen DeLong <owen@delong.com>, Robert Drake <rdrake@direcpath.com>
In-Reply-To: <AEFC0234-1B93-44C0-844B-1F2CEB62CB4D@delong.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
Le 2014-07-29 13:19, Owen DeLong a écrit :
>> Usually the window they give is ~ 3-5 seconds so they're pretty specific.
>
> This assumes that your log server and theirs are synchronized to an accurate time source within 3-5 seconds
Not really, since usually port blocks are not immediately reallocated to
a different user. There's some timeout involved. RFC 6888 recommends 120
seconds.
Simon
