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#1 2008-06-09 2:20 pm

80Flyer
Member
Registered: 2008-06-04
Posts: 2

Connecting two routers

I have been trying to connect my new iMac to the internet via ethernet. I have a cable modem attached to a gigabit router, which is connected via ethernet to my Vonage 802.11 router (Linksys WRTP54G).

In short, this system doesn't work. If the iMac and the Linksys are connected at the same time to the gigabit router, one works, the other does not.

There is no problem connecting the iMac to the Linksys router via wireless, but I think the direct connection via ethernet cable to the gigabit router will be faster.

Is what I am trying to do possible? Or am I limited to just a wireless connection?

Thanks.

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#2 2008-06-09 3:57 pm

dvpierce
Negusa Negest
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From: Minneapolis, MN
Registered: 1999-08-30
Posts: 16402

Re: Connecting two routers

1st of all, is the gigabit router a router, or a switch?

If it is a router, it's probably conflicting with the Linksys WRTP54G. The Cable modem might also be trying to function as a DHCP server.

Networks with multiple DHCP servers rarely work well.

Are you connecting through DSL or Cable? I'm going to guess cable. You should have the cable modem attached to the uplink port of the GB Router. (If it really IS a router and not just a switch.) Then connect the computer to the downstream ports. If you need wifi access on your network as well, attach the Linksys box, but configure it to work in Bridge mode.


"Now commences the process of cutting off the head, which generally takes from an hour to an hour and a half by an expert workman with a sharp blade." -Reuben Delano, Wanderings and Adventures

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#3 2008-06-09 4:28 pm

80Flyer
Member
Registered: 2008-06-04
Posts: 2

Re: Connecting two routers

Thanks for your reply. The gigabit connector is a switch, not a router. I connect through cable, as you guessed.

I have connected the cable modem to the switch, and then used one port for the computer, another for the Vonage (Linksys) box, which provides both wireless and telephone.

When both are connected this way, the Vonage router works, the iMac indicates a self-generated IP address and is not connected to the web, even though the connect light on the switch is lit and blinking.

I think that somehow the switch and the Vonage router are in conflict with each other. The web based set up of the Linksys router talks about setting up static routing, but the directions to do so are unclear.

Since the iMac connects to the wireless signal of the Linksys router with no problem, I could just forget the whole gigabit ethernet thing, but it bugs me that I can't make this work.

Any suggestions would be welcome!

Thanks.

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#4 2008-06-09 5:36 pm

dvpierce
Negusa Negest
Moderator
From: Minneapolis, MN
Registered: 1999-08-30
Posts: 16402

Re: Connecting two routers

Call tech support and ask how to put the LinkSys into "bridge mode."


"Now commences the process of cutting off the head, which generally takes from an hour to an hour and a half by an expert workman with a sharp blade." -Reuben Delano, Wanderings and Adventures

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#5 2008-06-13 1:06 pm

APPLEsauce
Member
Registered: 2008-06-01
Posts: 5

Re: Connecting two routers

All you need to do is, plug the modem into the "internet" port on the back of the vonage box.(the vonage box is an actual router)  Then plug the GB switch into the router via one of the ports labled 1-4, with the other end going into the "uplink) port of the switch if it has one, otherwise just use the last port on the switch.  Plug your iMac into one of the ports on the switch.  Theoretically, this will limit your connection to the speed of your router.  This will not make ANY difference because your router will limit it to 100Mb/s.  So unless you have a cable connection faster than that, which doesn't exist, you will not be limited by your vonage router.  The only way that gigabit switch will be any benefit is if you have other computers with gigabit ethernet connected to it and are sharing files between it and your iMac.  Then you will get much faster network transfers, but again, this setup is NOT limiting your internet connection.  Hope this helps.

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#6 2008-06-13 1:37 pm

D'Eyncourt
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Registered: 2001-12-27
Posts: 7890
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Re: Connecting two routers

You might check the fine print on your Verizon contract and see if you are limited to one device connected to your GB switch. It may be that your Verizon equipment is recognizing only the first device connected to your switch, thus you can only get either your Vonage router or your iMac but not both simultaneouly connected to that switch. If this is the case, then you may be stuck using the Vonage router as the WiFi connection for your iMac (unless you want to add another router to your setup).


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