While not fully understanding you question..
If your wondering why you cannot see the different subnets 
via the network neighborhood or smbclient then this is your answer.
The netbios that your windows machines use cannot cross subnets without
the help of a router. To fix this Micro$oft created something known as a master
browser.  If you set your linux box with samba to be the master browser and you
point all of your windows machines to it you will be able to see machines across a 
network. You must tell your windows machines what the master browser is. This is
done via the WINS PRIMARY SERVER box found somewhere in the networking.
This master browser is just a server that keeps track of where "network neighborhood"
machines are located.
You can adjust the priority of you samba box to become the master browser
for the whole network...

BTW

Since you say you can get to your POP server and the internet.. I'd say it
has nothing to do with your gateway settings.

.02

Bob


>At 01:39 PM 12/16/99 -0600, Sean Armstrong wrote:
>
>>Ok. I am not sure if this is off topic or not so
>>bare with me. My work network is a NT network
>>and most of the computers are Win98 or NT. As
>>a matter of fact only three are others(2 linux
>>boxes and 1 Mac). Our network has two different
>>sets of IP blocks for use. Since they are different
>>if I use an IP from the block that is not part
>>of the main IP adresses I can not see my computer from
>>another win computer. I can not communicate with
>>the other block of IPs. I can still connect to the mail
>>server and the internet. I think the firewall the company
>>has up may be blocking access between the two
>>blocks of IP addresses since SAMB uses TCP/IP to
>>communicate to the network. The network servers
>>are on the main block of IPs and I don't want to
>>have to go back to DHCP because that's just as useless.
>
>
>I doubt there is a firewall between the two blocks of IP's.  More likely, you did not 
>set up your mandrake box with the right gateway address in your subnet.  e.g. if the 
>two blocks are 192.168.1.0/255.255.255.0 and 192.168.2.0/255.255.255.0, there must be 
>a corporate router that each subnet can talk to (with an address in each of those 
>subnets).  So, for example, if your subnet is the 192.168.2.0 subnet, and they tell 
>you the gateway for that subnet is 192.168.2.1, then you put that in the default 
>gateway entry for you mandrake box, and you will be able to see all addresses in the 
>the 192.168.1.0 block as well (since they are not local to your subnet, linux will 
>automatically forward packets for them to the router...)
>
>

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