SNA Application Access cross domain using X.25
Hello, we want to connect a RS/6000 with Application Access to a host
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
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
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
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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Comments or suggestions?