H3C SR8800-X Manuale utente

H3C High-End Routers Quick Start

Maintenance Guide

Document version: 6W100-20230524

No part of this manual may be reproduced or transmitted in any form or by any means without prior written consent of New

H3C Technologies Co., Ltd.

Except for the trademarks of NewH3C Technologies Co., Ltd., any trademarks that may bementioned in this document are

the property of their respective owners.

The information in this document is subject to change without notice.

Contents

About this document······················································································1

Preparing for maintenance·············································································2

Maintaining the device···················································································3

Checking the LED status····································································································································3

SR8800-X/CR16000-F LEDs·····················································································································4

SR8800-X-S/SR8800-F LEDs····················································································································5

RX8800 LEDs ············································································································································6

CR16000-M/SR6600-G LEDs····················································································································7

Checking critical or minor alarms·······················································································································7

Checking the health status of the device ···········································································································8

Checking the status of cards and subcards·····································································································11

Collecting and reporting failure information··················································13

Collecting basic failure information ··················································································································13

Collecting log information·································································································································13

Collecting diagnostic information ·····················································································································14

Troubleshooting login failure········································································16

Checking for power supply system failure ·······································································································16

Checking for inconsistent serial communication parameter settings between the configuration terminal and the

console port······················································································································································16

Checking for MPU failure·································································································································17

Resetting the device·········································································································································17

Contacting H3C Support··································································································································17

Safety and configuration cautions and guidelines········································18

Hardware safety guidelines······························································································································18

CLI-based configuration cautions and guidelines ····························································································18

About this document

This document helps you maintain the high-end routers.

This document is not restricted to specific software or hardware versions. Procedures and

information in the examples might be slightly different depending on the software or hardware

version of the device.

Examples in this document might use devices that differ from your device in hardware model,

configuration, or software version. It is normal that the port numbers, sample output, screenshots,

and other information in the examples differ from what you have on your device.

Preparing for maintenance

1. Obtain the network topology graph and data plan (including interfaces, VLANs, and IP

addresses) and paste them at a place where it can be seen easily.

2. Prepare the tools and cables that might be required for maintenance. See Table 1.

Table 1 Tools and cables for maintenance

Item

Description

Cables

•One standard RS-232 serial port cable—Used to log in to the device

from the console port.

•Serial-to-USB adapter—Connects the USB port on the maintenance

terminal to the serial port on the device. Before the connection, install

the serial port driver on the maintenance terminal and verify that it can

operate correctly.

•Two straight-through network cables—Debug management network

ports or other services.

•Extension cable connectors—Used to extend cables when their

length is not enough.

•Optical fibers and transceiver modules such as

XFP/QSPF+/QSFP28/SFP28/CFP/CFP2/SFP+/SFP—Connect to the

peer device.

Maintenance terminal Typically, a maintenance terminal is a laptop used to install the serial

communication software for device login. To avoid license expiration, check

the serial communication terminal before you use it.

Auxiliary instruments,

meters, and tools

•Optical power meter—Test optical power and receiving sensitivity for

fiber ports.

•Hygrothermograph—Test the temperature and humidity of the

environment and fan outlet.

•Tweezers—Remove an optical fiber or transceiver module.

•Cleaning box for optical fiber end faces.

•Connector cleaning rod.

•Cable tie (cable clamp).

•Screwdrivers—Phillips screwdrivers and flat-head screwdrivers.

•Diagonal pliers.

3. Obtain contact information of H3C Support.

4. Access the H3C official website and apply for a user account as required. You can use the user

account to browse or download all product documents.

Maintaining the device

To check alarms, health status, and card status, and record failure information, log in to the device

through the console port, Telnet, or SSH. For how to log in to the device, see Fundamentals

Configuration Guide for the device. If you fail to log in to the device, see "Troubleshooting login

failure."

Figure 1 Maintenance flow

Checking the LED status

The device provides various LEDs to indicate the operating status of different objects. If a LED

indicates an abnormal state, record the failure information immediately and see the installation guide

for the router for how to troubleshoot and resolve the issue. If the issue persists, contact H3C

Support.

See the tables in this section to understand normal LED activity. The number and status of LEDs of

the same type for one type of card depend on the card model. For example, an MPU might provide

two fan tray status LEDs (OK and FAIL) or one fan tray status LED (OK/FAIL), depending on the

MPU model.

For more information about the descriptions of the LEDs, see the installation guide for the router.

Check LED status

Start

Check critical or minor alarms Check card and subcard

status

An exception has

occurred?

Resolvable?

