Below are pointers to information specific to Apple iOS networking use at Princeton University.

How to Determine Your Device's Ethernet or Wireless Hardware Address

Instructions for determing the Ethernet or Wireless hardware address of some common kinds of hardware.

iPhone OS 3.2 on iPad Stops Renewing DHCP Lease, Keeps Using IP Address

This document provides details of a DHCP bug exhibited by iPhone OS 3.2 on the Apple iPad®.

Workaround for "iPhone OS 3.2 on iPad Stops Renewing DHCP Lease, Keeps Using IP Address" Issue

A temporary workaround for a DHCP issue present in iPhone OS 3.2 on iPad. (No longer needed with newer versions of iOS.)

iOS 3.2.1 - 4.0.2 Requests a DHCP Lease Too Often

This document provides details of a DHCP issue present in several versions of Apple iOS on multiple platforms.

Workaround for "iOS 3.2.1 - 4.0.2 Requests a DHCP Lease Too Often" Issue

A temporary workaround for a DHCP issue present in several versions of Apple iOS on multiple platforms. (No longer needed with newer versions of iOS.)

iOS 4.1 - 5.1.1 Allows DHCP Lease to Expire, Keeps Using IP Address

This document provides details of a DHCP issue present in several versions of Apple iOS on multiple platforms.

Workarounds for "iOS 4.1 - 5.1.1 Allows DHCP Lease to Expire, Keeps Using IP Address" Bug

A workaround for a DHCP issue present in several versions of Apple iOS on multiple platforms.

iOS 5.0 - 5.0.1 Sometimes Connects and Disconnects from Wi-Fi Too Often

This document provides details of a Wi-Fi issue present in several versions of Apple iOS on those devices with built-in cellular radio interfaces.