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On Sunday 19 December 2010 21:35:57 Dale wrote: |
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> Peter Humphrey wrote: |
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> > On Sunday 19 December 2010 13:17:51 Dale wrote: |
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> >> I found a how to. I read it. This is what I got out of it. It |
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> >> sounds like I need to let the modem use DHCP with the phone company. |
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> > |
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> > Correct. |
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> > |
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> >> Then I need to set the ethernet that comes toward the router to say |
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> >> 192.168.1.2 then set the router to 192.168.1.5 or something to come |
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> >> to my puter. |
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> > |
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> > Those two addresses must be on the same network segment, but they aren't |
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> > - you have your router in between (it routes traffic between one network |
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> > segment and the other). The side of the router that's connected to the |
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> > modem can have that address, but the side that's connected to your |
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> > computers can't have 192.168.1.X. Try 192.168.2.1, say, and your |
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> > computers 192.168.2.2, 192.168.2.3, ... |
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> > |
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> >> Best I can figure, no two can have the same IP. Each device has two |
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> >> IPs, one coming in, one going out. |
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> > |
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> > Yes, each address belongs to an interface, not to a computer, modem etc. |
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> > Think of it as the address of one end of a piece of wire. |
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> > |
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> >> I think the how to may have made this worse. :-( |
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> > |
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> > Nah - sounds to me like you're getting there... :-) |
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> |
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> Ohhhh. Light bulb moment here, I think. The modem has a network, even |
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> tho it only has one device connected to it. The router has its own |
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> network but can have 4 devices connected to it. So, if the modem has |
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> 192.168.1.1 >255 then the router needs 192.168.2.1 >255 which is two |
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> separate networks. |
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If I follow you correctly, then yes |
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> So, if that is true, set the modem to 192.168.1.1 for its IP. Then set |
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> the router to to 192.168.2.1 for it's network. That would give my puter |
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> a IP and the second puter another IP and they can talk to each other |
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> since they are on the same network. Is my light bulb OK so far? |
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If I follow you correctly, then yes |
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In schema form: |
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INTERNET --- <DHCP from ISP> [Modem] <192.168.1.1>---<192.168.1.2> [ROUTER] |
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<192.168.2.1> ----- (Other PCs = 192.168.2.2...192.168.2.254) |
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(Above should have been a single line) |
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> By the way, I feel asleep watching TV, missed my show too. The internet |
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> was still up when I got up. I think that setting on the modem got |
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> changed during a reset, upgrade on its software or something. It |
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> updates software automatically. |
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Always usefull :/ |
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Btw, if you use ADSL, an ADSL Modem/Router combination might be easier to |
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maintain as then you have the Internet-address and LAN network done correctly |
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with default settings. |
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Or, if your Modem supports it, set it to "bridge" mode so your Router thinks |
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it's connected directly to the ISP |
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-- |
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