ETAS
Troubleshooting Problems
ES523.1
-
User Guide
34
2. Open the folder
HKEY_LOCAL_MACHINE\SYSTEM\
CurrentControlSet\Services\
Tcpic\Parameters\
3. Click
Edit
Find
to search for the key
IPAutoconfigurationEnabled
.
If you cannot find any instances of the registry key mentioned, the APIPA mech
-
anism has not been disabled on your system. i.e. there is no need to enable it.
Otherwise proceed with the following steps:
4. Set the value of the key
IPAutoconfiguratio-nEnabled
to
1
to enable the APIPA mechanism.
You may find several instances of this key in the Windows reg
-
istry which either apply to the TCP/IP service in general or to a
specific network adapter. You only need to change the value
for the corresponding network adapter.
5. Close the registry editor.
6. Restart your workstation in order to make your changes take
effect.
7.2.3
Search for Ethernet Hardware Fails
Cause: Personal Firewall blocks Communication
Personal firewalls may interfere with access to ETAS Ethernet hardware.
The
automatic search for hardware typically cannot find any Ethernet hardware at
all, although the configuration parameters are correct.
If a firewall is blocking communication to ETAS hardware, you must either dis
-
able the firewall software while working with ETAS software, or the firewall
must be configured to give the following permissions:
• Outgoing limited IP broadcasts via UDP (destination address
255.255.255.255) for destination port 18001
• Incoming limited IP broadcasts via UDP (destination IP
255.255.255.255, originating from source IP 0.0.0.0) for destination port
18001
• Directed IP broadcasts via UDP to the network configured for the ETAS
application, destination port 18001
• Outgoing IP unicasts via UDP to any IP in network configured for the
ETAS application, destination ports 69, 18001, 18017 or 49152 to 50175
• Incoming IP unicasts via UDP originating from any IP in the network con
-
figured for the ETAS application, source ports 69, 18001, 18017 or 49152
to 50175
For details, please refer to the user documentation of your personal
firewall
software.