Sharing across different subnets

I have successfully connected a remote PC to my WRV54G using QuickVPN. That remote PC can ping computers across the VPN and those computers can likewise ping the remote PC. I have even successfully connected with Remote Desktop from that remote PC and controlled a computer across the VPN.
I can not, however, access shared resources on the computers across the VPN from the remote PC. (For the sake of discussion, assume that no firewalls exist in my scenario.) The remote PC has a local IP address of 192.168.1.4 and the computers behind the VPN have a local subnet of 10.109.220.0. I attempted to use the "run" command in windows and typed "//10.109.220.100/" from the remote PC to open the shared resources on the computer with that address. This did not work; I only received an error message. I didn't expect to be able to "see" computers across the VPN since the subnets are different, but I did expect to be able to access shared resources if I knew the IP addresses beforehand.
Can anyone help me?

Is the remote computer in the same Workgroup as the local computer? It might help if they are.

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Hin j.v.,
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Read about Bonjour sharing:
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GrSpider -
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That one limitation aside, they've been a great addition to my network.
FWIW.

Sharing across different subnets

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