Grouping network elements allows IT administrators to organize their IT infrastructure in a way that makes configuration management convenient for them. Network monitoring tools like OpManager monitor the performance and status of network elements. Monitoring devices with varied roles and functionalities from a single unorganized inventory can be a daunting task. With the grouping feature, IT admins can organize the IT inventory, classify devices, add relevant devices to groups and subgroups, and push configuration changes to specific network components in mass.

OpManager has a powerful network grouping feature. You can easily add devices to the groups, associate actions with them, and monitor their performance as a whole. Here's how you can utilize OpManager's grouping network elements feature in your network.

What is a network element?

A network element represents a particular component of a network that you wish to monitor. This includes devices like servers, routers, switches, WLCs, WAN accelerators, and firewalls as well as multiple interfaces for these devices. OpManager can group all kinds of network elements as per your preference and convenience.

Creating groups

Manually: You can add devices or interfaces manually to group them. Devices are listed either with their IP addresses or their DNS names. Once groups are created, you can associate devices to them from the inventory list to add them. You can also edit group fields after creating them.

Manual grouping- ManageEngine OpManager

Using criteria: Another way of adding device interfaces or groups is using certain criteria. OpManager can either match all of the applied criteria or any of them. Multiple criteria can be applied to select the required devices. Criteria for devices include- type, vendor, category, DNS, IP address, etc. For interfaces, criteria like name, type, speed, etc can be used.

Groupingby criteria- ManageEngine OpManager

Sub-groups and super groups: Pre-existing groups can be grouped to form a super group. This allows you to classify your infrastructure according to its location, functionality, and dependencies.

Group notifications: Group notifications can be configured to reflect the status of its specific components. This is helpful for services with critical devices. You can set the group to reflect the status of that particular device so that when that device goes down- the entire group shows that status. If a particular device isn't selected, the group will show the status of all of its component elements.

Grouping notifications- ManageEngine OpManager

Updating groups

IT environments are dynamic and change frequently. This could be the result of the organization scaling up, the device being moved around, or periodic maintenance operations. OpManager has a rediscovery function that can scheduled to scan the network environment periodically. When OpManager discovers a device that falls under the criteria of a pre-existing group, that device will be added to the group automatically. To sum it up, your groups will update automatically depending on the devices in your network.

Another way groups can update is by using custom fields. Custom fields are information about devices like location, building, department, etc. When you create a group using custom fields, OpManager's network discovery automatically adds or removes devices depending on custom fields. Groups will be automatically updated depending on their given custom fields.

Using groups as a filter

Groups as a filter can be selected to apply a particular configuration change to the members of that group. This allows you to create and push configuration changes to a specific set of devices quickly. This is particularly helpful when the monitoring and alerting requirements for different sets of devices are different. Here are some configuration edits where you can use groups as a filter.

Grouping as Filter- ManageEngine OpManager

Interface Groups can be applied as a filter in:

  • Widgets
  • Reports
  • Interface template in Interface groups, Interface type, etc

Group availability distribution

In addition to organizing and classifying their IT inventories and pushing mass configuration changes, network administrators have another reason for grouping network elements: For better visibility into the network. Group availability distribution helps with that.

Grouping availability- ManageEngine OpManager

OpManager displays the availability of the network elements in a group using availability distribution graphs. The distribution graph has three fields: the percentage availability of the devices in the group- which is color-coded, a timeline detailing availability at different times, and the fraction of devices with differing levels of availability. One glance at the distribution graph lets the admin know about the status of the group and its components- facilitating better network visibility.

Group tree views

Group tree views allow you to view groups across your inventory in a hierarchical format. The super groups will be shown on top, and from there you can drill down into subgroups and devices or interfaces shown in the groups. Tree Views list your inventory in a way that is convenient to navigate. A device's location in a tree view indicates its function. With the super groups reflecting the status of its member groups and devices, you can easily find and locate defective devices.

Grouping views - ManageEngine OpManager

Maximize OpManager's convenience and tailor your monitoring requirements for devices and interfaces with grouping.

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Customer reviews

OpManager - 10 Steps Ahead Of The Competition, One Step Away From Being Unequalled.
- Network Services Manager, Government Organization
Review Role: Infrastructure and OperationsCompany Size: Gov't/PS/ED 5,000 - 50,000 Employees
"I have a long-standing relationship with ManageEngine. OpManager has always missed one or two features that would make it truly the best tool on the market, but over it is the most comprehensive and easy to use the product on the market."
Easy Implementation, Excellent Support & Lower Cost Tool
- Team Lead, IT Service Industry
Review Role: Infrastructure and OperationsCompany Size: 500M - 1B USD
"We have been using OpManager since 2011 and our overall experience has been excellent. The tool plays a vital role in providing the value to our organisation and to the customers we are supporting. The support is excellent and staff takes full responsibilities in resolving the issues. Innovation is never stopping and clearly visible with newer versions"
Easy Implementation With A Feature Rich Catalogue, Support Has Some Room For Improvement
- NOC Manager in IT Service Industry
Review Role: Program and Portfolio ManagementCompany Size: 500M - 1B USD
"The vendor has been supporting during the implementation & POC phases providing trial licenses. Feature requests and feedback is usually acted upon swiftly. There was sufficient vendor support during the implementation phase. After deployment, the support is more than adequate, where the vendor could make some improvements."
Great Monitoring Tool
- CIO in Finance Industry
Review Role: CIOCompany Size: 1B - 3B USD
"Manage Engine provides a suite of tools that have made improvements to the availability of our internal applications. From monitoring, management and alerting, we have been able to peak performance within our data center."
Simple Implementation, Easy To Use. Very Intuitive.
- Principal Engineer in IT Services
Review Role: Enterprise Architecture and Technology InnovationCompany Size: 250M - 500M USD
"Manage Engine support was helpful and responsive to all our queries"

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