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You Gotta See This! WRV54G & ADSLSMUE

Discussion in 'Cisco Small Business Routers and VPN Solutions' started by DocLarge, Oct 9, 2006.

  1. DocLarge

    DocLarge Super Moderator Staff Member Member

    I've never been a big user of the Linksys ADSL2MUE (a.k.a. MUE) Modem/Router device because initially, I couldn't get it to work with my WRV54G I brought with me from U.S. a few years ago. Consequently, I bought a WAG54G, and then finally, an ADSL ethernet modem (courtesy of www.adslnation.com) and I was again loving life using my WRV54G. Oh, at that point, I put the MUE back in the box and it's been gathering dust...until today...

    I got an email (like I usually do about twice a week :) ) from someone looking at how to get quickvpn to work with his MUE and WRV54G. My initial comments were that the two were incompatible being the MUE supports PPPoA connections and the WRV54G does not because it's an ethernet router. Then something occurred to me; he said that he had already tried but couldn't get it to connect! Okay, so now I'm wondering, how in the Hell is he connecting to the internet because he'd mentioned that he had the WRV54G connected by its internet port, but when you (normally) try this with straight thru CAT5, the internet light is orange because it doesn't detect a signal; if you try crossover cable, the internet light doesn't even come on. Of course, this person had my attention from right there...

    With today's gateway combination devices, you can set them to "bridge" mode and turn them into simple modems. I had been able to use my WRV54G as a "switch only" when connected to my MUE, but never as the main router (even if I put it in bridge mode). If you bridge the MUE, that means the device behind it has to handle the PPPoA packets, and PPPoA is not a connection option for the WRV54G...but PPPoE is.

    Yep, I remember people talking about making this connection while others (including me at the time) said that it was not "theoretically" possible to connect a router utilizing the PPPoE setting to a modem that had a PPPoA connection from an ISP. I'm here to say "I" was wrong in assuming so. After about 45 mins of fumbling around, I went out on a limb and tried something...

    My WRV54G is now set on PPPoE and I've set my MUE to "bridge only mode" and I'm writing this post with this configuration at this time with a solid connection to the internet. How crazy is this?!? Even my IPSEC vpn tunnels kicked in as soon as connection was established. I'm heading out to a local WIFI spot in a moment to test quickvpn in this configuration. Below is all you have to do.

    ON THE ADSL2MUE:

    1) Go to setup page
    2) Input your username/password combo from your ISP to establish internet connection (you're basically ensuring the modem is working)
    3) Once established, change encapsulation type to "bridge mode only"
    4) Save settings and exit

    NOTE: To return your MUE to default settings, just hit the reset button for about 10 - 15 seconds

    ON THE WRV54G

    1) Go to setup page
    2) Change "internet connection type" to PPPoE
    3) Input the same username/password combo from your ISP (there won't be any conflict because the MUE is now running as a simple modem)
    4) Leave remaining settings at default
    5) Save settings and exit

    Again, this is something I didn't think would work initially, but it's running fine at the moment :)

    Jay
     
  2. vibe666

    vibe666 Network Guru Member

    is there something specific with the WRV54G that makes it different (apart from vpn) to the WRT54G's?

    the first thing i did with my modem when i got my first WRT54G was stick it in bridge mode and let the router do the rest. i thought it was the standard thing to do?
     
  3. Toxic

    Toxic Administrator Staff Member

    Chipsets and Operating systems are totally different. There is no point in compairing the two.
     
  4. ifican

    ifican Network Guru Member

    This makes total sense if you really think about it. The MUE is first and foremost an ATM modem and secondarily a router. You cant do anything about the modem side of the device it does whats its designed to do, act as an atm endpoint. However the router being a secondary function is totally bypassable and hence what you are doing when you put the MUE in bridge mode.

    Now the MUE terminates the ATM cells and passes the ppp (encapsulated router traffic) as you have asked it to do via the bridge mode. The WRV knowing only how to speak ethernet happily connects to an ethernet port on the MUE, accepts the PPP traffic and does its thing. QuickVPN should work just fine.
     
  5. vibe666

    vibe666 Network Guru Member

    I didn't mean specifically the WRT54G's, but single port modems and routers with PPPoE/PPPoA authentication capabilities in general.

    I just thought that it made sense to put the modem in bridging mode and let the router do the rest, but I guess not.

    I'm messing in the affairs of wizards again aren't i? ;)
     

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