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What is the best ADSL connection solution? modem or router?

Discussion in 'Networking Issues' started by red_tea, Jan 27, 2006.

  1. red_tea

    red_tea Network Guru Member

    Here is the situation:

    ISP -- Sympatico High Speed
    DSL modem – SS 4200
    Router – Linksys WRT54GS
    PC – Windows XP

    DSL LINE - SS 4200 - WRT54GS - PC

    It seems all three (modem, router, PC) can dial the Bell DSL line with the user name / password Sympatico provided.

    I also have another wireless client connected to the WRT54GS.

    So, which one is the best choice to dial the DSL line (set as the PPPOE client)? SS 4200? WRT54GS or PC?

    And how to config these things to make the maximum out of the bandwidth?

    Thanks very much for the help!
     
  2. jgutz20

    jgutz20 Network Guru Member

    your best bet is to have the DSL modem do that, probably the way you have it setup right now is best unless you go find a DSL modem with wireless router built into it, then you could eliminate the Linksys device.

    as for the bendwidth your DSL connection is most likely going to be the limiting factor, depending on what package you pay for. the cable from dsl modem to router is 100mb/s your wireless is 54mb/s and your DSL is between 256kb - 3mb/s. If you setup some QOS to dedicate less bandwidth to specific devices or processes it might seem like its running faster
     
  3. renky

    renky Guest

    If you want your local network to be reachable from the outside through port forwarding (e.g. if you are running servers or services), set your DSL modem in "bridge mode" and let your router do the PPPoE authentication.

    If you let the modem do the authentication, port forwarding on your router will have no effect since the DSL modem is doing its own NAT.

    If you only use your PCs as pure clients, it makes no difference where the PPPoE authentication is done.
     
  4. red_tea

    red_tea Network Guru Member

    [​IMG]

    here is my network diagram, now i let the modem do the authentication. i use BT, hope this setup will not slow me down.

    thanks for any improvement suggestion..
     
  5. SAPo57

    SAPo57 Network Guru Member

    USUALLY THOSE EXPENSIVE MODEMS THAT HAVE BUILT-IN ROUTER FROM _WESTELL_ CAN GENERATE EXCELLENT PERFORMANCE FOR A DSL/ADSL NETWORK.


    BUT WHAT MOST PEOPLE ARE DOING NOW IS CONNECTING A LINKSYS CABLE/DSL ROUTER. IF YOU JUST CONNECT WITH ETHERNET AS THE MAIN INTERNET OUTLET IN YOUR HOUSE THEN YOU SHOULD USE THIS DEVICE.

    IF YOUR A NETWORK SPECIALIST AND KNOW HOW TO CONFIGURE A WESTELL MODEM IN ADVANCE(HARDWARE&SOFTWARE) YOU CAN OBTAIN A NETWORK/INTERNET PERFORMANCE OFF THE SCALE NO MATTER WHAT TYPE OF DSL YOU HAVE.

    CONNECTING A LAN SWITCH AFTERWARDS WILL IMPROVE BANDWIDTH AND NETWORK PROBLEMS-FOR CONNECTING MULTIPLE HOSTS TO THE NETWORK.
     
  6. SAPo57

    SAPo57 Network Guru Member

    WITH YOUR TYPE OF NETWORK THE WRT54GS SHOULD BE THE MAIN GATEWAY FOR ALL OF THE DEVICES. (THE MODEM IS THE GATEWAY FOR THE ROUTER, THE ROUTER IS THE GATEWAY FOR YOUR PC'S)

    THE WTR54GS CAN USE VARIOUS MODES TO CONNECT TO THE MODEM, BUT IF ONLY BRIDGING ONLY WORKS THEN HERE'S WHAT YOU SHOULD OF DONE:

    #1 buy a BROADBAND router (no wireless& should represent a model similar to RT41-BU.....) CONNECT THIS TO THE MODEM. with this router you don't need bridging and its' AUTOMATIC DHCP-config. will automatically connect to your ISP like if your on your modem.

    #2 THEN! you buy AN ACCESS POINT (wireless, not a router) AND CONNECT THIS TO YOUR ROUTER. this will give wireless communication to any device and you can still configure.


    I HAD A PROBELEM LIKE THIS ONCE, I DON'T KNOW WHY LINKSYS DIDN'T FIX THIS ISSUE BUT THIS TYPE OF NETWORK SETUP THAT I'VE JUST EXPLAINED CAN FIT IN WITH ANY NETWORK.

    NOTE: bridging causes data&IP errors and lowers your throughput.
     
  7. Guyfromhe

    Guyfromhe Network Guru Member

    An access point is more expensive than a router, you can get a router and turn off all it's routing functionality and use it as an access point...
    I can't think of any reason why the modem would work in bridged mode but not any other mode, maybe you configured it wrong?
     

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