User Manual

Chapter 3 - Operation and Administration of the Macro BTS NPU Configuration
4Motion 127 System Manual
of two or more 4Motion chassis. (Concatenation is not supported in the
current release.)
 MGMT port: A Fast Ethernet interface that provides a dedicated Ethernet
interface for external EMS server connectivity. In some configurations the
MGMT port is used for connecting the local NMS server (IP-based craft
terminal).
You can configure the speed, duplex, and MTU for these interfaces. For the DATA
port, you can also configure VLAN translation (mapping).
Based on the connectivity mode, 4Motion initializes the following pre-configured
IP interfaces:
 Local-management: Used for enabling connectivity with the local NMS server
that is connected via either the MGMT port or the CSCD port when 4Motion is
operating in the in-band connectivity mode; or via CSCD port when 4Motion is
operating in the out-of-band connectivity mode. The IP address used for the
local-management interface is intended for "back-to-back" connection between
NPU and Local NMS Server.
 Internal-management: Used for enabling the NMS connectivity between the AU
and NPU. This interface is used internally by 4Motion and is not reachable
from user-visible ports. The IP address and VLAN identifier used for the
internal-management interface are not user-configurable.
 External-management: Used for enabling connectivity with the NMS server
that is connected via the DATA port when 4Motion is operating in the in-band
connectivity mode, or via MGMT port when 4Motion is operating in the
out-of-band connectivity mode.
 Bearer: Used for enabling bearer IP domain connectivity. When the Unified
connectivity mode is selected, the NMS server is also connected using bearer
interface.
In addition, AU maintenance interfaces enabling the AU maintenance IP domain
connectivity for maintenance traffic between the AUs service interfaces and an
external server. For more details refer to Section 3.4.3.
You can configure the IP address and MTU for bearer, external-management and
local-management interfaces. You can also modify the VLAN ID for bearer,
external-management and AU maintenance interfaces. The following table lists
the default VLAN IDs assigned to pre-configured IP interfaces.