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[MX/EX/SRX] Understanding the output of OID 1.3.6.1.4.1.2636.3.50.1.2.1.4 (jnxRpmResSumPercentLost)

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Article ID: KB35851 KB Last Updated: 10 Jun 2020Version: 2.0
Summary:

This article explains what the multiple lines in the output for OID jnxRpmResSumPercentLost mean.

Note: The explanation in this article holds good both when OID is polled externally from a monitoring tool or when it is run locally on the device via Junos CLI. Here, we provide an explanation by locally running the command for the above OID.

 

Solution:

The percentage of probes that are lost within the collection can be obtained by using OID 1.3.6.1.4.1.2636.3.50.1.2.1.4 (jnxRpmResSumPercentLost).

The command show snmp mib walk 1.3.6.1.4.1.2636.3.50.1.2.1.4 returns three lines in the output as shown below. Here is what each of these means:

root@EX4200> show snmp mib walk 1.3.6.1.4.1.2636.3.50.1.2.1.4 

jnxRpmResSumPercentLost.5.111.119.110.101.114.4.116.101.115.116.1 = 20  <-- Results over current test
jnxRpmResSumPercentLost.5.111.119.110.101.114.4.116.101.115.116.2 = 60  <-- Results over last test
jnxRpmResSumPercentLost.5.111.119.110.101.114.4.116.101.115.116.4 = 40  <-- Results over all tests

You can also run the command show services rpm probe-results to understand this in more detail. The probes are sent periodically at a set time with a predefined test size of 10 probes.

The output here shows three results each for the current test, for the last test, and over all tests.

root@EX4200> show services rpm probe-results

<o/p trimmed only to capture probe results for brevity>
Owner: PING_RPM, Test: sg-netjump
Target address: 10.106.16.2, Probe type: icmp-ping, Test size: 10 probes
Probe results:
Request timed out, Thu May 10 14:07:52 2020
Results over current test:
Probes sent: 10, Probes received: 8, Loss percentage: 20.000000              
Results over last test:
Probes sent: 10, Probes received: 4, Loss percentage: 60.000000
Results over all tests:
Probes sent: 20, Probes received: 12, Loss percentage: 40.000000

Test completed on Thu May 10 11:59:34 2020

​For more information about the OIDs refer to Juniper's SNMP MIB Explorer site:

 

Modification History:

Changed Summary to include recommendations and added links to the MIB explorer tool, which can be used to get the description of OIDs

 

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