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Summary of Contents for FS S3100 Series
- Page 1 S3400-24T4SP SWITCH SGNP CONFIGURATION 3100 Series Switches Troubleshooting Guide S3100 Series Switches Troubleshooting Guide Models: S3100-16TF; S3100-8TMS-P; S3100-16TF-P; S3100-16TMS-P...
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Page 2: Table Of Contents
S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE Contents Chapter 1 Switch Hardware Fault Maintenance ..................1 1.1 Indicator Light Status Fault ..............................1 1.1.1 Status Light ..........................................1 1.1.2 Port Link/ACT Light .......................................1 1.2 Power Supply Fault ................................2 1.3 Fan Fault ....................................3 1.4 Optical Module Fault Handling ............................3 1.4.1 Optical Module Fault Handling ..................................3... - Page 3 S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE 4.5 General Issue Information Collection ..........................16 www.fs.com...
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Page 4: Chapter 1 Switch Hardware Fault Maintenance
When the Status light is red, you can use a PC super terminal to confirm whether the switch's software is running normally. The S3100 series does not have a Power indicator. The Status light only remains solid after the software has successfully loaded. -
Page 5: Power Supply Fault
S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE 3. Normally, the LED flashes only during data transmission, and the flashing frequency is the same for the same model. Compare with normal ports to determine if the flashing is abnormal. 4. Use the show interface status command to confirm if the port status is normal and if it is in an unstable Link state. If so, proceed to the "Port Link Status Abnormal"... -
Page 6: Fan Fault
S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE 1.3 Fan Fault The fan troubleshooting process for box switches applies to environments where all fans in the box switch have stopped. This process provides fault location and handling: 1. First, confirm if the power supply to the fan is normal. -
Page 7: Fiber Optic Related
S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE proceed with the following steps for further analysis. 7. Replace one of the optical modules and confirm if the issue is resolved. 8. Replace the fiber optic cable and confirm if the issue is resolved. -
Page 8: Optical Module Related
S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE laser radiation. 7. The quality of fiber optic jumpers directly affects the connection performance of the entire optical link (transmission distance, connection stability, etc.). Poor-quality jumpers can introduce more contamination risks and directly damage the module. -
Page 9: Poe Function Abnormal
S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE 1.5 POE Function Abnormal 1. Confirm the status and legitimacy of the customer's PD (Powered Device). If all PD devices at the customer's site cannot be powered, test using our PD device (e.g., AP). If some PDs are abnormal, connect a working PD to the abnormal port to confirm if it functions normally. -
Page 10: Chapter 2 Switch System Fault Maintenance
S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE Chapter 2 Switch System Fault Maintenance 2.1 Device Cannot Enter Console This fault commonly manifests as no terminal output, inability to input, or garbled text. 1. Confirm if the fault occurs immediately after the switch boots or after a period of normal operation. -
Page 11: Device Reboot
S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE 6. If there are expansion modules, remove them to see if there is any improvement. 7. Try entering Boot or Ctrl to check the software version number and file system for abnormalities. 8. Delete the configuration file to see if there is any improvement. - Page 12 S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE network settings (e.g., firewall) to ensure TFTP transmission is not blocked. 5. Use a packet capture tool to confirm if the port used for upgrade is sending TFTP request packets. If requests are sent but no response is received, the issue is on the PC side. If no request packets are captured, the switch port hardware may be faulty.
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Page 13: Chapter 3 Common Fault Handling
S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE Chapter 3 Common Fault Handling 3.1 Optical Port Cannot Link or CRC Error Statistics 1. Confirm the switch configuration is correct. 2. Confirm the interface negotiation status is consistent on both ends (e.g., both are in auto mode or forced mode). -
Page 14: Port Link Status Abnormal
S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE The above steps can be selectively executed based on on-site conditions. After completing these steps, the fault point can usually be identified. If the issue is with the fiber optic cable, replace it. If the issue is with the optical module, use a blower or strong wind (e.g., from a fan) to blow or suck the TX and RX ports of the optical module, then test the connection status... -
Page 15: Optical Port Cannot Come Up
S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE module is likely faulty. 12. Try replacing the optical module to check if it is a module fault. 13. Try replacing the expansion module to check if it is an expansion module fault. 14. Record all operations and information generated during the process for further analysis. - Page 16 S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE 3. Confirm if the user's computer firewall is turned off. 4. Use the Console to enter the main program interface and use the Show interface Fa 0/1 counters command (assuming Fa 0/1 is faulty) to confirm if there are CRC errors and whether they are on the sending or receiving end. Collect the information for further analysis.
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Page 17: Chapter 4 Log Collection
S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE Chapter 4 Log Collection 4.1 Basic Information Collection show power // Confirm if the device's power supply is sufficient. show log // Use show log to check for abnormal information, such as power supply issues that may prompt "The power not enough, current system is in danger. -
Page 18: Pc Cannot Access Network Or Other Communication Issues
S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE - Configuration information: show running-config - Network topology information 4.3 PC Cannot Access Network or Other Communication Issues When communication issues occur, follow these steps for analysis and information collection: 1. Check if the switch has configured port security, ACL, or other access rules that may restrict the PC. If so, make corrections. - Page 19 S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE 4.5 General Issue Information Collection When encountering uncommon issues, try to collect the following information: 1. Logs corresponding to the issue when it occurs. 2. Information about newly added devices and configurations in the environment when the issue occurs.
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