Ethernet and wifi clashing?

hi, hope someone can help.
i have a brand new imac 21.5"
i run some IP cameras on a local wired network, 192.168.1.xx
these are picked up fine.
when i turn on the Airport, to connect to my wifi, the ethernet network drops.
is there a way to have both running? the airport configures using DHCP, and when i turn it on it connects with IP address 192.168.1.2
can anybody suggest anything, i'm at the end of my (very limited) knowledge about networks!! is there any info i've left out?
thanks
garret

So you want to connect your iMac to two different Local Area Networks (LAN)? One over ethernet and the other over wi-fi? Or are they the same LAN with a connection for ethernet and wi-fi provided by the same router?
Dah•veed

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brettfromseabrook wrote:
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Was wondering if there is an easy way to switch between ethernet and wifi connection on Apple TV without having to disconnect the ethernet cable.
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I use Time Capsule by Gigabit Ethernet, because I need fast access to it disk, with my iMac. Now I bought an iPhone and want to use it Wifi to access the internet.
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Depending on the details of your configuration, you shouldn't have to use both modes. You should be able to do both things over Ethernet.
Yeah! Before I buy my iPhone, the Wifi of Time Capsule was Off. And I used only the ethernet to have access to the disk and for the internet.
But now that I turn on the Wifi, I cant access the internet by Ethernet with my iMac (as I said before).
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I always configure my ethernet manualy. With IP and every thing. Here:
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Sub mask: 255.255.255.0
Router: 192.168.0.1
DNS: 192.168.0.1, 156.154.70.1, 156.154.71.1
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Now I turned on the wifi of Time Capsule:
Mode: Create a wifi network
Mode: 802.11n
channel: Automatic
Security: WPA2 Personal
Thank you for you time and help my. And if you need more information just ask.
Best regards,
Paulo

Ethernet and wifi clashing?

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