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WNR1000 Router - Concerns about IP address

 
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Jesper
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PostPosted: Sun Feb 21, 2010 4:20 pm    Post subject: WNR1000 Router - Concerns about IP address Reply with quote

Well we recently bought a new router and it's been bugging me how everything connected to the router has the same WAN IP address. My mom's computer, my computer, my sister's computer and my iPhone(when using WiFi). Is it supposed to give everyone the same IP and is there a way to change it?
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Aniblaze
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PostPosted: Sun Feb 21, 2010 7:52 pm    Post subject: Reply with quote

The router is simply a gateway, which creates a new local area network (LAN), in which it distributes LAN IPs using a DHCP server, or to which you can assign a static IP for each computer if you want. The WAN IP is the IP which is given to your modem, assigned by your ISP. You only get one (unless you have a special modem, mostly found in office buildings though). This WAN IP is assigned to the modem, which passes it through to whatever device is connected to it.

So if you connect your modem to your PC, the PC will get the WAN IP. If you connect the modem to the router, the router will get the WAN IP. After which the router will create a LAN, in which it distributes LAN IPs to every computer connected to it. But that LAN IP address is only known in the LAN. Therefor, every computer that is connected to the router, will have the same WAN IP, because you are connected to the Internet through your router, which holds the WAN IP.
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Adi_
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PostPosted: Tue Feb 23, 2010 12:18 pm    Post subject: Reply with quote

PC <->\
PC -<->>router <-> internet
PC <->/



All 3 PCs should have the same WAN as your router and each other.

If you had three internet connections with each PC plugged into one, then each PC would have a unique WAN.
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Hero
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PostPosted: Tue Feb 23, 2010 12:36 pm    Post subject: Reply with quote

everything on the router has the same IP as the modem. The router is just a splitter.
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Karakawe
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PostPosted: Tue Feb 23, 2010 12:40 pm    Post subject: Reply with quote

Hero wrote:
everything on the router has the same IP as the modem. The router is just a splitter.

The same so-called external IP address. The Windows message is referring to the local network (ie. addresses that look something like 192.168.1.).
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Hero
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PostPosted: Tue Feb 23, 2010 12:48 pm    Post subject: Reply with quote

Ok so it's bitching that shit is on the same IP. I've had that. I fixed it by resetting the router, but this was on a linksys G+b with speed booster. If it persists, you could set them all static.
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Karakawe
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PostPosted: Tue Feb 23, 2010 12:55 pm    Post subject: Reply with quote

Yeah, the reset should work. Not sure if yours has it as a feature, but DHCP address reservation is easier to do than set it up to assign IPs statically.
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Hero
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PostPosted: Tue Feb 23, 2010 1:10 pm    Post subject: Reply with quote

If all else, you can try doing them one at a time connecting, see if it helps. I'm sure you didn't connect them all at the same second the first time, but sometimes it does it like that.
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