opmanager training

OpManager Training

Course Objectives

Use OpManager for effective network monitoring. At the end of this course, you will be able to

– Discover network and its resources– Monitor it’s health periodically– Identify fault early and act on it– Use periodic reports to check determine the trend

The Course Agenda

About OpManager Network Management Plan Installing Discovery and Mapping Monitoring Alerting Reporting

The Course Agenda

User Management Troubleshooting Tools Maintenance Upgrade Process Integration with ME Applications Support Process

About OpManager

An integrated network monitoring solution providing out-of-the-box support for Network Monitoring, Server management, and Application management functions

Manages devices from multiple vendorsWindows and Linux installablesPerforms Fault and Performance Monitoring Collects network data for reporting

Network Management Plan

To start with, it is a good idea to have a plan in place to manage your network using OpManager.

A plan saves time in setting up and configuring network monitoring.

Forehand information on what is to be monitored and how, helps in getting OpManager to monitor your network effectively.

Network Management Plan (Contd.)

Take stock of Inventory by Device TypeResources to be monitoredList of free ports for OpManager to useProtocol to be used – SNMP/WMI/Telnet/SSH

Network Management Plan (Contd.)

Who should be notified?Security Aspects

– Ports to be opened in Firewalls

– Different Community Strings

– Identify Hosts for accepting SNMP packets

– Windows Security Settings

Impact of OpManager on your Network (0.1 kbps traffic for 10 devices)

Installing and Setup

Installation

Before you start

Operating System can be– Windows 2000 / 2003 / XP / Vista / 2008

– Linux – Redhat 7.2 and above, Debian

Check the minimum system requirements– Processor 1.7GHz

– 40 GB free disk space (in installation dir)

– RAM - 1 GB

Installation OptionsDecide on the OSChoose the OS-specific Free or Professional

Edition

– Windows version supports Windows Event Log monitoring, Windows Service monitoring, Exchange monitoring, and Active Directory Monitoring.

– Configure Web Server Port (default is 80) during installation

– Utility to change the Web Server Port even later

Discovery &Mapping

Discovery

Module Objectives

Get OpManager to

Discover network and its devices.

Discover services in the devices

Categorize the devices

Startup Options

Automatically starts as Service in Windows– You can also start and stop from Program Files

You can start as a nohup process in Linux

Before You Start

Configure Credentials– Configure the SNMP credentials to be used during

discovery– Configure the CLI (telnet/ssh) and WMI credentials for

authenticating to Windows/Linux/Solaris devices during monitoring and data collection

Add Services to be monitoredAdd device templates for device types for discovery

Discovery

Configure auto-discovery of networksAdd more networks for discoveryAdd individual devices for discoveryConfigure Rediscovery of nodes and networksEnsure all devices in the plan are in!

Discovery Walk-through

Configure SNMP Credentials for Discovery


Select the TCP Services to be scanned for Monitoring during initial discovery


Discover a range of devices in a network


Check the devices discovered


Import Devices for Monitoring


Add More Networks/Devices for Discover

Maps

Add More Networks/Devices for Discover

Module Objectives

Understand the default mapsGet all the devices categorized and placed in the

right mapsCreate New Infrastructure ViewsLearn to create and use Business views to meet

specific requirementsCreate Custom DashboardsCreate CCTV views

Module Objectives (contd…)

Effective use of Device Templates for handling new device types, making bulk configuration changes

Using Interface TemplatesUsing Process Templates

Before You Start

Import the non-SNMP devices from Desktop category to the relevant categories

Change/move device categoryApply Device Template

Infrastructure Views

Understand the default Maps. The categories are:

Check if the discovered devices are properly categorized

Desktops

URL

UPS

Wireless

Domain Controller

Servers

Routers

Firewalls

Switches

Printers

Business Views

Create Business View.

Select MapsAdd Business Views to create a view.

