Re: TN5250 weirdness

[Charles Wilt <charles.wilt@xxxxxxxxx>]

IP address conflict with another device?

Turn off the PC and ping the PC's IP....

Charles

On Tue, Apr 10, 2018 at 5:46 PM, James H. H. Lampert <
jamesl@xxxxxxxxxxxxxxxxx> wrote:

> We've got a customer experiencing session crashes with our emulator. And
> they've called in IBM to look at it.
>
> The connections are, so far as I know, all Secured TN5250.
>
> The IBM representative saw indications that we were sending a
> 70-kilobyte(!!) encrypted packet, which they assumed was an insanely huge
> response to a "save" command.
>
> We've been having them do buffer-dumps, using diagnostic functions built
> into our emulator. I've gone through ten of them so far, NOTHING has (at
> least in unencrypted form) approached even a 2kb transmission: the longest
> save response so far has been 1132 bytes, and the longest read-MDT-fields
> response has been 1051 bytes.
>
> Which is to say that the crashes have occurred on both save commands and
> read-MDT-fields commands, and in one case, the timestamps tell me that the
> connection crashed BEFORE the emulator sent a response to the last chain
> received from the host.
>
> I'm stumped. Anybody know of something that could make an AS/400 think it
> was getting a 70k packet?
>
> --
> JHHL
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