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Workgroups, Routers, and Subnets

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Name: Daniel
Date: February 8, 2002 at 20:35:36 Pacific
Comment:

I have a problem with seeing computers on seperate subnets within my network neighborhood. I am on a Lan with three subnets- 10.1.10.X, 10.1.30.X, and 10.1.40.X and a subnet mask of 255.255.255.0 on all three. These three subnets are connected by three layer 3 switches (Cisco Catalyst 3524XL) each switch has its own subnet.....
the switch with the subnet of 10.1.30.X and the switch with the subnet of 10.1.40.X are uplinked into the switch with the subnet of 10.1.10.X which in turn is uplinked into a Cisco 1751 router. I currently cannot see (in network neighborhood) a pc within the same workgroup as myself from one subnet to another however I can see pcs within the same workgroup on the same subnet as myself. I do have the proper gateways insatalled. I can ping all pcs from one subnet to another just fine.......so whats wrong?????? SOMEONE PLEASE HELP!!!!!!



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Response Number 1
Name: techtony
Date: February 8, 2002 at 21:11:15 Pacific
Reply:

You can't split a workgroup among different subnets.


0

Response Number 2
Name: Daniel
Date: February 10, 2002 at 14:22:48 Pacific
Reply:

I am beggining to think that this is true.


0

Response Number 3
Name: Paul
Date: February 22, 2002 at 15:53:46 Pacific
Reply:

The reason you can't see other hosts across the other two subnets is this:

The order of name to IP address resolution is: Acrononym: CWBLHD (Can We Buy Large Hard Drives)

Can - cache ("#pre" entries in the lmhosts files)

We - WINS - WINS server

Large - LMHOSTS files

Hard - Hosts file

Drives - DNS

You can't relove hosts across the subnets because the layer three switch is stopping broadcast, the only way your hosts will resolve each other without a WINS server.

The easiest way to relove the problem is to install WINS on an NT server and add the servers information to a DHCP server.

Another way is to add all the PCs to a host file and put them in the c:\windows directory on 95/98 and c:\winnt\system32\drivers\etc directory in NT4.0. Hope this helps.


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