W&T Com-Server++ - IP Address Conflict Detection

25
W&T Assigning the IP address
Subject to error and alteration
2�5 IP Address Conflict Detect
Firmware version 1.31 and higher enables the Com-Server++
to detect and display an IP address conflict. This function is
deactivated by default and can be activated in the following
menu branch:
SETUP System
Setup TCP/IP
...
IP Address Conflict Detect
...
When the Com-Server is restarted there is an active check for
any address conflicts. During normal running the monito-
ring is passive. Details on this functionality can be found in
RFC5227, IPv4 Address Conflict Detection.
Indication of an address conflict
The Com-Server++ indicates a detected address conflict by
rapid flashing (approx. 3x/s) of the Error LED. In addition a
message including the competing MAC address is generated
in the Error State (Setup Port x r Port State r Error State).
When using a static IP address the conflict is only indicated.
The Com-Server continues to use this IP address. In a DHCP
environment the Com-Server informs the responsible DHCP
server, resets the IP address and waits for assignment of a
corrected IP address.
1
IP address conflicts generally lead to communication
problems which are difficult to diagnose. Please therefo-
re inform the responsible administrator in such cases.