Ruijie S8600E Series Operating instructions

S8600E Series Switch
Routine Maintenance and Troubleshooting

Contents
■Preface
■Routine Maintenance Suggestions
■Handling of Common Faults
■Troubleshooting
■Obtaining Help

Preface
Revision History
Audience
Ruijie business partners and customers who are responsible for configuring
and maintaining Ruijie wireless devices.
Note :
For more detail configuration , see configuration guide for each product . you can download
configuration guide at http://www.ruijienetworks.com
For more technical enquiry , you can visit Ruijie Service portal at http://case.ruijienetworks.com
. You need to sign up before submit a case.

Contents
■Preface
■Routine Maintenance Suggestions
■Handling of Common Faults
■Troubleshooting
■Obtaining Help

Routine Maintenance Suggestions
Importance of routine maintenance:
□Routine maintenance is preventative, during which defects or potential issues
of the device can be timely detected and solved in the process of normal
operating and the device health level can be maintained, so that the device
can securely, stably, and reliably operate in a long term.
Major contents of routine maintenance:
■Hardware running status maintenance
■Smart and automatic health check and periodical maintenance using the Ruijie
Networks health check tool (recommended)
■Manual check of software running status
■Periodical maintenance using the network management system (NMS)
■Checking whether the version upgrade is needed every half year or every year

Routine Maintenance Suggestions–Hardware Running Status
Maintenance
■Check the environment.
□Cleanness:
▪The equipment chassis and floor should be clean and free of any dust. Clean or replace the cabinet
air filters in time; otherwise, ventilation and heat dissipation of the cabinet door and fan tray will be
affected.
□Heat dissipation:
▪When the device runs normally, fans should run properly. If any fan is faulty, the device temperature
will increase and may damage the device. Do not place sundries at the air inlet or outlet of the
device. In addition, periodically clean the dust away from the fans to prevent too much dust from
accumulating on the fans.
▪Run the Ruijie#show tempr command to check whether the operating temperature of the device is
normal.
▪It is recommended a routine inspection be performed on a monthly basis.

Routine Maintenance Suggestions–Hardware Running Status
Maintenance
■Device hardware status:
□Status indicators:
When the device is running, you can check the indicators on boards to monitor the running status
of each board.
If the Alarm indicator on the supervisor module is on in red, a fault occurs in the system. In
this case, log in to the system and check the logs or hardware status information to locate
and rectify the fault.
If the Alarm indicator on the supervisor module is on in yellow, the system temperature
exceeds the alarm threshold and affects the running performance of the system, but the
system can still run. In this case, log in to the system and check the related fault information
to locate and rectify the fault.
If the Status indicator of the fan tray is off, the fan tray is not powered or is faulty. In this
case, log in to the system and check the fan status.
If the Status indicator on a board is off, flashes, or is on in red, the board is faulty. In this
case, identify the fault cause and, if necessary, perform a power-off check.
It is recommended a routine inspection be performed on a monthly basis.

Routine Maintenance Suggestions–Hardware Running Status
Maintenance
■Device hardware status:
□Fans:
▪Fans do not generate abnormal sound. Little dust is attached on the fans. You can run
the show fan command to display the operating status of fans.
□Power supply:
▪The power supply is normal, and the indicator is on in green. You can run the show
power command to display the operating status of the power supply.
It is recommended a routine inspection be performed on a monthly basis.

Routine Maintenance Suggestions–Manual Check of Software
Running Status
Recommended check items:
Health status items:
■CPU usage: Check whether the CPU usages of the line card and engine are
normal.
■CPU protection (CPP) count: Check the number of received or dropped CPU
packets to judge whether the network environment is normal.
■Memory usage: Check whether the memory usage is normal.
■Interface status: Check whether any interface encounters a CRC error.
■Logs: Check whether any abnormal log information exists.
Device configurations (optional)
Run the show ip route command to check whether the route size is the same or
close to the normal size.
Run the show arp counter command to check whether the number of users is the
same or close to the usual size.
Run the show run command to check whether any configuration changes.
It is recommended a routine inspection be performed on a monthly basis.

Routine Maintenance Suggestions–Manual Check of Software
Running Status
■CPU usage:
□Use the show cpu command to check the CPU running status.
▪Ruijie#show cpu New feature: The CPU usage of each line card can be
displayed in RGOS 11.X.
=======================================
CPU utilization in five seconds: 12.41%
CPU utilization in one minute: 13.11%
CPU utilization in five minutes: 13.08%
The CPU usage may increase sharply in a short time if a batch configuration is
performed or a show command is executed. This is a normal symptom.
▪show processes cpu history New feature: Statistics can be taken on the
history CPU usages.
▪In the healthy state, "CPU utilization in five minutes" should be lower than
30%. The CPU usage increases with the load of bearer services, which is a
normal symptom. However, if the CPU usage exceeds 60%, call 4008-111-
000 for consultation or check the technical support documents on the official
website of Ruijie Networks.
It is recommended a routine inspection be performed on a monthly basis.