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Netware DOS (VLM.EXE)

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Name: Jeffery7
Date: September 17, 2005 at 22:53:50 Pacific
OS: DOS 7.10
CPU/Ram: Celeron 1.0GHz
Comment:

What is VLM.exe for? I unloaded it for freeing up more memory and my IPX network still worked just fine over two computers. Just wondering if I actually need to load this program.....

I tried doing research on it and really couldn't find anything except for that VLM is a virtual loadable module and it's good for having heavy traffic in a network between more than one server..?

Thanks

Jeff in 7 ways...



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Response Number 1
Name: paulsep
Date: September 18, 2005 at 12:22:38 Pacific
Reply:

Hi,

as you said, it's a virtual loadable module, which reloads several other vlm modules and is the interface between the dos shell and the network shell.
It's used for several network services like printing to the network a.s.o.

It's a substitution for the older netx, you former had to use, to connect to the server.

Paul


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Response Number 2
Name: Jeffery7
Date: September 18, 2005 at 13:45:17 Pacific
Reply:

I see. What if I wanted to connect let's say.. 16 computers to a Terminal service to where each user could chat and send files to each other, would I still need to load VLM.EXE?

Jeff in 7 ways...


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Response Number 3
Name: paulsep
Date: September 18, 2005 at 14:01:12 Pacific
Reply:

You'll have to use VLM.exe in DOS or in Win95 / 98 to connect to a netware server.

For a Microsoft Network (Terminal Server), you don't need the VLM.exe.

Instead, you have to use a Client for Microsoft Networks.

Paul


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Response Number 4
Name: Jeffery7
Date: September 18, 2005 at 17:15:19 Pacific
Reply:

I think I understand more about VLM now. VLM is more for like connecting to like a netware server where as it's software is based on netware server... In which netware clients, like 16 netware clients could connect to a single netware client from a gui dos application. Or pehaps that several network clients could connect to several other netware clients through the same gui dos app, without any loss of ipx network bandwidth?

I guess what I'm trying to say is that all I need is drivers and software for just a IPX connection to a network, and nothing else. VLM would be obsolete in that situation because there is no netware server to connect to...

Jeff in 7 ways...


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Response Number 5
Name: paulsep
Date: September 18, 2005 at 18:16:47 Pacific
Reply:

Just right !!!
No Netware Server, no Netware Client.

Generally you can say, the more clients and protocols are installed without the need, the more slower is your network, because every client tries to resolve your request.

Normally the first client (redirector) which gets a result for your request should stop all other clients from trying to resolve your request.

But in real live, it often doesn't work in this way. So if you use more clients and protocols, you really need, you wast time on any network request.

Paul


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Response Number 6
Name: Jeffery7
Date: September 18, 2005 at 20:58:47 Pacific
Reply:

I kind of get what you are saying but I'm still a little confused. I don't believe I would be using more protocols, more like different socket addresses or all computers to a single socket address, which is my concern with how the bandwidth would be, but then VLM doesn't seem to help in that area as far as that goes because it's for more like servers and sharing devices over a network...?

I wouldn't be using any other clients besides the gui dos app itself with the IPX network capability through Netware because for one thing I do need a lot of convential memory to run some of these network compatible applications!


Jeff in 7 ways...


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Response Number 7
Name: paulsep
Date: September 18, 2005 at 21:19:29 Pacific
Reply:

For dos environment you need a dos client to connect to a "Novell Netware Server".

If you don't have to connect to any "Novell Netware Server" you don't need this dos client.
That means, you don't need to load:
LSL.COM
nicdrv.com (name depends on used network card)
ipxodi.com
vlm.exe

If you're using windows and want to connect to other windows machines, you only need to install the Network Client for Microsoft.

In normal cases it also installs the needed protocols like:
IPX/SPX
File and Print sharing
NetBIOS
TCP/IP

That's all you need to connect to other windows machines.

Paul


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Response Number 8
Name: Jeffery7
Date: September 18, 2005 at 23:00:14 Pacific
Reply:

Well see that's the thing. I installed Netware Client to have the IPX protocol for my dos box. As far as my windows machine goes, I use MS Network Client DOS on my dos box to access my windows machine, I don't use the Novell Netware(I use TCP/IP DHCP, which I do hear you can use Netware for such a thing)...

Most, if not all of the dos apps I'm running require IPX (I guess preferably Novell Netware) networking with another dos box that I have here. Both of them have Novell Netware installed, and both of them connect without VLM loaded on both systems.

They run just fine, but what if I had 16 other dos boxes connected to one dos box without VLM loaded on all the machines? This is where I was confused on the benifits of loading VLM.exe...

Since you do say that if I'm not connecting to a Netware Server, that the client is useless, I have read about the paket driver that comes with a specified NIC card installed on the system. I attempted to use the pktd driver for my NIC and not only did it not detect IPX inside the dos apps, but it also used more conventional memory! And the parameters for the packet driver had no optimization for memory variables!

Jeff in 7 ways...


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