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Windows 7: Static IP addresses on multiple adapters simultaneously

03 Aug 2010   #21
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

Did you set your router to use a static IP and disabled DHCP in the routers settings?


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03 Aug 2010   #22
dkamm65

Windows 7 Ultimate 64bit
 
 

I just tried that now, it still does the same thing as in my last post.
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03 Aug 2010   #23
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

I Honestly havn't seen anyone else try this or I might have a standard connection method for this already. From what I read Windows does not like using the same default gateways for multiple network adaptors although I thought there might be a chance using the TCP/IP window.

It seems like everything goes wrong as soon as Windows realizes you are trying to use the same gateway for both network connections. Let me try this on my laptop and see what it does.

Ok using standard DHCP I was able to connect to either wired or wireless at the same time or switch between one or the other quickly without any problems, I did have to plug the wired internet cable in twice before Windows picked it up, but that was only the first time I tried, after that it just worked.

I'm a bit surprized that Windows didn't complain about using both nics at once. I think that is because they are both connecting to the same network but the wired connection is dominant as soon as it's plugged in.

Looks like it works for me with my particular router and network adaptors using DHCP. I havn't tried using static IP's for this yet but it's working with DHCP with no special TCP/IP set up required. Homegroups also works either way so the network doesn't seem to care one way or the other.

When I do an ipconfig /all it shows the the wired connection is being used when both are connected and it goes back to the wireless connection automatically when I unplug the wired connection. I don't seem to be having any problem doing this for some reason, maybe DHCP works better for this hard to say but it should also work with static IP's.

The picture below shows with both connected although the wired connection is the one being used when they are both connected at the same time. Windows doesn't seem to complain about this set up and the connection speed is fast as usual this way. What ever happens seems to occur automatically without me having to do anything.


Attached Thumbnails
Static IP addresses on multiple adapters simultaneously-robs-network-both-connected.png  
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03 Aug 2010   #24
fseal

Windows 7 x64 Ultimate
 
 

Yeah I haven't done it either but I would have assumed that Windows would merely use the connection metric to decide which one to use and behave exactly as you have described chev65...

It's still weird the wording of the original warning which does not match the circumstances of the OPs filled in information... could still be a bug maybe. :/
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03 Aug 2010   #25
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

I wasn't sure what that warning was about either but I incorrectly assumed it meant there was a problem trying to use both connections at once.

Sometimes it's easier to just test things out yourself to figure it out. I had no problems at all getting this to work so maybe there is an underlying problem here or maybe something else is wrong with the Op's connection.

I never bothered trying both connections at once just because I had no reason to, but Window 7 seems to be very intuative about this process.
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03 Aug 2010   #26
dkamm65

Windows 7 Ultimate 64bit
 
 

Quote   Quote: Originally Posted by chev65 View Post
Looks like it works for me with my particular router and network adaptors using DHCP. I havn't tried using static IP's for this yet but it's working with DHCP with no special TCP/IP set up required. Homegroups also works either way so the network doesn't seem to care one way or the other.
I have no problems connecting to wired and wireless at the same time when I use DHCP. I've had both connected at the same time many times before.

I think I'm just going to give up and deal with un-forwarded ports when I'm on wi-fi.
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03 Aug 2010   #27
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

Yes it seems that doing this with static IP's is the problem for some strange reason. Perhaps using static IP's keeps windows from switching back and forth between network connections so easily. It might work better to set up the static IP's in your router rather than using the Windows IPv4 connection properties window.

In some routers like mine you can reserve an IP for any DHCP enabled machine without using static IP's so that port fowarding still works because the named machine will get the same IP and therefore can always foward the correct ports.

It also seems that other people have had problems setting up dual nics with static IP's using the TCP/IP window. This Technet thread shows this as a problem but the actual solution is still in question.
http://social.technet.microsoft.com/...b-1b6db90e2273
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16 Mar 2011   #28
Squirl1899

Dual Boot Windows 7 Ultimate 32bit & 64bit
 
 

Did anyone ever find a resolution for this? I am having the same issue. I want 2 static IP's, one for my wired and one for my wireless, and they connect through the same gateway (although I am not using them simultaneously). I get the same pop up screen if I try to change it from the ipv4 screen but if I change it through the advanced screen, it automatically deletes the gateway from my other adapter! The big issue is, if I don't have the gateway in the adapter settings, I get an "Unidentified Network" in my "Network Connections" page.
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 Static IP addresses on multiple adapters simultaneously




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