Chapter 5 — Network Support
CK61 Mobile Computer with Windows Mobile User’s Manual 131
To configure your Ethernet adapter using the Intermec Settings applet
AutoIP/DHCP
Automatic Private IP Addressing (AutoIP) is enabled by default in
Windows Mobile. To remain compatible with other versions of Windows
Mobile, enable this setting. You can configure the registry settings in the
following to set the required AutoIP/DHCP behavior:
HKEY_LOCAL_MACHINE\Comm\PRISMNDS1\TcpIp
Other registry keys that modify the behavior of AutoIP are as follows. You
can find the appropriate settings and behavior of each of the AutoInterval,
AutoIP, AutoMask, AutoSeed, and AutoSubnet keys in Microsoft Help.
When a TCP/IP client cannot find a DHCP server, it generates an AutoIP
address from the 169.254.xxx.xxx block. The client then tries to check for a
DHCP server every 15 seconds and if a DHCP server is found, the client
drops the AutoIP address and uses the address from the DHCP server.
To disable AutoIP, set the AutoCfg registry entry to “0.” If a DHCP server
cannot be found, instead of using AutoIP, the system will display the
“Unable to obtain a server assigned IP address” message.
1 Select Start > Settings > the System tab > the Intermec Settings icon.
2 Tap (+) to expand Communications > Ethernet Adapter > IP Settings.
Note: If you try to disable AutoIP using a CAB file to set the registry value
for AutoIP, set the EnableDHCP value to “1” to keep DHCP enabled.
Note: Use DhcpRetryDialogue and DhcpMaxRetry registry settings to
extend the number of attempts a DHCP client makes to get a DHCP
address.
Note: Change the AutoInterval registry key value to make the client retry
more often to obtain a DHCP address.
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