Hello, we want to connect a RS/6000 with Application Access to a host
using X.25.
Actually we have the following configuration:
+--------------+ +-----------------+ AS/400(1)
¢ certi1 ¢ eth ¢ certi2 ¢ X25
¢ SNA/AA 1.2 +------+ SNA/Server 3.1 +------------- AS/400(2)
¢ ¢ ¢ SNA/Gateway ¢
+--------------+ +-----------------+ AS/400(n)
Several AS/400's connect certi2 thru X25, certi2 get sessions from
SNA/AA on certi1 and SNA/Gateway is responsible for delivering
those sessions to the AS/400.
Now we want to connect to a Host S/390 system using the X25 network.
A couple of questions:
1.-Is it possible to run SNA/AA and SNA/Server in the same
machine ??? So, the host is going to be adjacent to the SNA/AA
and falls in the cross domain configuration of the SNA/AA
manuals.
2.-Is it possible to connect the host via X.25 to certi2 machine
and then to certi1 machine ??? We are not sure about the
SSCP-SSCP session if could go thru the certi machine, and what
happens with the commands for activate the virtual and explicits
routes.....
Regards.
ANSWER
Yes it is possible to run SNA/AA and Comm. Server on the same
box. The two can share a LAN adapter as long as each uses distinct
local SAP addresses. For an SDLC adapter, each would need to
use a distinct port. If the intent is for Comm. Server to talk
to SNA AA on the same box then two token-ring adapters will be
required. Using two adapters, you can create a loop back
configuration.
The SNA Gateway cannot carry FID4 traffic (Cross-domain sessions).
Thus you cannot use the SNA Gateway product to provide X.25
access to SNA AA from remote SNA hosts.
S e a r c h - k e y w o r d s:
X.25 COMM SERVER AIX SNA APPLICATION ACCESS VTAM
WWQA: ITEM: RTA000106242 ITEM: RTA000106242
Dated: 05/1997 Category: ITSCSAIXSNA
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