Internet connection sharing
I have one computer with wifi, a wireless router, a cable modem, and my xbox....I would like to let my xbox connect online (and access resources in my Win7 machine especially Media Center)so, I would like toknow if there is a way and how to network them in a way that my computer directly connect tothe internet, while Iam able to connect my pc and xbox in a network where I can use Media Center capabilities for my xbox (and of course that requires access to xbox live)I've heard of Internet connection sharing but Idon;t know how it works, I've tried bridging my wifi and wired network with no success...If you don't exactly get the idea, what I want is that my computer connect to the internetthru the cablemodem..... then I wifi to my router, to give my xbox ability to connect online... and access media center...so far, the connections areok, but I can't make the wireless network connect to the internet by bridging the cable modem connetion with the wireless network (where my xbox is wired to the router)any help?
February 23rd, 2009 5:09am

If I read that right, your current setup is like so:cable modem --> router w/ wireless --> PC (connected via wireless)Correct?No wireless adapter for the Xbox, correct?Hardwiring the Xbox to the router is not an option?If all of the above is correct, then you'll want to bridge the LAN and wireless connections on your PC. This will basically createa passthru connection from WLAN to LAN, making the latter an extention of the wireless network.If you've already configured ICS, unconfigure that. If you've already created a network bridge (it sounds like you bridged the wrong connections), then break that bridge, and create a new one. I'd suggest rebooting after breaking the first bridge and/or unconfiguring ICS, to make sure that all settings are reset.One reminder about Network Bridges:Since it's a passthru, if you have MAC filtering enabled on your wireless network (in the router configuration), you do need to add the Xbox's LAN MAC address as an authorized device. If you don't, then it (the Xbox) will not be allowed access to the network.This is a Win7 system, yes? If not, then what OS?HTH,Chris[If this post helps to resolve your issue, please click the "Mark as Answer" or "Helpful" button at the top of this message. By marking a post as Answered, or Helpful you help others find the answer faster.]
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February 23rd, 2009 7:20am

HiAll you need to do is to set in advanced options of your wired network adapter following chek boxAllow other network users to connect through this .....
February 23rd, 2009 2:57pm

Yes, this is a win7 system... I have the bridge removed and I have no ICS made...currently I have this connectionCableModem >> Router >> PC (wired)and the xbox is not connected. I have no wireless adapter for the xbox (since it is quite expensive and I haven't bought one yet)now I would like this connectioncable modem >>(wired)>> PC >>(wireless)>> router >>(wired)>> xbox360where the xbox should be able to access the internet and access my pc (Media Center)... now, to make that happen I should be able to make a pass through as you said by linking the wired and wireless network on my pc...linking them through wires using the router doesn't work because they are on different floors of the house...
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February 24th, 2009 2:26am

ZEIGHY, to be way blunt:The topology that you're proposing will,at best, fight you greatly to get it working right.Reason: unless you can disable it, the router will add a second NAT (Network Address Translation) layer to the network, in addition to adding a hardware firewall.Also, Xbox Live (if you game at all) absolutely hates a double-NAT setup.It would be far preferable (and, easier, configuration-wise) to put the cable modem and router by the Xbox (so that you can hardwire the Xbox to the router), and just connect the PC to the WLAN (wireless network.)I'm assuming that the Xbox is at a TV, yes? TV has a cable line connected to it? If=yes to both, then, simply split the coax, and hook the modem up there.If you're insistent on using your proposed layout, please post the make & model of router, and I'll see how to disable routing functions on it.HTH,Chris[If this post helps to resolve your issue, please click the "Mark as Answer" or "Helpful" button at the top of this message. By marking a post as Answered, or Helpful you help others find the answer faster.]
February 24th, 2009 4:15am

I have a linksys WRT160N V2I already did the idea you suggested, but my pc's wifi device a USB wifi stick (a linksys WUSB100) gets hot after a while. so I wouldn't want to risk damage to it, plus, I usually use my computer when I'm away (using LogMeIn Remote access) so I wouldn't want to risk getting disconnected suddenly while working on something, thus I have to use my computer in a wired network..plus, I don't use the wireless network that much that I can leave it off (the router) and connect directly to the cable modem. I only use the wireless network when some of my friends and relatives drop by at home and tag along their laptops or iPhones/blackberry and connect to the internet. and when my brother uses the internet in his PSP...the wireless is not heavily used, but in that setup it would be faster for me to just switch on the router and leave the house to go to work and let them use the wireless network as much as they could (without risking my computer get disconnected)so the xbox idea is just a way for me to test internet connectivity and to add another way to utilize the router I don't really need. heheheso this can be a big help if we could make it work :) plus some people might be thinking of this network topology, too.
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February 24th, 2009 4:46am

Alright then.You'll need to connect the router as a Wireless Bridge to the WLAN that you'll create on your PC; however, Linksys' firmware doesn't support that.You'll need to first install third-party firmware (such as DD-WRT) on the router to get that functionality. You comfortable with that?[If this post helps to resolve your issue, please click the "Mark as Answer" or "Helpful" button at the top of this message. By marking a post as Answered, or Helpful you help others find the answer faster.]
February 24th, 2009 5:36am

I'm fine with that, I don't think I would screwup anyways, and if I do, that's fine, it would be my fault anyways, plus I'm interested in experimenting, hahaha (and there's a way to fix it back - no matter how hard it is, right?)so, go on, give me the next instruction, :)
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February 24th, 2009 5:54am

