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Before You Start

Before you take over the maintenance of the switch, you are advised to:

1

Obtain the network's

topology diagram and data plans

(including ports, VLANs, and IP addresses),

print them, and paste them in your equipment room for quick reference.

2

Print the following 

contact information

and paste it nearby your workplace.

Contact method of the agent who is responsible for constructing your network and providing service

3

Prepare the

tools and cables

that you may use during device maintenance.

4

Visit Huawei enterprise technical support website (

http://support.huawei.com/enterprise

) to register

an

account

. Then you can browse or download more product documents, cases, and announcements,

and receive push messages from the website.

No.

Item

Description

1

Cable

Maintenance terminal

Instruments and meters

An RS232 serial cable: used to log in to the device through the console port.

Serial to USB converter: used to connect the USB port of the maintenance terminal to the

Console port of the switch.

Two straight-through cables: used to commission the management port or other services.

Multiple fibers and SFP/eSFP/SFP+/XSFP/QSFP+ optical modules: used to connect the switch

to other network devices.

A maintenance terminal can be a portable computer with serial communication software installed.

You can log in to the switch through the maintenance terminal.

Optical power meter: used to test optical parameters of optical ports

(such as optical power and receive sensitivity).

2

3

1

4

5

This document uses the command outputs of V200R003 as an example. If your switch is not running

V200R003, the actual command outputs may be different. This document will provide the important

version differences.

Summary of Contents for S7700 Series

Page 1: ...Quick Maintenance Issue 03 2019 01 16 S7700 and S9700 Series Smart Core Routing Switches ...

Page 2: ...cts services and features described in this document may not be within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees or representations of any kind either express or implied The information in this document is subject to change without notice Every eff...

Page 3: ...Contents 1 2 10 12 Before You Start How to Quickly Maintain the S7700 S9700 Fault Information Collection and Feedback Solution to Device Login Failure Risky Operations 8 ...

Page 4: ...Description 1 Cable Maintenance terminal Instruments and meters An RS232 serial cable used to log in to the device through the console port Serial to USB converter used to connect the USB port of the maintenance terminal to the Console port of the switch Two straight through cables used to commission the management port or other services Multiple fibers and SFP eSFP SFP XSFP QSFP optical modules u...

Page 5: ...t Is the fault rectified Collect and report the fault information End Yes No The overall S7700 S9700 maintenance process is as follows 2 To check the alarms health status card status and record fault information you must log in to the switch through the Console port Telnet or STelnet For how to log in to the switch see Configuration Guide Basic Configuration If you fail to log in to the switch see...

Page 6: ...the normal status of each indicator on the switch 3 Note For the meanings status and status description of each indicator see the Hardware Description Category Indicator Normal State 1600 W DC Power supply INPUT ALM Steady green Off MPU RUN ALM ACT Slow blinking green Steady green active MPU off standby MPU CMU RUN ALM ACT Slow blinking green Steady green active CMU off standby CMU LPU RUN ALM Slo...

Page 7: ...Storage utilization excee ded the pre alarm threshold Index 70778889 BaseUsagePhyIndex 0 UsageType 5 U sageIndex 0 Severity 4 ProbableCause 151 EventType 4 PhysicalName MPU Board 14 RelativeResource UsageValue 92 UsageUnit 1 UsageThreshold 90 4 Independent 2014 07 29 19 43 21 08 00 0x418c2002 hwGtlDefaultValue Major S tart OID 1 3 6 1 4 1 2011 5 25 142 2 1 Current license value is default the rea ...

Page 8: ...0 0 00 38 00 2 normal 64 00 0 00 34 00 10 1 normal 58 00 0 00 36 00 2 normal 56 00 0 00 31 00 If the temperature is abnormal check whether the ambient temperature in the equipment room is normal whether the heat dissipation channel in the chassis is blocked and whether all fan modules are working properly Take appropriate measures accordingly If the fault cannot be rectified record the fault infor...

Page 9: ...h contact your agent or Huawei enterprise technical support hotline 7 View the storage media usage information The storage media usage should be lower than 80 Disk Usage Information System disk usage at 2004 08 03 16 10 35 Slot Device Total Memory MB Used Memory MB Used Percentage 13 flash 103 88 85 cfcard 509 438 86 If the storage media usage exceeds 80 delete redundant files For details see the ...

Page 10: ...R2 Present PowerOn Registered Normal NA CMU1 EH1D200CMU00 Present PowerOn Registered Normal Master FAN1 Present PowerOn Registered Normal NA FAN2 Present PowerOn Registered Normal NA FAN3 Present PowerOn Registered Normal NA FAN4 Present PowerOn Registered Normal NA Check the following items Whether the Online value is Present Whether the Power value is PowerOn Whether the Register value is Regist...

Page 11: ...Record the severity of the fault and impacted services Draw a networking diagram including the upstream and downstream devices and connected ports Record the measures that have been taken and effect of the measures including command execution procedure and output 2 3 4 Collect Switch Running Information Log in to the switch and run the display diagnostic information command to collect switch runni...

Page 12: ...ogs as follows HUAWEI save logfile Collect common user logs HUAWEI system view HUAWEI diagnose HUAWEI diagnose save diag logfile Collect diagnostic logs HUAWEI diagnose terminal diag logging Enable diagnostic log debugging You can transfer the files from cfcard logfile to your computer through TFTP FTP or SFTP to facilitate information query and feedback For details see the Configuration Guide Bas...

Page 13: ...heck the RUN indicator of the power supply If the indicator is off the power supply input is abnormal Request the electrician to recover the power lines in the equipment room rack or cabinet 3 Check the ALM indicator of the power supply If the indicator is on the power supply is abnormal Replace the power supply 4 If the cards cannot be powered on and no error is found in the preceding checks cont...

Page 14: ...ter you remove reinstall or replace the MPU you can restart the switch Power off the switch and then power on it after 3 minutes 5 Seek technical support If the preceding methods are ineffective contact your agent or Huawei enterprise technical support hotline ...

Page 15: ... Related Risky Operations Run the reboot command to restart the switch Run the reset slot command to reset cards Run the power off slot command to power off cards Run the shutdown command to shut down physical ports Run the format command to format the storage device Run the delete command to delete files from the storage device Run the reset command to reset protocols Change the authentication me...

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