Troubleshooting FAQ

  • How can I verify my Netflow and Top talkers features have been enabled successfully?

    One of the main reasons for the Net flow test, Top Sources test, and Top Destinations test to not report metrics is that the Top talkers may not be configured properly or currently top talkers may not be available. You can verify if your Netflow and Top talkers have been enabled successfully using the following command from the command prompt of the router:

    show ip flow top-talkers

    If the output is available as mentioned in Figure 1, then the Net Flows, Top Sources and Top Destinations tests will report the required metrics.

    Output view with top talkers and Netflow being enabled perfectly

    Figure 1 : The outputs when top talkers and Netflow is enabled perfectly

    If the output as mentioned in Figure 2 appears, then you can clearly figure out that the Top talkers have not been configured properly. The tests will report metrics only when both the Netflow and Top talkers are configured and enabled properly.

    Output view with top talkers being unconfigured

    Figure 2 : The output showing that the top talkers are not configured properly

    If the following output (see Figure 3) appears, then you can figure out that though the Netflow and Top Talkers are configured and enabled, there are currently no Top talkers available. Therefore metrics will not be reported for the tests.

    Output view without top talkers

    Figure 3 : The output showing there are no top talkers

  • How do I verify if my NBAR protocol has been discovered successfully?

    Execute the following command from the command prompt of the Cisco Router:

    show ip nbar protocol-discovery

    If the output as shown in Figure 4 appears, then you can confirm that the NBAR protocol has been discovered successfully.

    Output view showing successful NBAR protocol discovery

    Figure 4 : The output that appears upon successful NBAR protocol discovery

  • I don’t have access to the Cisco Router that I wish to monitor. The Network engineer who manages the Cisco Router is informing me that the Netflow and Top Talkers features are enabled and configured. How can I cross verify if the features have indeed been enabled successfully?

    Execute the snmpwalk command for the following OID from the command prompt of the eG agent install directory:

    .1.3.6.1.4.1.9.9.387.1.7.8.1

    Note that the syntax for the snmpwalk command will vary based on the SNMPVERSION with which the router is configured.

    If the Netflow and Top Talkers features are enabled and configured properly, then the output as shown in Figure 5 will appear. Remember that the output as shown in Figure 5 will appear only if Top Talkers are available.

    Output view with Netflow and Top Talkers being enabled

    Figure 5 : The output that appears when Netflow and Top Talkers are enabled

    If the Top Talkers are not configured properly or if there are currently no top talkers available, then the output will appear as shown in Figure 6.

    Output view with unavailable/unconfigured top talkers

    Figure 6 : The output that appears when top talkers are not available/not configured