Actually, there's always the risk of bricking the router. Recovering from that, if it happens, can be, ah, painful. :)Anyhoo...The first thing that I'd suggest doing is getting DD-WRT installed and running on the router. After all, there's not much point in going forward, if that goes sideways. ;)Unfortunately, further investigation shows that this isn't currently possible. My preliminary checks showed that it was doable; however, a search of the router support database athttp://www.dd-wrt.com/shows that, currently,while the WRT160N v1.0 and v1.1 are supported; v2.0 is currently a work-in-progress. :(But, once that issue is cleared up....Info on how to set up the router as a wireless client bridge:http://www.dd-wrt.com/wiki/index.php/Wireless_BridgeIf, however, you want to use the router as a repeater bridge (which adds to the above the abilty to use the router to extend the wireless signal, thereby increasing your coverage area - useful for larger houses):http://www.dd-wrt.com/wiki/index.php/Repeater_BridgeHow to set up ICS in Vista:http://windowshelp.microsoft.com/Windows/en-us/help/bfd3bd31-82f0-4b9c-9cde-fb92bc2b14771033.mspxHow to set up an Ad-Hoc (computer-to-computer wireless) network in Vista:http://windowshelp.microsoft.com/Windows/en-us/help/293c504f-b944-4d5d-835c-f080129bd5dc1033.mspxAnd, a really good MS whitepaper on the subject (written for XP; but, applicable to Vista, keeping in mind changes to Control Panel):http://www.microsoft.com/downloads/details.aspx?FamilyID=fac8708e-3762-4e78-b372-8404eeb7f41a&DisplayLang=enWireless networking in Windows Vista:http://www.microsoft.com/downloads/details.aspx?familyid=EB958617-B3D3-42CF-A434-87AD81259FC6&displaylang=enThe one suggestion that I have (that is, a change to make to the abovementioned docs & instructions):don't use WEP on the Ad-Hoc Network!!! WEP is inherently insecure. WPA is more secure; however, I'd recommend running the wireless in WPA2 if at all possible.Oh, one point to clarify:<plus, I don't use the wireless network that much that I can leave it off (the router) and connect directly to the cable modem. I only use the wireless network when some of my friends and relatives drop by at home and tag along their laptops or iPhones/blackberry and connect to the internet. and when my brother uses the internet in his PSP...the wireless is not heavily used, but in that setup it would be faster for me to just switch on the router and leave the house to go to work and let them use the wireless network as much as they could (without risking my computer get disconnected)>In your proposed topology, the router's wireless side is reduced to a point-to-point connection to your PC. If your friends want to connect to your wireless network, they'll connect to the wireless (ad-hoc) network that you create on the PC. This will be, after all, your 'wireless router' now.[If this post helps to resolve your issue, please click the "Mark as Answer" or "Helpful" button at the top of this message. By marking a post as Answered, or Helpful you help others find the answer faster.]
February 24th, 2009 6:47am

thanks! this could be helpful!I'll do this by the weekend.and in case of bricking, I'll manage to ask in dd-wrt's forums or google for help (if not then just let the router go, I'll just buy a new one when I get enough cash, lol, besides, i don't really need it, lol)Thanks a lot! And thanks for your time spentin helping me.just one last question though, so if I use a v1.1 or v1.0 firmware would that be fine? since my router had the v2.0 built in and that the model number includes a V2 (WRT160N V2) in it (which some say because it has the v.20 firmwarein it as default)
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February 24th, 2009 6:59am

no no no!!!!version numbers refer to the hardware revision. Never, ever try to flash a router with firmware that's written for a different hardware rev. Only two possible results: rejection, or brick. Never a successful flash.Unfortunately, you'll need to wait for the DD-WRT code monkeys to finish work on the firmware for your router.I'd suggest keeping an eye on this threadat the DD-WRT forums, as well as the hardware database, to see when they're done with the port.[If this post helps to resolve your issue, please click the "Mark as Answer" or "Helpful" button at the top of this message. By marking a post as Answered, or Helpful you help others find the answer faster.]
February 24th, 2009 7:31am

ZEIGHY said: Yes, this is a win7 system... I have the bridge removed and I have no ICS made...currently I have this connectionCableModem >> Router >> PC (wired)and the xbox is not connected. I have no wireless adapter for the xbox (since it is quite expensive and I haven't bought one yet)now I would like this connectioncable modem >>(wired)>> PC >>(wireless)>> router >>(wired)>> xbox360where the xbox should be able to access the internet and access my pc (Media Center)... now, to make that happen I should be able to make a pass through as you said by linking the wired and wireless network on my pc...linking them through wires using the router doesn't work because they are on different floors of the house...Solution I gave you above is for this case.
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February 24th, 2009 1:46pm

Ventsislav Alexandriyski said: ZEIGHY said: Yes, this is a win7 system... I have the bridge removed and I have no ICS made...currently I have this connectionCableModem >> Router >> PC (wired)and the xbox is not connected. I have no wireless adapter for the xbox (since it is quiteexpensiveandI haven't bought one yet)now I would like this connectioncable modem >>(wired)>> PC >>(wireless)>> router >>(wired)>> xbox360where the xbox should be able to access the internet and access my pc (Media Center)... now, to make that happen I should be able to make a pass through as you said by linking the wired and wireless network on my pc...linking them through wires using the router doesn't work because they are on different floors of the house...Solution I gave you above is for this case. Yep, I'll try that, too! since I can't do chris' idea yet. I just got a bit interested in his idea.and thanks, too :)
February 24th, 2009 3:06pm

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