Set static IP address

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How do I do this using a programmatically set static IP address for the host iPhone.

Network

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Posted by

DurianWang

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Answer 1

There’s no supported way to programmatically set a static IP address. Why do you want to this?

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Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardware

let myEmail = "eskimo" + "1" + "@apple.com"

Posted by

eskimo

I‘m not the original poster, but I have the same need. Background here: I‘m talking to a car‘s central ECU gateway via (wired) ethernet. This device picks a random IP un the 169.254.x.x network. I learn about its IP by sending a UDP broadcast to said network. Now I do not want to burden the user with configuring his wired ethernet on the iPhone to this very address and netmask, so I‘d like to do it programmatically. Is there any way these days?

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DrMickeyLauer

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Answer 2

There’s no supported way to programmatically set a static IP address. Why do you want to this?

Share and Enjoy
—
Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardware

let myEmail = "eskimo" + "1" + "@apple.com"

Posted by

eskimo

I‘m not the original poster, but I have the same need. Background here: I‘m talking to a car‘s central ECU gateway via (wired) ethernet. This device picks a random IP un the 169.254.x.x network. I learn about its IP by sending a UDP broadcast to said network. Now I do not want to burden the user with configuring his wired ethernet on the iPhone to this very address and netmask, so I‘d like to do it programmatically. Is there any way these days?

—
DrMickeyLauer

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Answer 3

so I‘d like to do it programmatically.

AFAIK nothing has changed in this space. There is certainly no way, on iOS, to modify the TCP/IP configuration of a wired Ethernet interfaces.

This device picks a random IP un the 169.254.x.x network.

By “device” do you mean the iOS device? Or your accessory?

If your accessory is choosing a self-assigned IPv4 address [1] then you shouldn’t need to configure a static IP address on the iOS device. By default it will choose a similar self-assigned IPv4 address and that’ll allow you to communicate.

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—
Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

[1] Per RFC 3927 Dynamic Configuration of IPv4 Link-Local Addresses.

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eskimo

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Set static IP address

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