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Foglight APM for Real User Experience 5.9.10 - Installation and Setup Guide

Installation overview Installing physical appliances Installing virtual appliances Setting up appliances Working with appliance-hosted Management Servers Setting up server-hosted Management Servers Maintaining appliances Backing up and restoring physical appliances Appendix: Troubleshooting

Reviewing the status of NIC devices

You can review the status of the Network Interface Cards (NIC) devices used for the appliance’s control port (eth0), auxiliary port (eth1), and monitoring ports (eth2, eth3, and so on). If the status appears similar to the output in the following image, the NIC drivers are loaded correctly.
Figure 16. Device Status page
Any of the following scenarios may indicate a problem that needs to be addressed:
•
An excessive number of RX and TX errors, dropped packets, or overruns may indicate a hardware problem with the NIC.
•
eth1—when the number of RX packets and TX packets is 0, there may be a problem with the capture subnet. Check the connection between Sniffers and Archivers and verify that they belong to the same capture subnet. For physical appliances, see Connecting Sniffers. For virtual appliances, see Creating port groups on virtual switches.
•
eth2, eth3, and so on—when the number of RX packets and TX packets is 0, the monitoring port is not seeing any web traffic. For physical networks, check the cable connecting the network tap to the monitoring port to see if it is damaged and replace it if necessary. For virtual appliances, ensure the Monitoring Network port group is set to promiscuous mode. If you still see no traffic, there may be no traffic crossing the tap point. Try generating some traffic and/or moving the tap to a more suitable location in the network.
To display the NIC devices status:
1
From the main menu, select Advanced Options.
2
Select More Advanced Options, then Display NIC Information.
The System Status screen appears.
3
Review the appliance information, using the arrow keys to scroll down if necessary.
4
Select OK to return to the More Advanced Options.

Verifying monitored traffic by port

You can verify that the ports currently being monitored by the appliance are carrying web traffic. See also Reviewing the status of NIC devices.
To verify a monitored port:
1
From the main menu, select Advanced Options.
2
Select More Advanced Options, then Verify Monitored Traffic.
The Verify Monitor Devices screen appears. Appliance monitoring ports that are connected to network taps are identified by the words [Link detected].
 
* 
NOTE: The content of this screen changes, depending on how many NICs are installed.
3
Select a port showing [Link detected], then select OK.
4
Select the network ports to monitor for web traffic. You can select default ports, all ports, or specify the ports to monitor.
5
Select OK.
A status screen displays IP addresses sending web traffic over the selected ports. When the process ends, the results of the test appear.
6
Select OK.
You return to the ports.
7
Select another port to test, or if you are done, select Back until you return to the main menu.

Purging and resetting Archiver databases

You can delete the capture data stored in the Archiver database hosted on an appliance. Recall that the Archiver database is a distributed database, with each Archiver storing a portion of the overall database. To purge the entire Archiver database, you need to repeat this procedure on each appliance containing an Archiver.
If you are taking an appliance out of service, you should select the Full Reset of Database option. In this case, the capture data is deleted and you also remove all registration information from the Archiver appliance.
 
* 
CAUTION: You cannot restore deleted capture data.
To reset the Archiver database:
1
From the main menu, select Advanced Options.
2
Select More Advanced Options, then Reset Archiver Database.
The Reset Archiver Database screen appears.
3
Select one of the following options:
•
To delete all data in the database, select Reset Capture Data.
•
To delete data and reset Archiver settings to default values, select Full Reset of Database.
4
Select OK.
A confirmation message appears.
5
To continue, select Yes.
The Console Program shuts down the Archiver and deletes the capture data. If Full Reset of Database was selected, the Archiver registration information is reset to default values. The Console Program then restarts the Archiver. A status message appears when the operation is completed.

Creating support bundles

You may be asked by a Dell Technical Support representative to create a support bundle, which contains all the log files on the appliance. The Console Program saves the file to the current user’s home directory. For example, if you are logged in as setup, the directory /home/setup contains the support bundle.
To create and send a support bundle:
1
From the main menu, select Advanced Options.
2
Select More Advanced Options, then Create Support Bundle.
A confirmation message appears.
3
To continue, select Yes.
A status message monitors the process.
4
When the process ends, note the location of the file and select OK.
5
Use a SCP utility to copy the support bundle to a location on your computer. For help with this step, see Transferring support files from a physical appliance.
6
Send the file to your Dell Support representative.
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