Business Views (contd…)

Create Views for custom device typesCreate user-based views to restrict accessCreate views for devices geographically apartDraw meaningful links between devicesConfigure status inheritance for links.

A Business View screenshot follows….

Business View

New Infrastructure Views

Create new Infrastructure Views

Select Maps Add Infrastructure View

Custom DashboardsCreate Custom Dashboards and know the device performance, reports, live charts, business views etc. at a glance

CCTV ViewsView critical dashboards at regular intervals in a loop

Device Templates• OpManager comes with over 600 device templates

• The templates carry the initial configurations to classify the devices into the pre-defined categories, and to associate monitors to them.

• The device templates enables you to effect a configuration once and is applied to several devices at a time whenever there is a change

• New Device Types can automatically be placed in the default/custom infrastructure views by defining appropriate templates

Device Templates

View Templates:

Select Admin Device Templates

Device Templates

Modify Templates:

From Admin Device Templates, click on the Template name

Device Templates

Add New Device Templates for New Device Types:

From Admin Device Templates, click on New Template.

Monitoring

Module Objectives

Understand the monitoring options in OpManager to keep a check on network health

Learn to configure various monitors for snmp and non-snmp devices

Learn to create custom monitorsLearn to define thresholds for meaningful alertingAdd-on & Plug-ins

Monitoring

Before You Start

• Confirm if the device template is correctly applied• Identify and list the devices to be monitored using

SNMP /WMI /Telnet /SSH• Identify the resources to be monitored• For non-SNMP Windows devices, check if WMI

and RPC Services are enabled

Before you start

• For Linux and Solaris, check if Telnet or SSH is enabled for non-snmp monitoring.

• Identify device dependencies• Identify devices running Active Directory,

Exchange 2000/2003, and MSSQL and ensure WMI is enabled

Default Reports

CPU, Disk,Memory Utilization graphs are associated for SNMP devices

Default Reports

Detailed Device Availability Report

Default Reports

Device Response-time graphs

Default Reports

Percentage Packet-loss per device

Default Reports

Interface traffic, utilization, discards and error reports

Default Reports

Live Reports for CPU, Memory, Disk Utilization & Traffic on Interfaces

Default Reports

Load graphs for UPS

Other Default Monitors

Few Windows Services monitored automaticallyFew TCP Services Monitored by defaultActive processes listing in SNMP devices Installed Software listing in SNMP devices

Configure Monitors

Various types of Monitors include:

– Service Monitors (TCP Ports)

– Windows Service Monitors

– URL Monitors

– Performance Monitors

– Process Monitors

– Syslog Monitors

– Eventlog Monitors

Configure Monitors (contd…)

Add Global Monitors:Edit the Device Templates to configure and associate monitors for devices of the same type


Device-level Monitors:Configure/edit/add more Monitors

Custom Monitors

Create Custom Monitors for identified resources. Add in the device template and apply template to the required devices.

Add-on Monitors

Monitor the following Services using WMI by providing the WMI credentials on the devices. Screenshots of these monitors follow.– Active Directory

– Exchange 2000 and Exchange 2003

– MSSQL Parameters

VMware server and its individual VM's availability and performance can be monitored using SNMP by providing the correct credentials.

Add-on Monitors (contd...)

Monitor Latency and Availability of WAN links with WAN RTT Monitor

Monitor Jitter, Latency, Packet Loss etc. of VoIP calls with VoIP Monitor

Monitoring Active Directory

Monitoring Exchange 2000/03

Monitoring MSSQL Parameters

Monitoring VmWare ESX– Start, Stop and Suspend virtual machines

– Configure correct SNMP Read/Write Credentials

WAN RTT Monitor

● Monitor the availability of WAN links, Round Trip Time (RTT)/Latency and the traffic

• Works with Cisco router ( IOS version 12.3 or later) with IPSLA agent enabled on it

• Performance is measured by sending simulated traffic (packets of specified size) at a specified frequency

• OpManager collects IPSLA traps for events triggered due to a connection loss or threshold violation for RTT

• Trace the fault to the exact hop using hop graph (as follows)

WAN RTT Monitor (contd...)

