P2P Network Questions

[Mike]

dell 8200 XP Pro, Dell Truemobile 2300 router/gateway, dell l400 notebook
W2K Pro and Dell truemobile 1300 wireless pc card.
Both computers and router are in the same workgroup, dhcp enabled, file
sharing, shared folders and shared printer.
Can ping all three in any combination. ISS Desktop Protector firewall (tried
to access remote shared resources with and without firewall)
Cannot see remote computer in either network places. Both computers can
access internet.

Any suggestions how I can fix this?

Mike

 

[Mike]

All three using same default subnet (255.255.255.0) and logged into both pcs
with user account on both pcs w/ adm privs.

Mike

 

[Mike]

disabled wireless pc card on notebook and enabled cat5 network connection.
Can still ping other computer and router, but still can't access printer and
files or
other pc.

Mike