Alcatel-Lucent 9500 MXC User Manual page 830

Routing Options and
Functions
Vol. VI-D-4
Rules, Hints, and Tips
• At each network site 9500 MXC radios must be identified with a unique network
address- the network portion of the IP address must be unique.
• Where two or more Nodes/Terminals are co-located (same site) and Ethernet
NMS-interconnected they should share a common network address (the network
portion of the IP address is the same), but have a unique host address (the host portion
of the IP address is unique).
• For 9500 MXC Nodes/Terminals connected by their Ethernet ports, normal LAN
rules apply.
• When connecting a CT PC to a 9500 MXC Node/Terminal using an Ethernet cable,
normal LAN IP address and routing rules apply.
• The CT PC must be hosted on the same LAN as the 9500 MXC it is connected to,
meaning the TCP/IP settings within the CT PC must be set to have:
The same network portion IP address as the 9500 MXC Node/Terminal;
A different host portion IP address to uniquely identify the PC and the 9500 MXC
Node/Terminal as different devices (on the same network).
• This separate network identity for each Node/Terminal site means there are many
networks in a 9500 MXC management network (inter-network). Essentially, each
network supports just one host unless other devices (other 9500 MXC radios etc.) are
interconnected via their Ethernet NMS ports. This is a fundamental difference to a
normal network situation where multiple hosts are almost always LAN-connected
under one network address.
For static routing, CT entries must specify:
• Destination: The destination of all other static-route-connected devices on the
network. Only the network portion of the IP address is required.
• Subnet Mask: The mask must delineate the network portion of the IP address.
• Interface: The interface must specify the port used to exit the node to get to its
destination network. Where it is over a radio link there are prompts for all installed
links, such as LINK 1 NMS or LINK 2 NMS, where the number represents the slot
number of the RAC. (For a protected link, the number corresponds to the slot
number of the primary RAC).
• Next Hop: A next hop entry is only required where the next IP hop is via the
Ethernet port to another network. Next hop defines the exit point or 'gateway'
from one network to the destination network.
Note: A Next Hop entry is not required for a radio (LINK) interface as there is always
only one device connected; the remote end radio. This is not the case with the
Ethernet port as there can be many devices connected via a LAN, hence the
need to define the device on the LAN which provides the gateway to the
destination network.
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