H3C S5150-EI Series Troubleshooting Manual
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H3C S5150-EI Series Troubleshooting Manual

H3C S5150-EI Series Troubleshooting Manual

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H3C S5150-EI Switch Series
Troubleshooting Guide
Document version: 6W101-20171222
Copyright © 2017 New H3C Technologies Co., Ltd. All rights reserved.
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.
The information in this document is subject to change without notice.

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Summary of Contents for H3C S5150-EI Series

  • Page 1 Troubleshooting Guide Document version: 6W101-20171222 Copyright © 2017 New H3C Technologies Co., Ltd. All rights reserved. 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.

  • Page 2: Table Of Contents

    Contents Introduction ····················································································· 1     General guidelines ····················································································································· 1   Collecting log and operating information ························································································· 1   Collecting common log messages ··························································································· 2   Collecting diagnostic log messages ························································································· 2   Collecting operating statistics ································································································· 3 Troubleshooting hardware ·································································· 5  ...
  • Page 3 Troubleshooting other problems ························································ 23     Layer 2 forwarding failure ·········································································································· 23   Symptom ························································································································· 23   Troubleshooting flowchart ··································································································· 23   Solution ··························································································································· 24   Related commands ············································································································ 27   Layer 3 forwarding failure ·········································································································· 28   Symptom ························································································································· 28  ...

  • Page 4: Introduction

    Introduction This document provides information about troubleshooting common software and hardware problems with H3C S5150-EI Switch Series. This document is not restricted to specific software or hardware versions. General guidelines IMPORTANT: To prevent a failure from causing loss of configuration, save the configuration each time you finish configuring a feature.

  • Page 5: Collecting Common Log Messages

    Table 1 Log and operating information Category File name format Content Log messages about command executions, event occurrences, Common log logfile.log state changes, and so on. Diagnostic log messages about device operation, including the following items: • Parameter settings used when an error occurs. Diagnostic log diagfile.log •...

  • Page 6: Collecting Operating Statistics

    Do not execute commands during operating statistics collection. • To ensure information completeness, H3C recommends that you save the statistics to a file. NOTE: The amount of time to collect statistics increases along with the number of IRF member devices.
  • Page 7 <Sysname> dir flash:/ Directory of flash: … 6 -rw- 898180 Jun 26 2013 09:23:51 diag.tar.gz 524288 KB total (107944 KB free) # To display operating statistics on the monitor terminal, enter n at the prompt. (The output from this command varies by software version.) Save or display diagnostic information (Y=save, N=display)? [Y/N] :N =============================================== ===============display clock===============...

  • Page 8: Troubleshooting Hardware

    Troubleshooting hardware This section provides troubleshooting information for common hardware problems. NOTE: This section describes how to troubleshoot unexpected switch reboot, removable power modules, and fixed fan trays. To troubleshoot transceiver modules and ports, see "Troubleshooting ports." Unexpected switch reboot Symptom The switch reboots unexpectedly when it is operating.

  • Page 9: Operating Power Module Failure (For Switch Models That Support Removable Power Modules)

    CRC error has occurred or that no system software image is available during the BootWare loading process, reload the system software image on the BootWare menu and configure it as the current system software image. If the problem persists, contact H3C Support. Operating power module failure (for switch models that support removable power modules) Symptom A trap or log is generated indicating that an operating power module is faulty.

  • Page 10: Newly-Installed Power Module Failure (For Switch Models That Support Removable Power Modules)

    Normal state in the new slot. If the power module remains in Fault state, go to step 4. If the problem persists, contact H3C Support. Fan tray failure Symptom A fan tray is not operating correctly.

  • Page 11: Related Commands

    Related commands This section lists the commands that you might use for troubleshooting fan trays. Command Description display fan Displays fan tray operating status information.

  • Page 12: Troubleshooting Acl

    If this field displays 0, the ACL hardware resources are exhausted. To free hardware resources for packet filtering or QoS classification, remove unused ACLs. If the problem persists, contact H3C Support. ACL application failure without an error message Symptom The system applies a packet filter or an ACL-based QoS policy to the hardware.

  • Page 13: Troubleshooting Flowchart

    Troubleshooting flowchart Figure 2 Troubleshooting an ACL application failure Solution Choose a solution depending on the module that uses the ACL. ACL used in a QoS policy To resolve the problem when the ACL is used in a QoS policy: Verify that the QoS policy is configured correctly: a.

  • Page 14: Related Commands

    If the ACL is configured incorrectly, reconfigure it. If the ACL is configured correctly, go to step 3. If the problem persists, contact H3C Support. ACL used in a packet filter To resolve the problem when the ACL is used in a packet filter: Verify that the packet filter is configured correctly.

  • Page 15: Troubleshooting Irf

    Troubleshooting IRF This section provides troubleshooting information for common problems with IRF. IRF fabric establishment failure Symptom An IRF fabric cannot be established.

  • Page 16: Troubleshooting Flowchart

    IRF port configuration Upgrade software to the same Same software version? Resolved? version in the fabric Contact H3C Support Solution To resolve the problem: Verify that the number of member devices does not exceed the upper limit (varies by software version).
  • Page 17 Verify that the member ID of each member device is unique: a. Execute the display irf command to view the member ID of each member device. b. Assign a unique member ID to each member. − If you are adding a new member device to an existing IRF fabric, assign the member device a member ID that is not being used in the IRF fabric.

  • Page 18: Related Commands

    However, the synchronization might fail when the gap between the software versions is too large. For more information, see the release notes. If the problem persists, contact H3C Support. Related commands This section lists the commands that you might use for troubleshooting IRF.

  • Page 19: Troubleshooting Ethernet Link Aggregation

    Troubleshooting Ethernet link aggregation This section provides troubleshooting information for common problems with Ethernet link aggregation. Link aggregation failure Symptom Some member ports fail to be placed in Selected state, and link aggregation does not operate correctly.

