[OpenAFS] best way to debug windows 1.7.11 cache/rx/NAT problems?

Derrick Brashear shadow@gmail.com
Tue, 8 May 2012 15:42:37 -0400


On Tue, May 8, 2012 at 3:39 PM, Brandon Allbery <allbery.b@gmail.com> wrote:
> On Tue, May 8, 2012 at 2:27 PM, Derrick Brashear <shadow@gmail.com> wrote:
>>
>> the surprising thing is NAT ping should keep the port open unless
>> 1) the timeout interval is aggressively short, like, 20 seconds.
>> 2) there's a hard timeout on NAT at least for UDP where regardless of
>> use, you lose your timeout.
>
>
> 3) your NAT device has a very small table for UDP mappings, which at least
> some of the commercial boxes do; overflowing will cause mappings to be lost,
> typically in LRU fashion.

indeed, i forgot (to mention) that. but it happens.


-- 
Derrick