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2 Network Ccards On A Server

By teo ·
I have 32 users conected to a nt server 4. I wanted to segment the users in the following configure :

Group A : 16 users

First network card :

ip address : 1**.168.1.64
subnet mask : 255.255.255.240

Group B : 16 users

Second network card :

ip address : 192.168.1.80
subnet mask : 255.255.255.240

Is the above configure all right ?

Should I configure group A as 192.168.1.64
and group B as 192.168.2.80. Both without subnet mask

Regards,

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2 Network Ccards On A Server

by FB-Way In reply to 2 Network Ccards On A Ser ...

You have to use a subnet mask and I agree with Answer #1. Use 255.255.255.0. The 255.255.255.240 subnet mask doesn't allow you enough flexibility. After all, what if you want to add network printers later?

Otherwise, it looks okay.

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2 Network Ccards On A Server

by teo In reply to 2 Network Ccards On A Ser ...

The question was auto-closed by TechRepublic

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2 Network Ccards On A Server

by paultalb In reply to 2 Network Ccards On A Ser ...

I recommed not doing this, my network was split like this and it was a huge headache, I put it back. You will see performance issues on the server unless you have a router doing the work, going from one network to the other(printing, filesharing & etc.). Plus with out a dhcp server you will have to set the IP & gateway on each machine. Etc etc etc, you'll regret it.

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2 Network Ccards On A Server

by teo In reply to 2 Network Ccards On A Ser ...

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2 Network Ccards On A Server

by clpadmin In reply to 2 Network Ccards On A Ser ...

First, I am assuming that the address 1**.168.1.64 should be 192.168.1.64 for the first network card.

Now, if you want 16 users/workstations per subnet, a subnet mask of 255.255.255.240 will not give you enough addresses to allocate to 16 workstations. This is because three address will be taken up:

1. One address will define "this network".
2. One address will define the broadcast address.
3. One address will be taken up by the server network card.

Therefore, only 13 addresses will be available.

The next valid subnet mask is 255.255.255.224, which I believe someone else suggested in another post. So you will have:

Group A : 16 users

First network card :

ip address : 192.168.1.65
subnet mask : 255.255.255.224

( "this network" : 1**.168.1.64
1 to 16 users : 1**.168.1.66 to
1**.168.1.81
broadcast address : 1**.168.1.95
)

Group B : 16 users

Second network card :

ip address : 192.168.1.97
subnet mask : 255.255.255.224

( "this network

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2 Network Ccards On A Server

by teo In reply to 2 Network Ccards On A Ser ...

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2 Network Ccards On A Server

by clpadmin In reply to 2 Network Ccards On A Ser ...

cont.

( "this network" : 192.168.1.96
1 to 16 users : 192.168.1.98 to
192.168.1.113
broadcast address : 192.168.1.127
)

Notice that this configuration gives you 29 available addresses for workstations.

If you want to not use subnets (i.e. subnet mask 255.255.255.0) the configuration is:


Group A :

First network card :

ip address : 1**.168.1.1
subnet mask : 255.255.255.0

( "this network" : 192.168.1.0
workstations : 192.168.1.2 to 192.168.1.254
broadcast address : 192.168.1.255
)

Group B :

Second network card :

ip address : 192.168.2.1
subnet mask : 255.255.255.0

( "this network" : 192.168.2.0
workstations : 192.168.2.2 to 192.168.2.254
broadcast address : 192.168.2.255
)

Notice that this configuration will give you up to 253 addresses for workstations.

Using which configuration depends on how many addresses you want available for each network. Its up to you.

I hope I explained this clearly. If you have any que

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2 Network Ccards On A Server

by teo In reply to 2 Network Ccards On A Ser ...

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2 Network Ccards On A Server

by TylerDurden In reply to 2 Network Ccards On A Ser ...

If you are segmenting for security reasons, ignore this post. If for performance reasons, why bother segmenting? For 32 users, I would buy a 10/100 switch (48-ports), plug your users in at 10Mb and server in at 100Mb. If 100Mb isn't enough, add multiple adapters and team them together. The Intel PRO/100+ line of server adapters support adapter load balancing and fault tolerance configs. Here's the URL:

http://www.intel.com/network/products/pro100srvr.htm

No, I don't work for Intel or an Intel reseller.

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2 Network Ccards On A Server

by teo In reply to 2 Network Ccards On A Ser ...

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