Adding a network monitor

Site24x7 is a comprehensive tool that monitors network devices and interfaces. For more information on Site24x7's network monitoring, including prerequisites, system requirements, and supported devices, see our setup and configuration guide. 

Add a network device

Follow the steps below to add a network device for monitoring:

1. Log in to your Site24x7 account.
2. Go to Admin > Inventory > Add Monitor. 
3. In the Add Monitor page, click Add Network Device under Network. Alternatively, navigate to Network, and click the plus + icon beside Network Devices. 
   
   
   
   Figure 1. Adding a network monitor.
4. On-Premise Poller: Select an On-Premise Poller from the list or add a new one by clicking Add a new On-Premise Poller below the list of On-Premise Pollers. Click Next.
   
   Note

   The Network module should be enabled in the On-Premise Poller that you select. If not, it must be manually enabled.

5. Credentials: Credentials help Site24x7 communicate via SNMP and fetch data for monitoring. Select the appropriate credentials according to your SNMP version or add new credentials by clicking Add a new SNMP Credential below the list of credentials. Click Next. 
6. Details: 
   • Discovery Mode: Select Add Device or Add Network as needed. 
     
   • If you have selected Add Device, provide the following details:
     • Display Name: Enter a display name to identify your device.
     • Host Name/IP Address: Enter your device's host name or IP address.
     • Category: Select the device category.
     • Template Type: Toggle to Default Templates or Custom Templates.
   • Device Template: Select a suitable device template from the drop-down list.
   • Tags: Associate your monitor with a predefined tag or multiple tags to help organize and manage your monitors creatively. 
   • Click Next.
7. Interface Filters: Click Add network discovery rule or select from the existing list of network discovery rules.
   • Rule Name: Enter a name to identify your rule.
   • Description: Provide a description to explain the rule. 
   • Interface type(s): Select the type of interfaces from the drop-down list.
   • Admin state: Select the admin state of the interfaces that are to be added for monitoring from Down, Up, and Testing. Multiple values can be selected.
   • Operational state: Select the operational state of the interface from Dormant, Down, Testing, Unknown, and Up. Multiple values can be selected. 
   • Interface Name: Toggle between Any of these Conditions (OR) or All of these Conditions (AND). Below the toggle, select a condition from the drop-down and provide a value in the next field. Click the plus + icon beside the field to add multiple conditions.
8. Click Save Rule. Verify the details and click Discover.

Add a network

Follow the steps below to add a network for monitoring:

1. Follow steps 1-5 above.
2. Details: Select Add Network in the Discovery Mode, and provide the following details:
   • Discovery Type: Select Use IP Range or Use CIDR.
   • IP Type: Select IPv4 or IPv6.
   • Start IP: Provide the IP address from which discovery should begin.
   • End IP (Displayed only if you have selected Use IP Range): Provide the end IP address.
   • NetMask: Provide a subnet mask value if needed.
3. Device Filters: You can add and ignore certain devices from discovery by setting multiple conditions. 
   • Discover Servers: Toggle on Yes or No.
     
   • Discover Unknown: Toggle on Yes or No. Selecting Yes will discover and monitor devices that do not respond to your SNMP credentials.
   • Discovery Action: Select Add or Ignore from the drop-down. 
   • Type: Select IP Range, IP Address, Category, Device Type, or Device Name. 
   • Condition: Select Equals or Contains (if available). 
   • Value: Enter a value to be checked. 
   • Click Add to add more filters.
4. Follow the sequence from step 7 given above.
5. Recheck your entries and click Discover.
   
   
   
   Figure 2. Starting network discovery.

Troubleshooting Tips

• Add a device template to my network monitor
• Associate a device template to my network monitor
• If the network devices are being discovered as unknown
• If the network module does not start properly
• To check the SNMP reachability using MIB browser