PowerLogic™ Ethernet Gateway
63230-319-204A2
Setup
12/2008
© 2008 Schneider Electric. All Rights Reserved.
6
ENGLISH
Duplicate IP Address Detection
While connected to your network, the EGX publishes its IP address. To
avoid any duplicate IP address conflicts, the EGX uses the Address
Resolution Protocol (ARP) to see if any other device on your network is
using the same IP address. Table 3 below explains how the EGX handles a
duplicate IP address when it is detected.
Table 3:
Duplicate IP Detection Scenarios
Scenario
Duplicate IP Detected
Power/Status LED
Boot Process /
Power Restore
Reverts to the default EGX IP
address, subnet mask, and gateway
address. ARP requests are sent every
15 seconds until the IP address is
available. When the IP address
becomes available, the EGX will use
it.
Four blinks, pause pattern
Ethernet Link Detected
Manual Address Change
EGX keeps it’s previous IP address
and displays a message indicating
that the IP address is already in use
by another device.
Receives an ARP request Reverts to the default EGX IP
address, subnet mask, and gateway
address if a connected device sends
four ARP requests for the EGX’s IP
address. The EGX will send ARP
requests every 15 seconds until the
IP address is available again. When
the IP address becomes available,
the EGX will use it.
Four blinks, pause pattern
