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static ip adress wireless


When connecting to wireless using static ip address I have to input IP address, subnet mask, and default gateway in wireless TCP/IP perperties.

The question is, if connecting wireless using the method above, what happens to SSID name and password we usually see when connecting to wireless automatically
3 Solutions
John HurstBusiness Consultant (Owner)Commented:
In a wireless manager, the two things are in different places. So there should not be a conflict. However, if you can manage it, DHCP is just very much simpler. Still, you can do what you want. ... Thinkpads_User
These connections happen at two totally different layers.

Wireless SSID, WPA key etc - this is all at the physical layer

IP address, gateway, TCP/IP settings - this is all at the network layer

They're totally separate from each other. So when you connect to the wireless network, you will first establish physical communication from your computer to the router using the wireless settings you provided. After establishing physical communication your computer will then assign itself a static IP address and attempt to talk with the rest of the network over TCP/IP, which may or may not work depending on whether the static IP settings are correct.

The problem with static IP settings is that the SAME IP settings will be applied to every network you connect to - which may not necessarily be desirable especially with Wireless. Although some wireless management software may let you manually configure different static IP settings for different wireless networks, the default Windows software does not have that capability. That's why it's usually easier to just let DHCP take care of it.
An explanation from a TCP/IP perspective.

When the wireless card on your PC is attempting to find out access points , it is sending out 802.11 beacon frames. The result of these frames displays the available SSID on the client software. Once the SSID is identified, you click connect , following which 802.11 authentication and association frames are sent. These events happen at the layer 1 of the TCP/IP model.

Only after a succesfull wireless association, the IP address comes into the picture. So irrespective of static or dynamic, the SSID, Password window is displayed

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