SNMP trap

1. Summary

This page is for configuring SNMP trap settings.

2. Top page

This is the top page for SNMP trap.

2.1. Trap type settings

  • The contents of the settings of trap type are shown.

  • Press the "Setting" button to access a page where you can change the settings.

2.2. List of traps destinations

  • Information for the currently registered traps destinations are shown.

  • The table items are explained below.

    • Destination address

      • Registered traps destination address are shown.

    • Version

      • SNMP version that used in trap are shown.

    • Community / User

      • SNMP community name or user name that used in trap are shown.

    • Message type

      • SNMP message type that used in trap are shown.

    • Security level

      • Displays the security level required in the user settings for the device to send traps.

  • If you press the "New" button, a page appears in which you can create a new traps destination.

  • If you press the "Setting" button, a page appears in which you can edit the settings of the selected traps destination.

  • If you press the "Delete" button, all traps destinations whose check box has a check mark will be deleted.

  • Up to 8 traps destinations can be registered.

3. Trap type setting page

This page is for configuring Trap type settings.
Enter the settings, and then press the "Confirm" button.
If there are no mistakes in the input content of the confirmation screen, press the "OK" button.

3.1. Trap type settings

  • Trap type

    • Select the trap type to send by SNMP agent from the list below.

      • Boot from power OFF state

        • Send traps when the power is turned on/off or when firmware is updated.

      • Restart without power OFF

        • Send traps when restart by reload command.

      • Link down of port

        • Send traps when link down of port.

      • Link up of port

        • Send traps when link up of port.

      • Fail authentication

        • Send traps when SNMP message to non-registered community or user is received.

      • Change Temperature status

        • Send traps when Temperature state is changed for example when temperature abnormally detected.

      • Change FAN status

        • Send traps when FAN state is changed for example when FAN abnormally detected.

      • Detect / lose L2MS agent

        • Send traps when an L2MS agent is detected or lost.

      • Detect / cancel ErrDisable

        • Send traps when the ErrDisable is detected or canceled.

      • RMON event

        • Send traps when the RMON event is executed.

      • Change device monitoring status

        • Send traps when the device monitoring function detects a change in the device status.

      • Detect root of spanning tree / change of topology

        • Send traps when a new root bridge is detected or when a topology change is detected.

      • Change PoE status

        • Send traps when PoE state is changed.

      • Detect / resolve the loop

        • Send traps when a loop is detected or resolved.

4. Trap destination setting page

In this page you can create a new trap destination oredit the settings of an already-registered trap destination.
Enter the settings, and then press the "Confirm" button.
If there are no mistakes in the input content of the confirmation screen, press the "OK" button.

4.1. Trap destination settings

  • Destination address

    • Sets the destination address of traps.

    • For the destination address, either an IPv4 address or an IPv6 address can be specified.

    • For IPv6 link local addresses, you must also specify the interface to send from. (Format: fe80::X%vlanN)

  • Version

    • Select the SNMP version used by traps.

      • SNMPv1

        • Send traps using SNMP version 1.

      • SNMPv2c

        • Send traps using SNMP version 2c.

      • SNMPv3

        • Send traps using SNMP version 3.

  • Community / User

    • Select the community or users used by traps.

    • Click the "Select" button to display the "Community selection" dialog or "User selection" dialog.

    • List of already-defined community or user is displayed at "Community selection" dialog or "User selection" dialog.

    • In the "Community selection" dialog or"User selection" dialog, pressing the "Select" button enables selectionof communities or users used by traps at the destination where the traps are sent.

  • Message type

    • Select the SNMP message type used by trap.

      • Use Trap

        • Message type that does not require response confirmation to the destination.

      • Use Inform Request

        • Message type that require response confirmation to the destination.

    • If SNMPv1 is selected as the version, then thte message type cannot be selected.

    • The Trap message type is always used for version SNMPv1.

  • Security level

    • Set the security level required in the user settings for the device to send traps.

    • You cannot use encryption alone without authentication.

    • Sending traps fails if the user settings do not meet the security level of the trap destination settings.