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Home > Success Center > Log & Event Manager (LEM) > LEM Administrator's Guide > Send SNMP traps from LEM to other applications by turning on the SNMP Request Service

Send SNMP traps from LEM to other applications by turning on the SNMP Request Service

Updated: September 15, 2017

Turn on the SNMP Request Service to allow LEM to output SNMP traps to one or more applications on your network. Starting with version 6.3.0 LEM supports SNMP version 2 and SNMP version 3.

The SNMP Request Service must be turned on in LEM to do the following:

  • Send SNMP traps to devices when LEM rules fire.
  • Use NPM and the SolarWinds Orion Web Console to monitor LEM system resources such as CPU and memory.

 

LEM versions older than version 6.3.0 have the following limitations:

  • Only support SNMP version 2
  • Can only send SNMP traps to devices when rules fire
  • Do not support sending health or status updates to other devices over SNMP

 

To enable or disable the SNMP Request Service

  1. Open the CMC command line. See Log in to the LEM CMC command line interface for steps.

  2. At the cmc> prompt type:

    service

  3. At the cmc::service> prompt type:

    snmp

    A prompt similar to the following displays:

    SNMP Trap Logging Service is DISABLED
    Would you like to ENABLE the SNMP Trap Logging Service? [Y/n]

    The SNMP Trap Logging Service is not the same as the SNMP Request Service. The LEM SNMP Trap Logging Service receives SNMP traps from other devices, whereas the LEM SNMP Request Service outputs SNMP traps outside of LEM. See Enable LEM to receive SNMP traps by turning on the SNMP Trap Logging Service for more information.

  4. Do not change the status of this service unless you know what you are doing.

    Type Y or n to go to the next step and press Enter.

    A prompt similar to the following displays:

    SNMP Request Service is DISABLED
    Would you like to ENABLE the SNMP Request Service? [Y/n]
  5. Type Y or n to enable or disable the service and press Enter.

    If you enabled the SNMP Request Service, the following prompt displays:

    Enter the port number to access SNMP on LEM (default: 161):
  6. Type the port number that LEM should use to communicate with SolarWinds Network Performance Manager (NPM), and then press Enter.

    Ports 161 and 162 are standard.

    The following prompt displays:

    Enter the username to access SNMP on LEM (default: orion):
  7. Type the user name to use, and then press Enter.

    The following prompt displays:

    Enter the password hashing algorithm (SHA1, MD5 or NO for no authentication, default: SHA1):
  8. Enter an option, and then press Enter.

    The following prompt displays:

    Enter the authentication password (default: orion123):
  9. Type the password, and then press Enter.

    The following prompt displays:

    Enter the communication encryption algorithm (AES128, DES56 or NO for no encryption, default: AES128):
  10. Enter an option, and then press Enter.

    The following prompt displays:

    Enter the encryption key(default: orion123):
  11. Type the encryption key, and then press Enter.

    The SNMP Request Service is started.

  12. Type exit at the cmc::service> prompt to return to the main menu.

    Type exit again to log out and close the CMC command-line

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