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Troubleshooting Guide

CloudEngine 16800, 12800, 12800E, 8800, 7800, 6800, and 5800 Series Switches

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Why Does a Device Not Send Traps to eSight?

Why Does a Device Not Send Traps to eSight?

Assume that an SNMP connection is set up between a device and eSight and that eSight is configured as the trap host on the device. If the device generates a trap but eSight does not receive the trap, the possible cause is as follows: The device is connected to eSight through SNMPv3, but the notify view name is not configured on the device. To resolve the problem, perform the following steps:

  1. Run the display snmp-agent statistics command to check SNMP packet statistics. If 0 Trap PDU sent is displayed, the device does not send any traps. In this case, go to step 2. If the value of Trap-PDU sent is not 0, the device has sent traps. In this case, contact technical support personnel.

    <HUAWEI> display snmp-agent statistics
     3158 Messages delivered to the SNMP entity
     0 Messages which were for an unsupported version
     0 Messages which used an SNMP community name not known
     0 Messages which represented an illegal operation for the community supplied
     0 ASN.1 or BER errors in the process of decoding
     3152 Messages passed from the SNMP entity
     0 SNMP PDUs which had badValue error status
     0 SNMP PDUs which had genErr error status
     0 SNMP PDUs which had noSuchName error status
     0 SNMP PDUs which had tooBig error status
     3135 MIB objects retrieved successfully
     0 MIB objects altered successfully
     0 GetRequest PDU accepted and processed
     3158 GetNextRequest PDU accepted and processed
     0 GetBulkRequest PDU accepted and processed
     3152 GetResponse PDU sent
     0 SetRequest PDU accepted and processed
     0 Trap PDU sent
     0 Inform PDU sent
     0 Inform PDU received with no acknowledgement
     0 Inform PDU received with acknowledgement
  2. Run the display current-configuration configuration snmp-agent command to check the SNMP configuration. If snmp-agent group v3 huawei_group privacy write-view alliso acl 2001 is displayed in the command output, the notify-view notify-view parameter is not configured in the SNMPv3 user group configuration. In this case, go to step 3. Otherwise, contact technical support personnel.

    <HUAWEI> display current-configuration configuration snmp-agent
    #
    snmp-agent
    snmp-agent local-engineid 800007DB037079903D7E91
    #
    snmp-agent sys-info version v3
    snmp-agent group v3 huawei_group privacy write-view alliso acl 2001
    snmp-agent target-host trap address udp-domain 192.168.251.3 vpn-instance mgmt params securityname esight v3 privacy
    #
    snmp-agent mib-view included alliso iso
    snmp-agent usm-user v3 esight
    snmp-agent usm-user v3 esight group huawei_group
    snmp-agent usm-user v3 esight authentication-mode sha cipher %^%#|OLYKh;!YC3Ge+Q~%I@%G+4=Bx~tuRi}Ce7wk6/=%^%#
    snmp-agent usm-user v3 esight privacy-mode aes128 cipher %^%#(D]o+=4rE)_DL&3va~S0<L<L"+-]9*(/TK@g|EzV%^%#
    #
    snmp-agent packet max-size 1500
    #
    snmp-agent trap enable
    #
    return
  3. Configure the notify view name of the SNMPv3 user group.

    <HUAWEI> system-view
    [~HUAWEI] snmp-agent group v3 huawei_group privacy write-view alliso notify-view alliso acl 2001
    [*HUAWEI] commit
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Updated: 2020-01-07

Document ID: EDOC1000060766

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