How to Add MIBs to Extreme Management Center

In order to communicate with your network devices, Extreme Management Center (Management Center) relies on a database of compiled MIB information. This database gives Management Center the ability to query and set (as appropriate) MIB objects resident on your devices.

If you want to use Management Center to manage devices other than Extreme Networks devices, you can add the appropriate proprietary MIBs to the MIB database on the Management Center Server. This MIB information is then distributed to the Management Center remote clients. The MIBs for these devices must be compiled prior to being added to Management Center's MIB database. You can run snmptranslate to verify the format for MIBs you add to Management Center.

snmptranslate is an application that translates one or more SNMP object identifier values from their symbolic (textual) forms into their numerical forms (or vice versa). As described here, snmptranslate is being used only to verify that a MIB has been properly compiled and can be interpreted by Management Center. It attempts to read a particular known MIB object and, if successful, return a brief message.

Management Center provides four scripts that run the snmptranslate tool:

  • checkServerMibs.cmd - Windows Management Center Server
  • checkMibs.cmd - Windows Management Center client
  • checkServerMibs.sh - Linux Management Center Server
  • checkMibs.sh - Linux Management Center client

Use the following steps to add a MIB to the MIB database on the Management Center Server.

  NOTE: These steps recommend that you begin by adding your MIBs to the MyMibs directory on the Management Center client. This allows you to test the MIBs without impacting other Management Center clients. You can then add the MIBs to the MyMibs directory on the Server host system. The MIB information is then distributed to the Management Center remote clients.
  1. With Management Center and MIB Tools shut down, add the new MIB file to:

    Windows 7: C:\Users\<user name>\AppData\Roaming\NetSight\System\mibs\MyMibs
    Linux: ~\NetSight\System\mibs\MyMibs
     NOTE:For Windows 7, the Management Center install defaults to the "Roaming" directory, however it may also be the "Local" directory, depending on how the Domain is set up.

    In Windows 7, the MyMibs directory may be hidden. To show hidden files and folders, use the following instructions:
    1. Click the Start button and open the Control Panel > Appearance and Personalization > Folder Options.
    2. Click the View tab.
    3. Click Show hidden files and folders in the Advanced Settings section of the window and click OK.

  2. Use the checkMIBs script to run the snmptranslate tool to verify that the MIB you are adding has been properly compiled. The checkMIBs script is located in:

    Windows 7: C:\Users\<user name>\AppData\Roaming\NetSight\tools\snmputils\checkMIBs.cmd
    Linux: ~\NetSight\tools\snmputils\checkMibs.sh

  3. If the MIB is correctly compiled, a message similar to the following displays:

    RFC1213-MIB::sysDescr
    or
    system.sysDescr

    However, if the MIB is not correctly compiled, the result a series of error messages display. You must correct the discrepancies in the MIB before using it with Management Center. Do not run Management Center with a corrupted MIB. Remove the MIB from the mibs directory prior to starting Management Center or MIB Tools.

  4. When you have verified that the MIB is correctly compiled, add the new MIB to the MyMibs directory on the Server host system. The MyMibs directory is saved if Management Center is re-installed and restored following re-installation. The MyMibs directory lets you maintain your MIBs separately from the MIBs initially installed with Management Center.

    <install directory>\appdata\System\mibs\MyMibs

  5. Restart the Management Center Server and launch Management Center. The new MIB is automatically distributed to all remote clients.

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