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Dual NIC problems

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5 replies

by andrew.moore

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I am trying to install a second Intel pro 100+ LAN card into my Windows NT4 server so that I can lighten the load on the existing card but the event manager reports a problem of confliction and then my server is unavailable to all users.

This question may be on about 5 million websites with solutions and may be easy to resolve but I am obviously not correct in my thinking.

Please help????

A very tired individual from UK.

5 replies

by bigduck

It is possible to add two NICS to an NT4 server but you have to make sure they are on different subnets. ie. if the first nic is on 192.168.1.x then the second NIC has to be on 192.168.2.x or some other such address. Not sure if this is your problem or not but it is the only thing I know of that prevents dual nics for operating in NT 4.

by andrew.moore

To add:

I am trying to keep in the same subnet and just lighten the load in the NIC. Is this possible or do I need to transfer one to a different subnet.

thansk to all that help...

by vh_s

I don't think you could use two NICs on the same subnet.

I think your problem definition of 'enlighten the NIC' is not correct. Are you experiencing slow data transfer ? What kind of data ? And how many users ?

vh_s

by vh_s

I have a little idea of your network now.

If you have only one server, then it would be experiencing problem, since it would have to serve user logon (in and out).

Additionally, some people also designated their server to be the file server. This could lock-up your server, as so many people would retrieve, save files.

I would add one other server (just a simple, cheap one) designated for the file server. Both server will be connected to the switch for faster connection. Use your old one as a logon server for validating user log-in and out.

You should also analyse whether there are departments that don't use the server very often. Segment this department on their own subnet by using small hubs for connecting one to each others.This would enlighten your collision domain, therefore giving the server also more chance to serve other users.

Okay, hope that would help you.

vh_s

by andrew.moore

Hi thanks for the reply!

I have recently upgraded my network from 10Mb thin ethernet to full cat 5e. I have servicing 60+ users and every now and again experience a real slow down. I am using Baystack 24T switches operating mainly at full 100Mb. I added a second processor to my server and sped things up a little but every now and again it slows down significantly. I believe that there must be some sort of bottleneck occuring. Is there any good software available that can report bottlenecks??? This is why I am trying to add a second NIC.

Is this a viable solution or icould there be an alternaltive (money is not an option).

Any help would be fantastic as I am on my own in this.

A

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