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LANtastic Network Operating System Version 4 Compatibility
Bulletin
Product Reviewed: Pathway/Access Release 2.0 and WIN/ROUTE
Release 2.1 by The Wollongong Group
Classification: TCP/IP Connectivity
Date: 04/03/91
Engineer: JAG
Compatibility Statement:
Pathway/Access Release 2.0 and WIN/ROUTE Release 2.1 are
compatible with LANtastic NOS 4.xx.
Product Overview:
The Pathway/Access and WIN/ROUTE products can be used together to
provide TCP/IP connectivity between a PC-based LANtastic network
and a varity of machines that are connected on an Internet
network. A dedicated PC running WIN/ROUTE provides the link
between the LANtastic and the TCP/IP world, while Pathway/Access
provides TCP/IP transport layer and applications services for the
LANtastic side of the link. In general, the Pathway drivers
convert LANtastic's standard NetBIOS packets into TCP/IP format,
allowing IP-based applications to establish links via the
WIN/ROUTE gateway. We tested and found compatible the TELNET
terminal emulation program, FTP file transfer utility, FTPD file
transfer server, PING network communication test, LPR remote
printing utility, and the Berkeley R-series commands RCP (remote
copy), RSH (remote shell), and RLOGIN (remote login).
Test Equipment Configuration:
The following machines were used for Pathway/Access-WIN/ROUTE
testing. All machines running LANtastic used Artisoft AE-2 or
AE-3 NICs and testing was completed using LANtastic NOS v4.1.
Machines running as LANtastic peer-to-peer servers are designated
by (S).
- CompuAdd 325: 386DX/25, MS-DOS 5.0 (S)
- Tandon 486/33: 486DX, MS-DOS 5.0 (S)
- Northgate 386/20: 386DX, MS-DOS 5.0 (WIN/ROUTE host)
- Altima 286: 286/16 portable, MS-DOS 4.1
- Clone 286: 286/12, MS-DOS 3.3
- CompuAdd 333: 386/33, SCO UNIX System V/386
Release 3.2 v2.0
A Western Digital WD8003E network adapter was the network
interface for the UNIX system. The dedicated router used both an
AE-2 and a WD8003E card to route packets between the DOS and UNIX
systems.
Hardware configuration diagram:
┌───────┬───────┬───────┬─────────┐ ┌───────┐
┌──┴──┐ ┌──┴──┐ ┌──┴──┐ ┌──┴──┐ ┌─┴───┴─┐ ┌───┴──┐
│ │ │ │ │ │ │ │ │ │ │ │
│ │ │ │ │ │ │ │ │ │ │ │
└─────┘ └─────┘ └─────┘ └─────┘ └───────┘ └──────┘
LANtastic v4.1 Network with WIN/ROUTE UNIX
Pathway/Access Router system
Figure 1
Software configuration diagrams:
┌─────────────────────┐
│ WINROUTE** │
┌──────────┐ ┌──────────┐ ├─────────────────────┤
│ (SERVER)*│ │PWTCP** │ │ ROUTETPC** │
├──────────┤ ├──────────┤ ├─────────┬──┬────────┤
│ REDIR* │ │NB_DRV** │ │NB_DRV** │ │ │
├──────────┘ └──────────┤ ├─────────┤ │ │
│ AILANBIO* │ │AILANBIO*│ │WD80X3**│
├───────────────────────┤ ├─────────┤ │ │
│ AEX* │ │ AEX* │ │ │
└───────────────────────┘ └─────────┘ └────────┘
Figure 2 Figure 3
Protocol stack for LANtastic nodes Protocol stack for the
dedicated router
*Artisoft products
**Wollongong products
Product Installation Notes:
Installation of both Pathway/Access and WIN/ROUTE is accomplished
by running a batch file included on the installation diskettes.
We recommend Installing WIN/ROUTE first, since the router must be
operating properly before TCP/IP services can be used from a
LANtastic station. The router PC must be dedicated to the
function of routing and cannot be used as a LAN workstation.
It requires two LAN adapter cards, one for the LANtastic side of
the network and one for the TCP/IP side. In the example depicted
in Figure 1 above, the LANtastic interface card is an Artisoft
AE-2 or AE-3 adapter and the Western Digital WD8003E card is used
for the TCP/IP interface. WIN/ROUTE installs to a directory
called WINTCP from a single program diskette. During
installation, the install routine appends the following line to
the CONFIG.SYS file:
DEVICE=C:\WINTCP\WINTCP.SYS
The WINTCP.SYS driver is really a data structure that holds
configuration information for the routing TCP/IP kernel,
ROUTETCP.EXE. Before the kernel can be run for the first time,
this information needs to be configured, or "customized," via the
CUSTOM program. The WIN/ROUTE documentation covers the
appropriate values for the configurable parameters, but there are
some that must be set to specific values. These are:
1) Set the number of interfaces to two (2). This number is the
number of network adapter cards that are installed in the
router.
