Siemens SCALANCE XM-400 Configuration Manual page 342

Configuring with Web Based Management
5.6 The "Layer 3 (IPv4)" menu
● Address Collision Detection Status
If new IPv4 addresses become active in the network, the "Address Collision Detection"
function checks whether this can result in address collisions. The allows IPv4 addresses
that would be assigned twice to be detected.
Note
The function does not run a cyclic check.
This column shows the current status of the function. The following values are possible:
– Idle
– Starting
– Conflict
– Defending
– Active
– Not supported
– Disabled
● Loopback
Shows whether or not the "loopback" property is enabled.
Steps in configuration
1. Select the interface from the "Interface" drop-down list.
2. If appropriate select the "loopback" property.
3. Click the "Create" button. A new row is inserted in the table.
4. Click the "Set Values" button. Configure the subnet on the "Configuration" tab.
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The interface is not enabled and does not have an IPv4 address.
This status indicates the start-up phase. In this phase, the device initially sends a query
as to whether the planned IPv4 address already exists. If the address is not yet been
assigned, the device sends the message that it is using this IP address as of now.
The interface is not enabled. The interface is attempting to use an IPv4 address address
that has already been assigned.
The interface uses a unique IPv4 address. Another interface is attempting to use the
same IPv4 address.
The interface uses a unique IPv4 address. There are no collisions.
The function for detection of address collisions is not supported.
The function for detection of address collisions is disabled.
SCALANCE XM-400/XR-500 Web Based Management (WBM)
Configuration Manual, 05/2017, C79000-G8976-C248-12