RV network

Discussion in 'Tomato Firmware' started by IdunBenHad, Jul 17, 2008.

  1. IdunBenHad

    IdunBenHad Addicted to LI Member

    HI Good People:
    I live in an RV and use unencrypted hotspots when I can find them. I have a problem, and being new to Tomato v1.2, et al, I cannot figure out how to do this. I will try to explain my "network".

    Receive the internet via wireless "hotspot". This is detected by PCI WIFI card and I can connect to internet very well.

    I have a laptop in the motorhome also. This is used by my better half. Sometimes she cannot connect because the laptop is not as sensitive as my outside antenna.

    I want to use a Wireless router (Linksys WRT54gs with Tomato installed) to receive the laptop signal. My computer then becomes the internet connection for her.

    I have an ethernet card in the main computer and I have been able to connect to the laptop with a cable, but I do not seem to be able to substitute the Wireless for the cable.

    What am I doing wrong? Or, what am I not doing right?

    Thanks, I appreciate the help. Networking is new to this old brain.:thumbup:
  2. szfong

    szfong Network Guru Member

    Try client or client-bridge mode.

  3. LLigetfa

    LLigetfa LI Guru Member

    Dou you want the router to convert wireless to wired or do you want to rebroadcast the wireless? If the former, you have your answer, if the latter, look at dd-wrt.
  4. IdunBenHad

    IdunBenHad Addicted to LI Member

    Thanks for the info.

    I want to convert the wireless to wired. The wireless is from the laptop into the router and then wired to main computer's ethernet. The router will be up under the dash of the motorhome about 1 foot away from the main confuser.

    I think I have to bridge the main computer between the WIFI and ethernet card, but I'm not sure how to set up the router.

    The other thing I don't know is whether I plug into the WLAN or LAN ports on the router. As I told you, I've never been accused of being smart!

    I will try Simons solution and see what happens.

    Thanks for your interest and replies.

    Off to the races.

  5. LLigetfa

    LLigetfa LI Guru Member

    Let me see if the picture in my mind's eye is correct...

    You have a computer under the dash with an external WiFi antenna that picks up the hotpsot wireless. You want to go wired from the dash to the router and wireless from the router to the laptop. Am I right? If so neither my nor Simon's advice apply.
  6. IdunBenHad

    IdunBenHad Addicted to LI Member

    Yep, that's it. From the wireless hotspot through the underdash computer to the router and wireless to the laptop.

  7. IdunBenHad

    IdunBenHad Addicted to LI Member

    Yep, that's it. From the wireless hotspot through the underdash computer to the router and wireless to the laptop.

    I can get the main to connect to the hotspot and the laptop to connect to the router (wirelessly), but I can't see the internet on the laptop.

  8. fryfrog

    fryfrog Network Guru Member

    Why don't you just re-do the whole thing in a more logical manner?

    Use your router as the main device, hook it up to your wifi antenna. Then, you can hook what ever you want to it and it doesn't depend on your other computer being up all the time. I'm not sure if Tomato can do it easily (haven't used it for very long) but I'm quite sure dd-wrt can do exactly what you want pretty easily. I've even run across scripts designed to continually search for open access points when a connection is lost. So in theory, you could pull up to a hotspot and moments later just be connected w/o any work.

    To get your PC working how you want, is possible but maybe a smidge harder.

    You are doing wifi ant -> pc -> wan port on router, right? If so, I think you just need to in windows enable the ICS (internet connection sharing?) and make sure it is all working right. I don't use windows for this, ever... so you'll have to get more details somewhere else. But maybe it is enough to go on?
  9. LLigetfa

    LLigetfa LI Guru Member

    It sounds like you are using ICS. To substitute the wireless for the cable, you need the router to be dumbed down as an AP (no DHCP) and connect via LAN port, not WAN port. You might also need to turn off client separation.
  10. gregg098

    gregg098 LI Guru Member

    The simplest solution for you is to buy a WTR54GS (WTR not WRT). Its a travel router. I have one and theyre easy to use. You just connect to it like a normal router (wirelessly or via the single LAN port), then log into the router and the menus let you find a wifi signal and connect to it.

    They work great at some places that give you a password for the wifi and only allow one connection to it. The router is the connection and then shares it in your own private network.

    Downside is that it does NOT connect to any wifi networks that arent OPEN (unsecured). You can flash DDWRT to it, though its not as easy to connect to wifi connections as it takes a little more configuration. Also, no external antenna support, so this might be a deal killer for you.

    Now, I got mine for about $20 after a bunch of rebates over a year ago. Looks like they're over $100 on amazon now (must be discontinued), but you can find them on ebay for about $40. Do some searching, there may be other models that also do this.
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