Hop graph

Configuring Test Parameters for WAN Monitor● Payload: Specify a value in the range of 0 to 16384.Default is 24.

• Type of Service: Specify in the range of 0 to 255, the default being 30.

• Frequency:Specify the interval in the range of 0 to 604800 msecs. The default interval is 60.

• Operation Timeout: Specify the timeout in the range of 0 to 604800000, the default being 60 msecs.


Configuring WAN Monitor• Provide the Read/Write community string on the Router.

• Alerts are received based on traps. Run the below command on the Router to configure OpManager as trap destination.

snmp-server host <opmanager server IP> traps <host community string> rtr

e.g

snmp-server host 192.168.18.128 traps private rtr


VoIP MonitorOpManager monitors the following key performance metrics of the VoIP network to determine its health.•Jitter: variation in delay between arriving packets

•Latency: time taken for the voice packets to reach the destination

•Packet Loss: data lost during transmission

•Mean Opinion Score (MOS): standard for measuring voice codecs and is measured in the scale of 1 to 5 (poor quality to perfect quality)

VoIP Monitor (contd...)Adding a Voip Monitor

Pre-requisites:

• Cisco IOS version 12.4 or later at each end

• Enable Add (/discover) the router in your LAN to OpManager. And make sure the SNMP read and write community are configured properly, for that router.

• Enable SLA responder on the destination device you wish to monitor. Connect to the Router and run the command below.

Router(config)#ip sla responder

(Note: Enter any one of the command to enable IP SLA responder as it varies according to the IOS versions.)

• Repeat the above steps for all the destination routers on which you want to monitor VoIP performance.

VoIP Monitor (contd...)Adding a VoIP Monitor• Go to Home-> VoIP Monitors->Configure VoIP Monitor-> Create

New, and enter a name for the monitor.

• Select the source router from the list of routers discovered in OpManager, and select the relevant interface.

• Specify the destination router either by using the 'Search' option to pick from the discovered routers, or use the 'Add' option to specify the IP address of the destination router and submit the details.

• You will see the summary of the monitor you are about to configure. Now click 'Apply to device' to submit the details to the device. This will take few seconds to configure.

• Refresh the page after few seconds to see the new monitor. The data will be collected every hour, from the time you have configured.

VoIP Monitor (contd...)Defining call settings

The VoIP template comes with default values. If you wish to change it, Mouse over Maps tab => VoIP Monitors => Settings => Call Settings and configure the below parameters. Port can be specified in the range of 16384 - 32766.

Destination Port - VoIP UDP port to which VoIP Monitor sends simulated traffic

Simulated VoIP Codec - The VoIP jitter codec decides the type of traffic that VoIP Monitor simulates over your network.

Operation Frequency - Its the frequency with which QoS metrics are collected by the IP SLA agent on your network to determine performance.

Operation Timeout - Time to wait for the response from the responder / destination device in msecs.

Type of service - The Type of Service octet allows you to set precedence levels for VoIP traffic of the IP SLA operations.

MOS Advantage Factor – It is the measure, on a scale of 0 to 20, of the willingness of your VoIP network users to trade call quality for convenience.

VoIP Monitor (contd...)Defining Threshold Values

• We can define a threshold template so that the VoIP performance parameters can be better suit your company SLA, based on which alerts are triggered.

• It comes with default threshold levels, If you wish to change it, Mouse over Maps tab => VoIP Monitors => Settings => Threshold Template and configure the below parameters.

• MOS Threshold: Configure the MOS threshold by specifying the upper and lower MOS range values in the range of 1 to 5.

• Jitter Threshold: Configure the jitter threshold in msecs with upper and lower threshold limits. The range is from 0 to 6000 msecs.

