Configuration Question - Bridge?

Discussion in 'Tomato Firmware' started by Toot4fun, Oct 6, 2008.

  1. Toot4fun

    Toot4fun Network Guru Member

    At my house, I have a cable modem connected to a Linksys WRTP54G (firmware v5.01.04). This handles my wireless network and has some wired devices connected as well. Downstairs, I have a WRT54G currently running DD-WRT, but there is no network connection here, so this connects via my wireless network, but creates its own subnet. I find (as have others) that I have to reboot the WRT router every few days and so I'm going to upgrade it to Tomato. My question is this:

    How do I need to configure my new Tomato router to use the wireless connection from my existing WRTP54G, but not create a new subnet?

    Also, I have a similar situation at a family member's house, except that they have a network connection available at the site of where the Tomato router would go. Does this situation change the configuration at all?

    Please let me know if there is anything that requires further clarification and thanks in advance!!
  2. fyellin

    fyellin LI Guru Member

    You just want Wireless Ethernet Bridge mode. This is precisely what this mode is for.

    Your friend can either also use WEB, or just plug the ethernet cable into a LAN port and turn off the WAN. The latter is probably preferable.

    Both of you will need to manually assign your "downstairs" machine an IP address. All of this information is on the Basic > Network screen.

    Both of you will want to put some scotch tape over the WAN ethernet port. It'll be down, and it'll just confuse you if you accidentally plug something into it.
  3. SgtPepperKSU

    SgtPepperKSU Network Guru Member

    Doesn't Wireless Ethernet Bridge only work for one device attached on the second router? The main router is only expecting one client per connection, so either a) you NAT that to get more or b) you only connect one device. WEB transparently makes it look like the device attached to the second router is actually the wireless client. It is a substitute for a cable from the main router to the final device - not the same as a cable between routers. At least that is how I understand it.

    If he can flash both routers to Tomato, I think WDS would be a better solution. That actually bridges the two routers together wirelessly, and places all the attached devices on the same subnet.

    But, if he cannot flash the main router to a WDS-capable firmware and only one device will be connected to the second router, WEB would do the trick perfectly.

    But, I do agree that the best solution for his friend is a LAN port to LAN port ethernet cable.
  4. Mastec

    Mastec Network Guru Member

    I agree with SgtPepperKSU, go with WDS. Real super easy to set up and very reliable.
  5. Toot4fun

    Toot4fun Network Guru Member

    Unfortunately, I cannot flash both routers with Tomato, since one is my Vonage phone router. I cannot easily get a network cable from this router (upstairs) to my Tomato router (downstairs), which is why I wanted to connect to the upstairs router wirelessly. The main purpose of the Tomato router downstairs is to provide a network connection to my DVR, XBOX, etc. I flashed the Tomato router and configured it as a WEB and that seems to be doing exactly what I want - it connects to my wireless network and acts as a pass-through for all the devices that are plugged into it.

    Now a follow-up question: Is my Tomato router that's configured as a WEB extending the coverage of my wireless network? That is, can wireless clients use it to connect to my wireless network or is it just using the wireless network for its own connection and the only devices that can take advantage of this are the ones that are plugged into it?

    For my brother-in-law's situation where he has a wired connection at the point where his Tomato router would be, he is looking for the same results - connect a few devices directly, but mostly he needs to increase the coverage of his wireless network because his main router is in a distant part of the house.

    Thanks in advance for all the help!! It's only been a few hours, but Tomato is awesome!!
  6. SgtPepperKSU

    SgtPepperKSU Network Guru Member

    Ah, I mentally dropped the P in WRTP54G when I read your first post. Bummer.
    Can you get things to work with more than one device at a time (DHCP, web traffic, etc)? If my understanding of WEB is wrong, I'd like to know (I've never used it myself).
    Unfortunately, I'm pretty sure WEB is a client-only mode. So, I'm afraid it is not extending your wireless.
    With either the cable LAN->LAN connection or WDS+AP (again, that one is only if he can flash both routers), he will be able to extend his wireless network just fine. Only thing to remember is that with WDS+AP, he'll want the same SSID and channel on both, while with the LAN->LAN, he'll want the same SSID with a different non-overlapping channel on each.

