I need access to shares on a Unix server on a separate sub-net from my PC.

I have a Unix file server on IP and (several) Windows XP computers with static IP addresses ranging from subnets 192.168.16.###.  through 192.168.18.###.   None of these PC's can access the folder shares on the Unix server.  However, all the computers with on our sub-net 192.168.19.###, can access the Unix shares without any problem.   Also, I can ping the Unix server from any of our PC's from any sub-net.

Our gateway router is on and our DNS server is

I have added routes on the Unix server to all our sub-net addresses using the command...

      route add
      route add
and so on...

What configuration(s) am I missing that will allow computers on subnets other than the one the Unix server is on?
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it could be a firewall that is denying your access
NetTokenAuthor Commented:

A good call, but not the case in my situation.   The connection is going from my PC, through a DELL Powerconnect managed switch then to the Unix server at  There are no firewalls setup on this (internal) LAN connection.
Set up WINS server. Samba will do.
Otherwise NetBIOS naming does not cross broadcast domains.

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NetTokenAuthor Commented:
Thanks gheist, it turned out that Samba was running on this server but was configured to work with a specific workgroup name.  The machines in question had been taken off that workgroup and joined to a windows domain.  I just have to reconfigure Samba to work with these domain machines.
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