The DHCP Scope Monitor utility of the OpUtils software helps you to monitor the DHCP Scopes to find the available IP Address count in each of them. When the available IP Address count falls below a certain number, the results are shown in red color.
Click the Tools tab.
Choose the DHCP Scope Monitor available under the Address Monitoring category.
Specify the Name or the IP Address of the DHCP Server.
Specify the SNMP Read Community of the DHCP Server.
Click Get DHCP Scope Details.
Repeat steps 3 to 5 for adding the scopes of all the DHCP Servers.
All the scopes of the added DHCP Servers along with their current available and used IP Address counts are retrieved and shown in the table below.
Schedule Monitoring of Scopes
- Click the Settings link to open the settings page.
- Select the Scheduler tab.
Change the Status to Enabled
Specify the interval to perform the scan:
Daily - to update everyday. You need to specify the starting time.
Weekly - to update on specific day(s) in a week. You need to specify the starting time and the day(s) on which the update should happen.
Monthly - to update on a specific day every month(s). You need to specify starting time, select a day and select a month/months.
Once Only - to run the tool only once at the scheduled time.
Click Schedule to save the changes.
Configuring Email Alerts
Alerts are generated when the available address count in scope falls below the specified value.
Click the Settings link to open the settings page.
Select the Alert tab
An email alert is generated when the available IP Addresses in a scope falls below 5. Specify a different value if required.
Select the Enable Email Alert check box and specify the email addresses as comma separated values.
To enable sound alerts, select the Enable Sound Alert check box and select a sound file to be played. To play the selected sound, click the icon.
Alert Cleanup Policy: Specify the maximum number of Alerts to be stored in the database, the default being 2000. When you delete the older alerts, you have an option to save them as a csv file for future reference.
Click Save to save the changes.
The Summary view provides the details of the DHCP Scopes of all the DHCP Servers that are being monitored with the following details:
Server IP: The IP Address of the DHCP Server
Scope Name: The name of the DHCP Scope
Used: The number of used IP Addresses in that scope
Available: The number of available IP Addresses in that scope
Size: The total number of IP Addresses in that scope.
Last Update Time: The time at which the data was retrieved from the DHCP Server
To view the details of a specific DHCP Server, select the server from the combo box. To retrieve the current values, select the DHCP Server and click Refresh. Select All to view / refresh all the DHCP Servers.
To delete all the scopes of a DHCP Server, select the server and click Delete.
To export the scope details, select the DHCP Server and click Export and choose an appropriate format.