• Latency Threshold: Specify the delay allowed in msecs again in the range of 0 to 6000.

• Packet Loss: Specify the number of packets that can be lost in transit.

• Notification Profile: Select the required notification profile(s) in order to notify when the any threshold rule is violated.

Plug-ins● NCM – Network Change and Configuration

Management● NetFlow – Bandwidth analysis

About - NCMWith NCM plug-in● Manage & automate Network Configurations● Maintain a complete versioning for Network config.

Changes & compare between versions● Backup configurations in order to revert in case of

faulty configurations● Audit the configuration errors● Check configurations for corporate compliance

NCM – Import Devices• Import the Device

• Ensure correct credential are configured

NCM – Device Groups• Create Device Groups

• Perform bulk operations

NCM – Features• Backup the configuration of a device

• View the last 5 configuration changes

• Detect config. Changes through syslog

• Audit the operations performed on the device

• Map the port to which the device is connected using Switch Port Mapper

NCM – Upload Configuration• Upload configuration to a device

• View the difference between configuration versions

• Draft configuration

NCM – Device snapshot

NCM – Compliance•Run & Schedule Compliance check•Associate Compliance policies•Generate reports on compliance

NCM – other detailsPorts used● Syslog – 519● Web – 6060● TFTP – 69● SSHD – 22● MySQL - 13306

About - NetFlowWith NetFlow plug-in● Monitor NetFlows exported by Routers● Know time based & application based usage of a

network● Diagnose slow network performance & bandwidth

bottlenecks in just a few clicks● Prioritize business critical applications using CBQoS● Provides usage based billing options● Monitor Site to Site Traffic

NetFlow – Dashboard● Know the Top Devices/Interfaces/IP Groups by

Speed & Utilization

NetFlow – Real-time Traffic● View real-time traffic graphs for IN/OUT traffic● View graphs for required periods

NetFlow – Application Traffic

NetFlow – Top Hosts● View the Top Hosts contributing for Traffic

(similarly for Top Destinations)

NetFlow – Other Features● Configure QoS & view traffic by DSCP IN & TOS

OUT● View traffic graph by top Conversations● Configure NBAR to improve network bandwidth● With NBAR view real-time application traffic

NetFlow – other detailsPorts used● Web – 8080● NetFlow listener port - 9996● MySQL - 13306

Configure Device Dependencies

You can configure device dependencies to control status polling and prevent unnecessary status checks.

Example: If a switch is down, the devices connected to it would be status polled and will be reported as down. If dependency on the switch is configured in these devices, status polling will be stopped till the switch is up.

Configure Device Dependencies

Understand Thresholds

Thresholds are applied on network resources to calculate their performance

Can be applied based on the response time, connection time, transfer rate, resource utilization, failure counts etc.

On threshold violation, a corresponding severity status is assigned to the device and an event for that severity is generated

Rearm value is used to prevent assigning of same status to a resource every time it is tested

Configure Thresholds

Select ‘Enable Threshold’ option when adding/editing a monitor to apply threshold:


Configure Windows event log monitoring:

• Associate default Event Log Rules

• Create New Rules


Add Windows Services to be monitored Add other Services to be monitored


Configuring Process Monitors: Create Process Monitor Templates Associate to the Devices


Monitor Syslog packets:● Monitors the syslog packets such as kernel messages, system

daemons, etc. via default syslog port 514 (also customize ports)● Helps identifying unauthorized access● Know the syslog flow rate● Add new syslog Rules


Add URL monitors for web site monitoring

Alerting

Module Objectives

• Understand Alarms

• Learn to work with SNMP Traps• Learn to notify network fault using OpManager• Learn to log a Trouble Ticket • Know how to escalate a fault• Suppress Alarms

Before You Begin

Identify who should be notifiedHow you would like to notify? Email, SMS etc

– Note: Besides the default email-based SMS Notifications, Modem-based SMS notifications is also available as an add-on

For which alarms would you like to log a trouble ticket with ServiceDesk Plus

Would you like to run a program when there is an alarm

Understanding Alarms

Events are ‘occurances’ in a networkEvents are correlated as alarms representing a

failure/faultAlarm is generated when there is a failure ‘Event’

Understanding Alarms

A new alarm for the same resource is generated only when there is a change in the event status. That is, if the subsequent event for a resource is same as the previous status, there will not be an alarm. If the subsequent event is of a different status, a corresponding alarm is generated.