2) Set the Internet (or IP) address for each interface. The
actual addresses depend on what IP addresses are assigned to
the site. If there are no IP addresses officially assigned
to the site and the LAN will not be connected to a larger
network, these addresses can be arbitrarily determined. You
must, however, make sure that the correct IP address is
assigned to its proper interface number. See the "Hardware
customizing Procedure" section in Chapter 2 of the
"WIN/ROUTE Installation and User Guide" for details. Refer
to the WIN/ROUTE and Pathway/Access documentation for
general information regarding IP addressing.
Once customization is complete, reboot the PC to effect the new
configuration.
For Pathway/Access installation there are two diskettes, one each
for the network interface drivers and the application programs
(e.g. FTP, TELNET, etc.). The installation process places the
files in a directory named PATHWAY on the hard drive.
Additionally, it appends a line to the CONFIG.SYS file that loads
the PWTCP.SYS driver. This driver is similar to the WINTCP.SYS
driver and contains configuration information that is used by the
Pathway kernel program, PWTCP.EXE. As with the WINTCP.SYS
driver, use the CUSTOM program to customize the PWTCP.SYS
information before it can be used by the kernel. Variables such
as the Internet address, host name, and user name for a
particular PC are set using CUSTOM. Appropriate values and
ranges for these settings are documented in the Pathway/Access
Installation Guide, but there are some that must be set to
specific values to ensure correct network operation. These are:
1) The Default Gateway address must match the Internet address
of the LANtastic interface on the router. Set it using the
"Set default gateway's address" selection on the main CUSTOM
menu.
2) Using the "Select program parameters" selction from the main
CUSTOM menu choose the "Set expert parameters" on the
Program Customization menu. Set the number and size of
"large packet buffers" to 10 and the size to 512.
Reboot the PC once customization is complete to load the new
values.
Product Execution Notes:
Starting the router is a matter of running the drivers for the
adapter cards and then bringing up the routing kernel and the
routing software. As mentioned above, the router must be a
dedicated machine. In the example in Figure 3 on page 2, the
AEX.EXE and AILANBIO.EXE TSRs are loaded as the basis of the
LANtastic network interface. Wollongong's NB_DRV.EXE is loaded
on top of them in order to provide NetBIOS to IP translation for
the kernel. The other interface - via the WD8003 adapter - is
pure IP, so Wollongong's WD80X3.EXE TCP/IP driver is all that is
needed. The ROUTETCP kernel is then loaded to provide basic
TCP/IP transport layer services, and WINROUTE runs as the top
layer, providing the packet routing function. The following is a
sample batch file for loading all the required software for the
router:
AE2 IOBASE=340 IRQ=2
AILANBIO
NB_DRV -N:60
WD80X3 -I:3 -M:D800 -B:280 -N:61
ROUTETCP
WINROUTE
Note: In order for the router and the UNIX computer to
communicate properly, the address of the router must be added to
the TCP/IP routing table on the UNIX machine. Refer to Chapter
3, "Setting Up Routes," in the WIN/ROUTE Installation and User
Guide for specific instructions.
Figure 2 on page 2 shows the protocol stack for the PCs on the
LANtastic side of the link. As it suggests, all of the LANtastic
TSRs are loaded before running any of the Pathway/Access
programs. The LANtastic NOS TSRs may be loaded into upper memory
on machines with support for upper memory functions, but the
Pathway TSRs should be loaded in low DOS memory. After loading
the desired NOS programs, run the Pathway NB_DRV.EXE and
PWTCP.EXE programs. As with the router, the NB_DRV driver
provides IP to NetBIOS translation, and PWTCP is the support
layer for TCP/IP applications. The following batch file could be
used to install both LANtastic and Pathway/Access on a typical
PC:
AEX IOBASE=340
AILANBIO
REDIR TEST LOGINS=10
NB_DRV
PWTCP
Once the above batch file has run, TCP/IP applications such as
PING, FTP, and TELNET can be used to access the IP network.
Compatibility Notes:
Artisoft has successfully tested the PING, FTP, FTPD, TELNET,
RCP, RSH, RLOGIN and LPR functions in the configuration outlined
in the Test Equipment Configuration section above. In addition,
Pathway/Access includes a Windows 3.0-based program that includes
FTP, TELNET and LPR services. We tested this utility and also
found it compatible with LANtastic and LANtastic for Windows.
Running FTPD in "background mode" (using the -b command line
switch) is not supported.
Vendor Information
The Wollongong Group
1129 San Antonio Road
Palo Alto, CA 94303-4374
Phone: 415/962-7100
Fax: 415/962-0286
ARTISOFT, Inc. Makes no warranties as to the completeness or
accuracy of this document. LANtastic is a trademark of ARTISOFT,
Inc. Brand names, company names, and product names are
trademarks or registered trademarks of their respective
companies.