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Section 15
SNA Gateways
Gateway
Configuration,
3174 CU mode
Pass-through gateway
Concentrator gateway,
general
Concentrator Gateway,
NetWare
AXIS 5570e User's Manual
Some hints specific to SNA gateways are given below.
•
Axis Network Print Server appears to a gateway as a Down Stream
Physical Unit (DSPU), with eight LUs, 1 to 8 (LU 1 may not be available).
•
Only gateways that communicate with DSPUs using SNA over LLC type
2 are supported.
•
There are basically two types of gateways that the Axis Network Print
Server can be attached to: pass-through gateways and concentrator
gateways, as described below.
Devices attached downstream to this type of gateway are completely
visible to the host. In other words, each DSPU will have a PU definition
on the host. Examples of pass-through gateways are IBM 3745
Communications Controller, IBM 3174 Establishment Controller, IBM
3172 LAN Interconnect Controller, etc.
You need to set up at least one PU and LU definition for each Axis
Network Print Server on the host, as described in the VTAM section.
When attaching an Axis Network Print Server to a remote pass-through
gateway, you need to set the mapping of SDLC or sub-channel address to
MAC address in the gateway.
A concentrator gateway typically behaves as a PU (or a few PUs) to the
host, even though a number of PUs may be available downstream. If it is
an SDLC or channel attached gateway, typically only one SDLC or sub-
channel address will be used. Examples of concentrator gateways are:
IBM Communications Manager/2 (OS/2), Novell NetWare for SAA
(NetWare 3.x), Microsoft SNA Server (Windows NT), etc.
When an Axis Network Print Server is attached to this type of gateway,
you can map the chosen Axis Network Print Server LU to any host LU you
like. This way, several print servers may be accessed through the same
gateway.
Pooling LUs may not be used for Axis Network Print Server.
This is an outline of the procedure for configuring to a Novell NetWare
for SAA v 2.0 Server. More information is provided in the 'Suppor't
section of www.axis.com
1. Customize the AUTOEXEC and STARTUP files on the server. Add the LOAD
statements for the LAN and WAN cards, the BTRIEVE database, and the
NetWare for SAA 2.0 Gateway
i.e. LOAD COMMEXEC and LOAD NWSAA.
2. Configure the Communication Executive (this and the following subjects are
done on a WorkStation).
SNA Gateways
177
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