Re: Network Pasthru

Eric, Marty,

To quote Maxwell Smart "I was afraid you were going to say that!"

Thanks anyway.

Roger Vicker, CCP

"DeLong, Eric" wrote:

> Marty and Roger,
>
> I don't think you'll have any luck with this. TCP/IP connections are point
> to point only, and as such, you'd need an IP address at the AS400 end to
> talk to the Express client. Even layering the protocols would require the
> AS400 to handle the TCP/IP communications. Express client emulates 5250 with
> the TN5250 protocol, which is a variation of Telnet, which is TCP/IP based.
> It will not talk to APPC. Sorry.
>
> Eric DeLong
>
> -----Original Message-----
> From: Urbanek, Marty [mailto:Marty_Urbanek@stercomm.com]
> Sent: Thursday, May 03, 2001 8:56 AM
> To: 'MIDRANGE-L@midrange.com'
> Subject: RE: Network Pasthru
>
> Roger,
>
> I am not familiar with using CA over twinax. If I understand what you're
> saying, your client's current connection from PC to V4R4 via twinax is SNA,
> therefore the APPN connection between the two 400s allows them to get a
> signon screen on V3R2 box without doing STRPASTHR. You would like to be able
> to continue to do this (without STRPASTHR) after the conversion to CAE and
> TCP/IP. The V3R2 box has no LAN connection, only SDLC to the V4R4 box.
>
> The only thing I can think of is it might be possible to do what you want
> with Anynet. If you were to configure Anynet between the 400s, it could
> encapsulate the TCP/IP traffic in SNA and pass it over the SDLC line. If the
> TCP/IP routing were set up appropriately on the V4R4 box, perhaps you could
> set up a CAE session with the IP address of the V3R2 box and the V4R4 box
> could route the TCP/IP traffic. You might also want to read about IP
> Forwarding, because I think that would play a part. I am only speculating
> about all this. Maybe someone with Anynet experience could comment on
> whether this would work.
>
> -Marty
>
> ------------------------------
>
> Date: Wed, 02 May 2001 14:43:58 -0500
> From: "Roger Vicker, CCP" <rvicker@vicker.com>
> Subject: Network Pasthru
>
> Hello,
>
> I will be moving a client from twinax and Client Access (V3R2M0) to CA
> Express (V4R4M0) in the near future. Right now with twinax they
> connect to two different i400s. The i400s are connected together with
> SDLC only. The connection specifies the second system as APPN so when
> the connection is requested it goes to the first system and it passes
> the connection to the second. Can CAE be configured to pass through
> one i400 via TCP and connect to the second one via SDLC or will they
> have to actually signon to the first and STRPASTHR to the second one?
> The first system is at V4R4M0 and the second is at V3R2M0 (I know, but
> is for history data in an application that would have cost a mint to
> move the license to a RISC model).
>
> Basically from:
> PC (CA)----Twinax----i400----SDLC----AS400
> to:
> PC (CAE)----Ethernet/TCP----i400----SDLC----AS400
>
> If this can be done without STRPASTHR please point me to the books as
> my searches have been frustrated so far.
>
> Thanks,
>
> Roger Vicker, CCP
>
> - --

--
*** Vicker Programming and Service *** Have bits will byte *** www.vicker.com 
***

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