Collect information

and contact H3C

Support

Yes

Check device health

status

End

Yes

SR8800-X/CR16000-F LEDs

Table 2 Descriptions for SR8800-X/CR16000-F LEDs indicating a normal state

Card

LED

LED status

Description

MPU

CF card status LED

(CFS)

On The CF card is present and idle. Do not

hot swap it.

Flashing The CF card is performing read/write

operations. Do not hot swap it.

Fan tray status LED

(FAN)

OK: On

FAIL: OFF All fan trays are operating correctly.

OK/FAIL: Green All fan trays are operating correctly.

Power status LED

(PWR)

OK: On

FAIL: OFF All power supplies are operating

correctly.

OK/FAIL: Green All power supplies are operating

correctly.

Card status LED

(SLOT)

RUN: Flashing (once per two

seconds)

ALM: Off The card is operating correctly.

RUN: Fast flashing (four times

per second)

ALM: On The card is loading software.

RUN: On

ALM: On The card might be starting up.

RUN/ALM: Flashing green The card is operating correctly.

RUN/ALM: Fast flashing green

(four times per second) The service module is loading

software.

RUN/ALM: Steady red The card might be starting up.

MPU status LED

(ACT)

On The MPU is operating in active mode.

Off The MPU might be operating in

standby mode.

Switching

fabric

module

Switching fabric

module LED

RUN: Flashing (once per two

seconds) The switching fabric module is

operating correctly.

RUN: Fast flashing (eight

times per second) The switching fabric module is starting

up.

RUN: Flashing (once per two

seconds)

ALM: Off

The switching fabric module is

operating correctly.

RUN: On

ALM: Off The switching fabric module is starting

up.

Service

module

Service module

LED

RUN: Slow flashing green

(once per second) The card is operating correctly.

RUN: Fast flashing green

(eight times per second)

The card is starting up. If the LED

keeps fast flashing green, the card fails

registration.

OAA module LED ALM: Off The system is operating correctly.

Card

LED

LED status

Description

RUN: Flashing green (once

per second) The system has started up and is

operating correctly.

Power

supply Power supply LED Steady green The power supply is operating

correctly.

Fan tray Fan tray LED

OK/FAIL: Steady green The fan tray is operating correctly.

OK: On

FAIL: OFF The fan tray is operating correctly.

SR8800-X-S/SR8800-F LEDs

Table 3 Descriptions for SR8800-X-S/SR8800-F LEDs indicating a normal state

Card

LED

LED status

Description

MPU

CF card status LED

(CFS)

On The CF card is present and idle. Do not

hot swap it.

Flashing The CF card is performing read/write

operations. Do not hot swap it.

Card status LED

(SLOT)

RUN/ALM: Flashing green

(once per two seconds) The card is operating correctly.

RUN/ALM: Fast flashing green

(four times per second) The service module is loading

software.

RUN/ALM: Steady red The card might be starting up.

RUN: Flashing

ALM: Off The card is operating correctly.

RUN: Fast flashing (four times

per second)

ALM: On

The service module is loading

software.

RUN: On

ALM: On The card might be starting up.

MPU status LED

(ACT) Off The MPU might be operating in

standby mode.

On The MPU is operating in active mode.

Fan tray status LED

(FAN)

OK: On

FAIL: OFF All fan trays are operating correctly.

OK/FAIL: Green All fan trays are operating correctly.

Power status LED

(PWR)

OK: On

FAIL: OFF All power supplies are operating

correctly.

OK/FAIL: Green All power supplies are operating

correctly.

Service

module Service module

LED

RUN: Slow flashing green

(once per second) The card is operating correctly.

RUN: Fast flashing green

(eight times per second)

The card is starting up. If the LED

keeps fast flashing green, the card fails

registration.

Card

LED

LED status

Description

OAA module LED ALM: Off The system is operating correctly and

no alarm has occurred.

RUN: Flashing green (once

per second) The system has started up and is

operating correctly.

Power

supply Power supply LED Steady green The power supply is operating

correctly.

RX8800 LEDs

Table 4 Descriptions for RX8800 LEDs indicating a normal state

Card

LED

LED status

Description

MPU

CF card status LED

(CFS)

On The CF card is present and idle. Do not

hot swap it.

Flashing The CF card is performing read/write

operations. Do not hot swap it.

Card status LED

(SLOT)

RUN: Flashing (once per two

seconds)

ALM: Off The card is operating correctly.

RUN: Fast flashing (four times

per second)

ALM: On The card is loading software.

RUN: On

ALM: On The card might be starting up.

MPU status LED

(ACT) Off The MPU might be operating in

standby mode.

On The MPU is operating in active mode.

