Alcatel-Lucent 9500 MXC, User Manual, Page: 538 / 916

Chapter 10. Networking Configuration
Vol. IV-10-14 Alcatel-Lucent
• When the DHCP server has been enabled it does not prevent CT PC access by
using a specific IP address set in the TCP/IP properties window of your CT PC;
both DHCP and direct IP addressing are available, although DHCP provides a
much more straightforward connection process.
• For protected 9500 MXC Terminals (two co-located IDUs), or where there are
other local 9500 MXC devices (INU, INUe, IDU) on the same NMS LAN
(NMS 10/100Base-T ports interconnected), all devices may be configured as
DHCP servers,
except at sites such as a NOC (Network Operations Center).
• Where two or more devices are configured as DHCP servers all will respond
to the broadcast message provided by your CT PC when first connected to
the NMS LAN, however only one of the servers will get to provide the IP
address for your PC. The CT Start-up window will indicate all 9500 MXC
radios on the NMS LAN, from which point you can select the radio to log
into.
• When two or more DHCP servers are on a LAN, good practice requires each
to have a different (non-overlapping) address range (the range of addresses
available for assigning to your PC). For 9500 MXC radios this is prompted
in the Networking screen.
• At a NOC or at other sites where there are many LAN connected devices
only one DHCP server should be active to avoid potential for incompatible
IP address assignments. (On a company LAN typically one DHCP server is
assigned to support dynamic address assignments to all LAN connected
devices).
• The DHCP address range check box (to the immediate right side of address
range entry) supports basic checks on the validity of the entered address range.
A red cross is displayed if:
• First IP Address is not a valid host address.
• Last IP Address is not a valid host address.
• IP address is not recognized as an IP address. For example is not of the form
192.168.2.1.
• The first IP Address is not in the subnet.
• The last IP Address is not in the subnet.
• The first IP address is greater than the last IP address.
• IP address range does not contain enough free addresses (one is the
minimum).
• When the DHCP server function is enabled, the network portion of the IP
address for the radio appears in the entry boxes for IP address range (First and
Last).