Airport connection taking priority over Ethernet

There have been similar posts about this, one of which is marked as answered so I can't reply to that.
I am running within my company and may Macbook is connected via Ethernet to the network. I have a Time Capsule doing wireless backups. The Time Capsule is also connected to the network via Ethernet to provide me with a personal WiFi point (so I can use if with my iPad etc).
However I noticed that wireless connection is taking priority over the wired Ethernet, effectively making the Ethernet wired connection to my Mac redundant. Whilst this doesn't really result in a massive performance issue, it would be best to use Ethernet whenever connected.
I checked System > Network > Set Service Order and Ethernet is above AirPort.
Any ideas?

Hi,
Welcome to the  Discussions
I read this as no-one seemed to have made a reply.
I ma not sure I have the answer but I do have some questions.
Those answers may provide some insight to someone that can help.
Are you saying that effectively you have a Modem and possibly a router that serves the computers at your company ?
Separate from this a Time Capsule is also on this Network.
You say Wireless backups.
Does this mean the Setting in System Preferences > Network differ between the Airport Card settings and the Ethernet Card Settings ? (Different "router IP" Listed)
Could you explain how the Computer is therefore doing Wireless backups ?
If you are Ethernet to the regular router and then Ethernet from there the to the Time Capsule I don't see how it was set up for Wireless.
Was the Time Capsule set up to Extend the regular Network ? (Join an existing Network or if set up manually, the drop down in the Internet pane read "Bridge (Off) Mode")
The System Preferences > Network Settings would be the same except for the Airport Cards IP Address and the Ethernet card's IP address in this case.
From there where are you getting the info that the Wifi/Airport card is taking priority ?
Setting the Sort Order needs you to Drag things down the List or only up to second place (you cannot drag to the top directly).
You do seem to be saying that you have achieved this.
The Mac Help on this does not say that one will override the other - just that it will try the top one first.
10:01 PM Wednesday; March 23, 2011

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Airport Express getting priority over Extreme

Hi guys,
So i have both an airport express and extreme. The Express is extending the network of the Extreme to the rest of the house, which is exactly what i want it to do, however; where i am in my room i get perfect connection to the Extreme but for some reason i get connected to the Express' network.
This is a problem because the Express' network is significantly slower for downloading (about a 7th of the speed) than the Extreme. So i was wondering if there was a way to get the Extreme to have connection priority over the Express even though they are technically the same network?
Thanks in advance for any suggestions,
Julian.

Welcome to the discussion area, Julian!
So i was wondering if there was a way to get the Extreme to have connection priority over the Express even though they are technically the same network?
Unfortunately, no. Your computer will automatically connect to the wireless point that has the best signal strength...not necessarily the fastest speed.
You may want to experiment with the placement of the AirPort Express to see if you can improve the speed on the network. Most users place the AirPort Express much too far away from the main router.
A good starting point would be a location this is about 1/2 the distance between the main router and the area that needs more wireless coverage. The important thing to remember here is that +the Express can only "extend" what it "receives"+. It does not "boost" the signal. So, if you have it located where it receives a slow signal, that is what it will extend.
So, you wind up with a strong "low" signal if the Express is located too far away from the main router.
Message was edited by: Bob Timmons

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int lo1
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ip radius source-interface Loopback1
aaa new-model
radius-server host 172.16.1.55 auth-port 1812 acct-port 1813 key cisco$$$
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aaa authorization exec default group RADIUS-ACT local
aaa accounting exec default start-stop group RADIUS-ACT
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aaa authentication ppp default if-needed group RADIUS-ACT local
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aaa accounting update periodic 5
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no shut
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ip unnumbered FastEthernet0/1
peer default ip address pool GLOBALPOOL
ppp authentication chap
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then when I try to switch it to extending
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Hi
I've read various things about this on the forums here, but none of them seem to make a considerable amount of sense seeing as the person just magically works out the problem. So I'll attempt to describe my problem.
I'm trying to share my Intel iMac's Airport connection to another mac running 10.4.6 over ethernet. I'm using crossover cable, and so far I've got the two computers to recognise each other in Network tab of the Finder, so I can mount the other's HD on my desktop if i wanted. BUT, I am having no luck with sharing my internet connection, I have the 'Share my Airport connection over Ethernet' settings ticked in System Preferences on the iMac with airport, but the "light" on the network overview page is orange on both computers, and the one connected with ethernet does not connect to the internet.
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I have just experienced the same situation. Everything was working fine and now I can't connect to my airport from my macbook pro. I also have an iMac G5 working perfectly well on the same airport.
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Any suggestion on how to map to the shared drive over Ethernet will be greatly appreciated.
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Thanks

then when I try to switch it to extending
That is not the correct setting to use.
"Extending" is only used when an AirPort connects using a wireless connection to another AirPort router.
When the AirPort connects using Ethernet, you have to use the "Create a wireless network" setting.
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Apple Discussions!
Suggest that you cross-post in the AirPort Forums
BTW: Typing in caps is considered shouting in cyber space. We can all hear you. Also, it's very hard to read.
Thank you for your consideration in this matter.

Airport connection taking priority over Ethernet

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