Fan tray status LED

(FAN) OK: On

FAIL: OFF All fan trays are operating correctly.

Power status LED

(PWR) OK: On

FAIL: OFF All power supplies are operating

correctly.

Service

module Service module

LED

RUN: Flashing green (once

per second) The card is operating correctly.

RUN: Fast flashing green

(eight times per second)

The card is starting up. If the LED

keeps fast flashing green, the card fails

registration.

Switching

fabric

module

Switching fabric

module LED

RUN: Flashing (once per two

seconds) The switching fabric module is

operating correctly.

RUN: Fast flashing (eight

times per second) The switching fabric module is starting

up.

Power

supply Power supply LED Steady green The power supply is operating

correctly.

Fan tray Fan tray LED OK/FAIL: Steady green The fan tray is operating correctly.

CR16000-M/SR6600-G LEDs

Table 5 Descriptions for CR16000-M/SR6600-G LEDs indicating a normal state

Card

LED

LED status

Description

MPU

MPU running status

LED (RUN)

Flashing (once per two

seconds) The MPU is operating correctly.

Fast flashing (four times per

second) The MPU is starting up.

MPU

active/standby

status LED (ACT)

On The MPU is operating in active mode.

Off The MPU might be operating in

standby mode.

MPU alarm status

LED (ALM) Off The MPU is operating correctly.

Fan tray status LED

(FAN) Steady green All fan trays are operating correctly.

Power status LED

(PWR) Steady green All power supplies are operating

correctly.

Interface

module Interface module

LED (RUN)

Flashing (once per two

seconds) The module is operating correctly.

Fast flashing (four times per

second)

The module is loading software. If the

module stays in this state, it indicates

that software loading has failed.

Switching

fabric

module

Switching fabric

module LED (RUN)

Flashing (once per two

seconds) The switching fabric module is

operating correctly.

Fast flashing (four times per

second) The switching fabric module is starting

up and is loading software.

Fan tray Fan tray LED Steady green The fan tray is operating correctly.

Power

supply Power supply LED Steady green The power supply is operating

correctly.

Checking critical or minor alarms

If a network management system is deployed, you can also identify whether an alarm has occurred

from the network management system. For more information, see the user guide for the network

management system.

To identify whether an ERROR alarm has occurred, use the display alarm active command.

In daily maintenance, you must handle the ERROR alarms immediately. For alarms that cannot be

handled, contact H3C Support.

<Sysname> display alarm active

Seq Level Time Info

191 WARNING 2022-03-14 10:45:04 Temperature is greater than the high-tem

perature warning threshold on slot 3 sensor hotspot 1.

1 ERROR 2022-03-10 17:58:14 Power 2 is absent.

Table 6 Command output

Field

Description

Seq Alarm sequence number, assigned when an alarm occurs.

Level Alarm severity. Possible values include ERROR, WARNING, NOTICE,

and INFO, in descending order of severity.

Time Time when the alarm occurred.

Info

Detailed alarm information. The values include:

•Board state changed to Fault on slot xx—The state of the

specified slot changed to Fault. The slot might be starting up or

might be faulty.

•Slot xx fan xx is absent—The specified fan is absent.

•Slot xx fan xx is failed—The specified fan is abnormal.

•Slot xx power xx is absent—The specified power supply is

absent.

•Slot xx power xx failed—The specified power supply is abnormal.

•Temperature is higher than the high-temperature alarming

threshold on slot xx sensor inflow xx—The temperature of the

specified sensor has exceeded the high-temperature warning

threshold.

•Memory minor threshold has been exceeded on slot xx—The

amount of free memory space on the specified slot has exceeded

the minor alarm threshold.

•CPU usage is in minor alarm state on slot xx—The CPU usage

on the specified slot has exceeded the minor alarm threshold.

•Interface-name: RX power is high!—The optical power on the

specified interface is too high.

•Interface-name:The bit error ratio exceeds the upper

threshold—The bit error rate of the specified interface has

exceeded the upper limit.

Checking the health status of the device

Use the following commands to view the health status of the device:

•

display health

•

display memory

•

display fan

•

display power

•

display environment

# Use the display health command to verify that the CPU usage and memory usage of each

card are below 80% and 60%, respectively.

<Sysname> display health

Slot CPU Role CPU Usage(%) Memory Usage(%) Used/Total(MB)

1 0 MPU(Master) 7 23 1902504/8130012

2 0 LPU 9 48 963064/1991292

3 0 LPU 7 47 1913916/4052524

5 0 LPU 4 18 1538196/8158684

6 0 SFU 3 36 361296/984332

7 0 SFU 6 36 361348/984332

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