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Tech Tip: NV - Queries to get list of devices.

From time to time there is a request for a query to provide a list of devices, so here are the most common one. Note: If the query results in a syntax error copy it into Notepad first. To get a list of certain types of devices. Nexus mysql nms2 -t -e "select dev alias, dev name from...


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Tech Tip: NV - Event Log Filtering

The Event Log can be used for troubleshooting various problems which relate to a specific service. Each of the NV services have an option to set Logging Level to Normal (Verbose) which will result in all available messages going into the Event Log. Note these verbose messages will only be...


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Tech Tip NV: Device Rediscovery Troubleshooting

This is helpful for a few things such as help in discovering why a dataset is not getting added to a device or to find out what can be used for an auto enable rule. Open the console at the poller Locate the device in the Groups tree Open the Event Log > Tools > Event Log > Edit ...


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Tech Tip NV - Using Java.exe mode for troubleshooting.

There is an option to configure NV to keep a command window open showing all the Java commands taking place in the Console background. It can be very helpful for troubleshooting but otherwise it is better to not use it due to the overhead. Some reasons to use this are the Console: crashes...


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Tech Tip NV - The ports that NV uses.

Here is the list of all the ports that NV uses. NV 7.1: TCP 80 - Web service (default) TCP 900 - Names service TCP 3308 - MySQL TCP 9601 - mibs.exe TCP 9602 - topology.exe TCP 9603 - polls.exe TCP 9604 - pingsvc.exe TCP 9605 - traps.exe TCP 9606 - notify.exe TCP 9607 -...


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Tech Tip NV - 'No Data Returned' Polling Failures.

Polling failures doe to 'No Data Returned' alarms can often be prevented by adding the isGet property to the device. Remote into the Poller and open the Console Groups tab Select the device Properties Add Name: isGet Value: 1 click OK Rediscover the Device By default NV will use...


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Tech Tip NetQoS NPC - How to get a record of who logs into the product.

NPC, NV, and NFA do not keep any record of who logs into the product. Because of this it is not possible to get a report from any of the products on who logs in and when. However SSO does record it into logs. The logs are located in: D :\NetQoS\SingleSignOn\Logs\ They are named in the...


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Tech Tip NV - Custom Dataset not working at one Poller

This is a case where the new dataset fails to get added to any of the devices at the Poller. Remote into the Poller and open the Console. Set the Topology service for Logging Level: Normal (Verbose). Open the Event Log via > Tools > Event Log. Right click on the device >...


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Tech Tip NV - Alarm Profile Name Character Limit.

When creating a new Alarm Profile the field for the Name will let you put in a long name but will truncate the Name to 32 characters after running nvrestart. Then any Notifications built pointing to the original name will fail to work. To prevent the problem only use Alarm Profile names of...


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Tech Tip NV - Manually clearing IPSLA rttJitter alarms will prevent new alarms from being generated.

In the Console when there are alarms for a rttjitter poll instance, if the alarm is manually removed it will prevent new alarms from getting generated for that poll instance. Restart the Polls service to reset it and get alarms generated again.