Huawei CR-MPUB Manual de usuario

Este manual sirve para los siguientes modelos

1

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Quidway® NetEngine 80 Core Router Main Processing Units

Copyright ©2007 Huawei Technologies Co., Ltd. All Rights Reserved.

http://www.huawei.com/products/datacomm/ 1

Quidway® NetEngine 80 Core Router

Main Processing Units

Overview

The Main Processing Unit (MPU) is the core of the Quidway®NetEngine 80 core router

(abbreviated to NE80).

The NE80 has 20 slots, of which two are for MPUs. The MPU is hot-pluggable. One or two MPUs

are required for each NE80. It is recommended that two MPUs be configured to implement

redundancy backup and improve the system reliability. When the active MPU runs normally, the

standby MPU backs up status information in real time, such as configuration data, slot status, board

status, interface status, power status, fan status and protocol status.

CR-MPUB

When a severe fault occurs to the active MPU or the active MPU is manually reset, the system will

switch over to the standby MPU for running (supporting automatic switchover and manual

switchover by commands), generate alarms, log it and notify the network management

system(NMS). Switchover reason and process are recorded into the system diagnosis information

database for analysis.

The MPU implements global functions of the whole system, such as routing processing, resource

management, status monitoring and network management(NM) agent.

zProcess routing protocols, generate the forwarding table and deliver it to line cards.

zAs an agent for user operations, manage the system, monitor system performance and report

equipment running status to users according to users' operation instructions.

zMonitor and maintain running states of LPUs.

zMonitor and maintain running states of switching networks and clocks.

zMonitor running states of the fan system and power system.

Quidway® NetEngine 80 Core Router Main Processing Units

Copyright ©2007 Huawei Technologies Co., Ltd. All Rights Reserved.

http://www.huawei.com/products/datacomm/ 2

Specifications

Currently, the NE80 supports two types of MPUs: CR-MPUB and CR-MPUE. The difference lies in

their memory capacity. The memory capacity of the CR-MPUB is 512 MB, while that of the

CR-MPUE is 1 GB.

Both the CR-MPUB and the CR-MPUE have three external interfaces: CONSOLE port (COM port),

AUX port (auxiliary COM port) and 10/100BASE-TX Ethernet port.

Module

name Interface name Interface

type Description

ETH0 port RJ45 Used to connect the NM workstation; maximum

transmission distance: 100 m; 10/100M

adaptive; with LINK and ACT indicators.

CONSOLE port RJ45 RS-232 level; used to connect the console for

on-site configuration, maintenance,

management and upgrade of the system.

CR-MPUB

AUX port RJ45 RS-232 level; used to connect with Modem for

remote configuration, maintenance and

management through dialing.

ETH0 port RJ45 Used to connect the NM workstation;10/100M

adaptive; maximum transmission distance: 100

m; with LINK and ACT indicators.

CONSOLE port RJ45 RS-232 level; used to connect the console for

on-site configuration, maintenance,

management and upgrade of the system.

CR-MPUE

AUX port RJ45 RS-232 level; used to connect with Modem for

remote configuration, maintenance and

management through dialing.