VLANs and VAPs and WDS using two routers?

Discussion in 'Tomato Firmware' started by sarelc, Jun 17, 2011.

  1. sarelc

    sarelc LI Guru Member

    Hi all, I have a small network which I'm looking to expand and improve. I have some ideas about what I'd like to do, and I would appreciate some feedback on whether or not they're workable before I start messing with things. I have a fair grasp of networking concepts, but wireless was in its infancy when I learned the CCNA curriculum and I don't have any real experience with the command line apps used by the Tomato/xWRT distros.

    Right now, my main router is a Buffalo WZR-RS-G54 running Tomato: it hosts a DSL connection, my devices (some wired, some wireless), two low-usage WDS clients via Buffalo WHR3-G54s, plus random wireless guests.

    The problem is that the router's WiFi does not play well with anything but the WDS clients. Everything else suffers from frequent packet loss and slow throughput. Otherwise I was quite pleased with Buffalo, so when there was a sale on the WHR-HP-GN I ended up buying one... Only to find, of course, that it was Atheros-based and couldn't run Tomato. Research = win.

    What I'd like to do, is continue using the old router with its wireless disabled, and use the new one as a WDS host + WAP. Hopefully this will provide reliable WiFi in addition to N speeds. However, I would also like to add a separate guest VAP, and to have QOS, DHCP, etc. to be visible and manageable from the main router. After a bit of reading, I made up a quick diagram:


    Even if it can be done, there are certain pieces I'm very unsure of. For example, whether/how the VLANs would be defined on the second router, and whether it would be necessary to assign each to its own physical port. Thanks for reading, and for any suggestions!
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