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VERSIONI DI PROVA GRATUITA

Foglight APM for Real User Experience 5.9.11 - Installation and Setup Guide

Table of Contents

Installation overview

Introducing the monitoring architecture

Software components

Foglight Management Server Archiver Sniffer Browser Instrumentation Relayer Archiver databases

Ports used by Foglight APM

Appliance types Typical monitoring solutions

Monitoring physical networks Monitoring virtual networks Mixing physical and virtual appliances Adding Foglight APM to an existing Foglight installation

Installing physical appliances

Before you begin

Physical appliance components Other network components required Anatomy of an appliance

Planning an installation of physical appliances

Public network switch Private network switch for the capture subnet Network taps

Monitoring individual web servers Monitoring web server farms

Network information required for physical appliances

Installing appliances on a network rack Connecting appliances to the network Connecting Sniffers

Connecting Sniffers to network taps Connecting Sniffers to Archivers

Connecting one Sniffer to one Archiver Connecting Sniffers to Archivers

Starting physical appliances and configuring remote access Launching the Console Program remotely with DRAC

Installing virtual appliances

Monitoring multiple ESXi hosts

Monitoring multiple hosts through a centralized Sniffer Monitoring multiple hosts using local Sniffers Mixing virtual and physical appliances Scaling out a multiple host configuration Installing virtual appliances to monitor multiple hosts

Monitoring a single ESXi host

All-on-one-host variation Scalability Installing virtual appliances to monitor a single host

Before you begin

Software environment Foglight APM OVF templates Required port groups RAID configuration Network information for virtual appliances

Creating port groups on virtual switches

Configuring port groups on a distributed switch

Creating a Monitoring Network port group required by Sniffers Creating the Capture Network port group required by Sniffers and Archivers Creating a virtual adapter for the Capture Network port group

Configuring port groups on a standard switch

Deploying Foglight virtual templates Deploying the Foglight virtual Sniffer template Connecting virtual appliances on different servers Powering on virtual appliances

Setting up appliances

Logging in to the Console Program Enabling SSH and changing the default password Setting the date and time Specifying network settings Exiting the Console Program Launching Foglight Configuring software components

Working with appliance-hosted Management Servers

Configuring Management Server settings Configuring the Management Server to work with SSL keys

Creating a new SSL key for Foglight HTTPS access Using an existing SSL key for Foglight HTTPS access Configuring Foglight for secure remote LDAP access

Restricted file access Transferring support files from a physical appliance

Transferring files to Windows systems Transferring files to Linux systems

Troubleshooting appliance-hosted Management Servers Differences from working with server-hosted Management Servers

Setting up server-hosted Management Servers

Server requirements

Downloading and installing 256-bit encryption files Disabling the NetBIOS over TCP/IP setting

Installing Foglight APM cartridges Communicating with Sniffer and Archiver appliances Configuring Federated Children Enabling High Availability mode

Maintaining appliances

Launching the Console Program

Accessing physical appliances using SSH on Microsoft Windows systems Accessing physical appliances using SSH on UNIX systems

List of tasks available from the main menu Managing user accounts

Adding new user accounts Modifying user accounts and enabling SSH Removing user accounts

Modifying the time zone, time, or date Modifying the list of NTP servers for physical appliances Modifying network settings Shutting down appliances Rebooting appliances Updating software

Upgrading from a PKG file Displaying the upgrade log

Testing network settings Stopping and starting processes Reviewing the appliance system details and health status Reviewing the status of NIC devices Verifying monitored traffic by port Purging and resetting Archiver databases Creating support bundles Creating TCP dump files Accessing the home directory Creating Dell report archives on physical appliances

Backing up and restoring physical appliances

Setting up appliances as NetVault clients

Enabling an appliance's NetVault client Registering an appliance in NetVault

Running and restoring backups

Stopping Foglight and running a backup Restoring backups

Preparing a new appliance Restoring a backup

Appendix: Troubleshooting

Diagnosing Sniffer issues

Overview of the Sniffer test Running the Sniffer test Investigating and resolving issues in monitored traffic

Understanding packet drops with SPAN ports and aggregation network taps Expanding full partitions on virtual appliances

Expanding the size of virtual disks Expanding the size of partitions

Anatomy of an appliance

The following figure identifies the ports and other elements on the rear panel of a Dell PowerEdge™ R730. If your appliance is a different model, identify the location of these ports and other elements on your appliance. Some appliances may have fewer or more monitoring ports. Foglight APM supports up to 10 monitoring NICs.

Figure 4. Network port identification

Table 3. Dell PowerEdge R730 — Ports and Other Elements
1 2 3 4 5 6 7 8 9	System Status Indicator System Identification Button System Status Indicator Connector DRAC Port Serial Port Video Port USB Ports Control Port (eth0) Auxiliary Port (eth1)	10 11 12 13 14 15 16 17	Monitoring NICs (eth2) Monitoring NICs (eth3) Power Supply Redundant Power Supply Monitoring NICs (eth4) Monitoring NICs (eth5) Monitoring NICs (eth6) Monitoring NICs (eth7)

Planning an installation of physical appliances

Appliances gather data passively from the monitored network, without needing to change web applications or the web server configuration. To create this type of passive data collection network, you need to make some changes to the existing network.

For more details, see the following topics:

•

Public network switch

•

Private network switch for the capture subnet

•

•

Network information required for physical appliances

Public network switch

In a multiple appliance installation, you connect the appliances to your network using a public network switch. These connections enable communications and access as follows:

•

Appliances can communicate with each other

•

Foglight users and administrators can launch the Foglight browser interface

•

APM Administrators can access the appliances’ Console Program (for administrative purposes) using the Dell Remote Access Controller (DRAC) interface or SSH

The total number of ports required depends on the number of appliances in your installation. For each appliance in your installation, you need two ports: one for the control port and one for the DRAC port.

Private network switch for the capture subnet

If your installation includes more than one Sniffer or more than one Archiver, you need to connect the auxiliary port on each appliance to a private switch. This creates a separate capture subnet to ensure that the data flow for captured data is isolated and does not affect the rest of the network.


	NOTE: In an All-in-One Appliance installation, the capture subnet is not required because the Sniffer and Archiver are located on the same appliance with an internal relay mechanism. If you have two appliances—one with a Sniffer and one with an Archiver—you can connect a cable directly from one appliance to the other to create the capture subnet. For more information, see Connecting one Sniffer to one Archiver.

In a distributed monitoring solution, where you want some web traffic monitored and stored separately from other data (for example, a standalone website), you could create a separate capture subnet for those appliances to reduce traffic on the main capture subnet. However, a more flexible way to handle this scenario is to create one capture subnet and have the APM Administrator define capture groups from the Foglight browser interface.

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