  • Page 20: Troubleshooting Flowchart

    Troubleshooting flowchart Figure 4 Troubleshooting link aggregation failure Solution To resolve the problem: Verify that all physical connections are correct. You can verify the physical connections against your network plan. Verify that all member ports are up: a. Execute the display interface command to display the status of the member ports.

  • Page 21: Related Commands

    This makes sure all member ports you assign to the aggregation group can become Selected ports. If the problem persists, contact H3C Support. Related commands This section lists the commands that you might use for troubleshooting Ethernet link aggregation.

  • Page 22: Troubleshooting Ports

    Troubleshooting ports This section provides troubleshooting information for common port problems. A fiber port fails to come up Symptom A fiber port fails to come up. Troubleshooting flowchart Figure 5 Troubleshooting link up failure on a fiber port Solution To resolve the problem: Verify that the speed and duplex mode of the local port match the speed and duplex mode of the peer port:...

  • Page 23: A Copper Port Fails To Come Up

    If the transceiver module is not operating correctly, replace it with a H3C transceiver module that matches the fiber port.

  • Page 24: Troubleshooting Flowchart

    Replace the local port with a new one to verify that the local port is operating correctly. Replace the peer port with a new one to verify that the peer port is operating correctly. If the problem persists, contact H3C Support.

  • Page 25: Related Commands

    Related commands This section lists the commands that you might use for troubleshooting ports. Command Remarks Displays or saves running status data for multiple feature display diagnostic-information modules. display interface brief Displays brief interface information. display transceiver alarm interface Displays alarms present on transceiver modules. Displays key parameters of the transceiver module installed in display transceiver interface an interface.

  • Page 26: Troubleshooting Other Problems

    Troubleshoot the Incoming error packets? Resolved? problem Packets filtered by Troubleshoot the Resolved? ACLs or QoS policies? problem Troubleshoot the Resolved? Port blocked? problem Locate and modify Port misconfigurations? Resolved? misconfigurations Troubleshoot the Port congestion? Resolved? problem Contact H3C Support...

  • Page 27: Solution

    If the problem persists, contact H3C Support. When you contact H3C Support, provide the following diagnostic information if packet loss occurs on the chip port with which the interface is associated: # Execute the debug port map slot 1 command in probe view to identify the chip port with which the interface is associated.
  • Page 28 SGE1/0/4 down SGE1/0/5 down SGE1/0/6 down SGE1/0/7 down SGE1/0/8 down SGE1/0/9 down SGE1/0/10 down SGE1/0/11 down SGE1/0/12 down SGE1/0/13 down SGE1/0/14 down SGE1/0/15 xe11 down SGE1/0/16 xe10 0x10 down SGE1/0/17 xe13 0x11 down SGE1/0/18 xe12 0x12 down SGE1/0/19 xe15 0x13 down SGE1/0/20 xe14...
  • Page 29 T511.xe1 T1023.xe1 T1518.xe1 TPOK.xe1 8,512 +8,512 TPKT.xe1 8,512 +8,512 TUCA.xe1 8,510 +8,510 TBCA.xe1 TBYT.xe1 628,832 +628,832 PERQ_PKT(7).xe1 8,512 +8,512 PERQ_BYTE(7).xe1 628,832 +628,832 DROP_PKT_ING(0).xe1 : 445,869 +445,869 43/s Verify that packets are not mistakenly filtered out by ACLs: a. Examine the ACL and QoS policy configurations for packet filtering on the port, on the VLAN of the port, or globally.

  • Page 30: Related Commands

    Execute the display stp brief command to verify that STP does not set the state of the port to discarding. When the port is in discarding state, it cannot forward traffic. H3C recommends that you disable STP on the port, or configure the port as an edge port if the port is connected to a terminal device.

  • Page 31: Layer 3 Forwarding Failure

    Command Description Displays whether an ACL has been successfully applied to display packet-filter an interface for packet filtering. display portal interface Displays the portal configuration information. Displays the rate limit configuration and statistics on a display qos lr interface specified interface or all the interfaces. display qos policy Displays user-defined QoS policy configuration information.

  • Page 32: Solution

    If the output interfaces are not the same, execute the reset command to clear the route entries. Then the switch can learn route entries again. If the problem persists, contact H3C Support. Related commands This section lists the commands that you might use for troubleshooting Layer 3 forwarding failure.

  • Page 33: Troubleshooting Flowchart

    SMAC 8 UNKNOWN_IPV4MC SMAC 8 UNKNOWN_IPV6MC SMAC 8 IPV4_MC_RIP SMAC 8 IPV4_BC_RIP SMAC 8 MCAST_NTP SMAC 8 BCAST_NTP SMAC 8 If the problem persists, contact H3C Support. When you contact H3C Support, provide diagnostic information if software-related packet loss occurred.

  • Page 34: Poe Power Supply Anomaly

    Verify that the PoE power is correctly used. For a PoE switch, use the PoE power according to the PoE power supply scheme. For information about the power supply compatibility, see H3C S5150-EI Switch Series Installation Guide. Execute the following commands to display power supply information: a.
  • Page 35 faulty LSW124POED-M The output shows that the PSE has problems. b. Execute the poe update command to upgrade the PSE processing software in service. <Sysname> system-view [Sysname] poe update full ver_3_9_0_release.bin pse 4 This command will fully update firmware on the specific PSE(s), Continue? [Y/N]:y System is downloading firmware into the hardware.

  • Page 36: Related Commands

    PoE interface, execute the poe max-power command to configure the maximum power with higher-wattage supply. If the problem persists, contact H3C Support. Related commands This section lists the commands that you might use for troubleshooting PoE.

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