    Hope that helps!
  7. fyellin

    fyellin LI Guru Member

    I thought that WEB mode worked as a bridge. I've since switched to WDS mode, but when I used WEB mode, I had multiple devices wired in.
  8. Kiwi8

    Kiwi8 LI Guru Member

    Wireless Ethernet Bridge is in bridge mode, definitely not client mode.

    And WEB supports multiple PCs or devices plugged into the WEB, there is no restriction of only one PC or device on the WEB.

    SgtPepperKSU, please do not give inaccurate information without verification.
  9. SgtPepperKSU

    SgtPepperKSU Network Guru Member

    I said it was client only, not in client mode. Poorly worded for sure, but all I meant is that it does not rebroadcast the SSID, extending his wireless network. But, again, this is just my understanding.
    I was just going off of troubles by users here on this forum where only a single MAC address would show up in the main routers ARP table and cause issues. Like here:
    It seems my explaination of Wireless Ethernet Bridge lines up fine with this other than the "magic" part. I guess I left reading those threads before you came along and told them they were wrong.
    This is why I prefaced everything with "I think", "as I understand it", and "correct me if I'm wrong" - to get that verification. Besides, I thought I had that verification from the experiences and explanations of multiple users. I made it very clear that I wasn't sure of these answers as I'd never used Wireless Ethernet Bridge mode before. Just trying to help by sharing my understanding of the situation. I'm sorry if I stepped on your toes - it wasn't my intention.
  10. Kiwi8

    Kiwi8 LI Guru Member

    As u can see from that thread, I was also involved in the discussion in that thread. And if u had gone thru that thread, u would also have found out that the issue of the single MAC address in WEB mode is just cosmetic, and doesn't affect the connections even if multiple devices are plugged into the WEB.

    Thank u for your understanding. :)
  11. Toot4fun

    Toot4fun Network Guru Member

    Thank you everyone for your responses. I do appreciate your time helping me to understand this.

    Now that I know that WEB is not extending my wireless network, but does allow me to connect multiple devices to this router, is there a way to do both (extend my wireless network and connect devices)? Specifically, is there a way to do this with one Tomato router and one non-Tomato router? Is this the WDS mode?

    Also, rather than wasting people's time asking to have them explained to me, is there a place where I can find more information on each of the wireless modes? All of the documentation that I've found just says what they are, but doesn't really go into any detail (examples would be nice).

  12. Kiwi8

    Kiwi8 LI Guru Member

    WDS is your way to go, because the only router-to-router connectivity option allowed with Access Point (AP) is AP + WDS. There is no AP + WEB option available.
  13. Toot4fun

    Toot4fun Network Guru Member

    Can I do AP + WDS on my Tomato router if the other router isn't Tomato? Or will this only work on two Tomato routers?
  14. Kiwi8

    Kiwi8 LI Guru Member

    Possible, provided your other router allows the setting of WDS mode too. Even so, there may be a chance that the WDS modes of both routers may not be compatible, but u may want to try.
  15. Slavedriver

    Slavedriver LI Guru Member

    Is it possible to link the routers by wire while still having the second router serve both wireless and wired clients ? I don't want to loose half of my bandwidth when I can connect them by wire and, ideally, loose none.
  16. Toot4fun

    Toot4fun Network Guru Member

    I was wondering the same thing. If I'm able to get a wire from my Vonage router to my Tomato router, does this change what I'm able to do? With a wired connection, is it now possible to have the Tomato router be an extension of the wireless network created by my Vonage router and still be able to utilize the LAN ports on the Tomato router (while keeping all my devices on the same subnet)?

    Thank you!!!
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