Downstream correlation is done if you have configured device dependencies

Understanding Alarms (contd…)

Alarm Types– Status-poll Alarms (device, service, interface, port

down alarms)– Threshold-based Alarms– Alarms from SNMP Traps– Windows Event Logs

Work with Alarms– Acknowledge, Suppress, Clear, Delete & Add Notes

Work with SNMP Traps

• Check ‘Unsolicited’ Traps and add Processors

• Load Traps from MIBS

• Add Custom Trap Processors

Notify Failure/Fault

• Configure and associate Notification Profiles– Email, SMS, System Command, Run a Program & Web

Alarm

Log a Trouble Ticket

• Configure Mail Server Settings

• Configure ServiceDesk Plus Server Settings• Log a trouble-ticket with ServiceDesk Plus

Escalation Alarms

Configure Alarm Escalation Rules to draw attention to an unattended fault

Alarm Suppression

• Suppress the Alarms of the required devices for a specific time interval

• Useful to prevent false alarms during known downtimes

Reporting

Module Objectives

Learn to use OpManager to get reports on health and performance of your network and its resources.

Understanding Reports

Availability DashboardsSeparate WAN Availability DashboardsSeparate Dashboard Reports for ServersCategory-wise ReportsTop N ReportsReport Presets

Understanding Reports

Peak-time ReportsBusiness View-specific reportsCustom ReportsCustom Monitor GraphsExport to PDF / XLS / HTML formatsTime Based Availability ReportsGroup Frequently accessed Reports

Network Availability Dashboards

Server Availability Dashboards

At-a-glance Report

Top N Reports

Time Based Availability Reports

Custom Reports• Create New Reports

• Copy existing report template to create new reports

User Management

Before You Begin

Only applicable for customers with multi-user licenses

Register the license Identify Users Scope

User Management

Create Users and define Scope

– Permission for full control, or read-only access

– Access to all devices or only business views Change User Password User Preferences

Rebranding

RebrandingChange OpManager Logo in Reports & Web ClientChange the Company Name & Product NameChange the Copyright info

Troubleshooting Tools


Ping and Trace Route options– Check if device is reachable

MIB Browser– Check if the device responds to SNMP requests

Switch Port Mapper– Check the connectivity between devices and the

Switch ports


Open Telnet & RDP sessions– Analyze the machine remotely

Maintenance

Maintenance

Schedule ReportsSchedule Device ‘Downtime’Manage/Unmanage devicesDatabase Maintenance

– Separate provisions to maintain fault and performance data

Utilities for quicker data backup and restoration

Upgrade Process

Upgrade Procedure

UpdateManager tool for smooth upgrade to latest releases.

Automatic download of upgrade packs by the Probes from the Central Server.

Upgrade Types– Service Packs– Upgrade Packs– HotFixes

Integrating with otherManageEngine Applications

Integration with Other ManageEngine Products

Ability to integrate with following ManageEngine Suite of Products:

– ServiceDesk Plus : For trouble-ticketing

– Netflow Analyzer : For detailed traffic reports

– Device Expert : For Managing Configuration

– Firewall Analyzer: For enhanced Security

Support Process

Support Process

Support Information File Tool for reduced iterations

Support Mediums– Email : [email protected]

– Forum: http://forums.opmanager.com

– Live Chat

OpManager Lounge- Contribute to enhancing OpManager

Questions & Answers

Thank You

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