Monitoring Standard TCP/IP Services

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Standard TCP/IP services include DNS, FTP, POP3, SMTP, HTTP, IMAP4, NNTP, SNMP, Echo, Gopher, Telnet, and Time. You can scan a device to see which of these standard services are running on it.

To scan a device to see what services are running:

1. Double-click the device to view its properties.

Note: You cannot add services to subnets.

2. Click Services.
3. Click the Auto Discover button.

Any services found are selected (check mark is displayed) for monitoring.

By default, WhatsUp Gold monitors devices using ICMP ping packets. If ICMP ping packets cannot travel the network to your device (due to firewalls), you can monitor this device by monitoring services on that device. To do this you need to change the Polling Method from ICMP to Services only on the General dialog box of the device properties.

Note: The Services only setting uses either TCP or UDP to poll the service. To use this method of monitoring a device, at least one service must be monitored on that device.

Services can be monitored only on a device that has ICMP or TCP selected as the Polling Method (on the General dialog box of the device properties). In other words, if you have selected IPX or NetBIOS as the polling method for the device, you cannot monitor the TCP/IP services on that device.

You indicate what TCP/IP services you want to monitor on the Services dialog box of the device properties.

1. Double click a device to view its properties. Click Monitor and select Monitor This Device.
2. Click Services.
   
3. Add the services you want to monitor, or you can click the Auto Discover button to scan the device and see which of the standard services are running on it: WhatsUp Gold selects all active services it finds.
4. Click OK to save changes.

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