Douglas Handy wrote:
In essence I want either:

1) WiFi to have access to ONLY the ports needed for the sales software, or
2) WiFi to be on its own subnet (VLAN?) with access to the PCs in the
showroom, but not beyond that. However the PCs need access to both the
handhelds and the regular corporate LAN plus internet, etc.

I haven't worked with VLANs yet. Are scenarios like this part of what they
are good for?

The client does have a spare Linksys WRT54G which they'd like to use to
become the access point in the showroom (ie, avoid purchase of new
hardware).

FWIW, I know that the WRT54G can do VLANs and a host of other really powerful stuff if you install an alternate Linux firmware like OpenWRT. Essentially, the reason you can do this is that Linksys used a version of Linux for their firmware, so people were able to tweak at add to that firmware.

I'm not a networking guy (aside from simple home network stuff), so I hope that is of some use. I do know that OpenWRT is used quite successfully in commercial settings.

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