WAG54Gv2 as modem for another router, is it possible?

Discussion in 'Other Linksys Equipment' started by MrT0ad, Jun 3, 2006.

  1. MrT0ad

    MrT0ad LI Guru Member

    All the network cards i've got are Atheros (5005GS and 5006XS) and I want to use them in conjunction with an Atheros based router.

    I just bought a TL-WR641G for that purpose, but the problem is, it doesn't have an integrated modem.

    Before I spend some quid in an ADSL modem (ADSL2MUE, X-Modem M3, BeWAN ADSL2 Combo...) I'd like to know if someone has managed to use the WAG54Gv2 as modem and how.

    What I've tried (unsuccessfully) is:

    1.- Put the WAG54v2 in bridge mode.

    2.- Put the correct parameters for the DSL connection. (Multiplexing:VC/VPI:0/VCI:38/Modulation:G.dmt for me)

    3.- Give it a non-conflictive IP address in the same subnet as the rest of the devices. (

    4.- Disable everything else (wireless etc. etc.)

    5.- Connect via straight ethernet cable the eth_1 of the WAG54Gv2 to the WAN port of the TL-WR641G.

    6.- Configure the TL-WR641G in PPoE.

    7.- Switch off everything, switch on the WAG54Gv2, wait for the synchronization LED to go solid green, then switch the TL-WR641G on.

    Can someone tell me what I'm doing wrong? Am I mixing apples and oranges?

    Thank you.
  2. TazUk

    TazUk Network Guru Member

    Why don't you just use the TL-WR641G as an access point/switch if it's just the wireless side your interested in :unsure:
  3. MrT0ad

    MrT0ad LI Guru Member

    I thought on that... before realizing that you can't disable NAT in the TL-WR641G.

    The plague in most of the routers I've owned/tried is not the hardware, is the terrible lack of functionality that comes with the infamous VxWorks firmwares.

    I also have a WRT54Gv2, and is the best router I've ever owned due to 3rd party firmware developments. Pity this one is broadcom based, so is a no-no in a mixed environment with atheros if you want to use superG.

    But I'm going totally off-topic here. Thank you for your input TazUK.
  4. HiSpeed

    HiSpeed Network Guru Member

    MrT0ad, your test is very interesting because I asked the same question a long time ago, and I didn't get any answer to know if the WAG54G works in "bridge only" mode with a WRT54G...

    Did you try the last firmware 1.02.00 ?
  5. TazUk

    TazUk Network Guru Member

    That wouldn't matter as your not going to be using the WAN side of the router ;)
  6. MrT0ad

    MrT0ad LI Guru Member

    Yep. I don't have ADSL2 in my area yet (Escaping to the countryside blues... Great views, pleasant walks on your doorstep, higher quality of life... but no cable (sigh) or ADSL2 :p), so I knew I wasn't going to experience the "mosquito" hi-pitch noise people complain about.

    But it didn't work with this firmware either.

    Let me see if I understand your suggestion properly. The TL-WR641G will perform NAT only over the WAN interface, right? So to use it as an AP things are anything like this?

    1.- Leave the WAG54Gv2 configured as gateway. (The role that's performing now).

    2.- Disable wireless on the WAG54Gv2 ("superG" is not very friendly with neighbouring "G" networks, theoretically it should automatically "downgrade" itself if it detects a "G" network in range).

    3.- Connect the eth_x of the TL-WR641G to the eth_x of the WAG54Gv2.

    4.- Disable the firewall and all the rest of the unwanted services (well, the ones I can lol) on the TL-WR641G.

    5.- Assign an static IP to the TL-WR641G in the same subnet as the rest of the devices (let's say

    6.- Connect all the clients to the TL-WR641G's wireless network, with the WAG54Gv2's IP as default gateway.
  7. TazUk

    TazUk Network Guru Member

    Yep that's it :)
  8. MrT0ad

    MrT0ad LI Guru Member

    Thank you for your help :)

    I'll give it a shot once my wife's done with the internet (if I start messing around now everything we've spoken about will be irrelevant as I will be promptly murdered, and the dead don't need wireless) and see how it performs. (I'm still a bit concerned on how "transparent" the TL-WR641G is going to be).
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