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Refresh Status

This feature checks whether the machines are on-line or off-line, and detects whether the machines' names or IP addresses have been modified. Under monitor mode, LanHelper continuously checks the statuses of the machines to monitor your network. Once the status changing is detected, you'll be immediately notified by e-mail, network message, etc. So the problem or failure can be corrected & fixed in time.

Select "Tools>Refresh Status" from the menu bar, and then select "Refresh By IP" or "Refresh By Name" to check the statuses of all the machines. Refresh By IP checks the active IPs and at the same time detects whether the machine names have been modified. Refresh By Name checks the on-line computers and at the same time detects whether the IP addresses have been modified. From version 1.50 on, using Refresh By IP And Update Name or Refresh By Name And Update IP to check status and automatically update name or IP.

To the machines located on your own subnet, Refresh By IP or Refresh By Name both work fine. To the machines located on other subnet, only Refresh By IP can work.

Monitor Mode

To monitoring your network, you must check "Monitor Mode" menu item first, then click Refresh By IP or Refresh By Name. Every time refreshing completed, the program waits for a certain time, then starts next refreshing.

Under monitor mode, status changing would trigger alert event. Four events are available in current version. If status changed and current status is "---", it will trigger Status changed to be off-line event. If the previous status is "---", and current status is "alive", "@!", "!@", "@*" or "*@", it will trigger Status changed to be on-line event. If pervious status is "alive", and current status is "@!", "!@", "@*" or "*@", it will trigger Name or IP changed event. Any change event includes all status changes. If the value (let's say x) of Refresh Status option "Consider status changed if consecutive" is set to 1 (default value), the events would be triggered immediately every time the status changed. If x greater than 1, the events would be triggered only when the changed status continuously appear x times.

While the events have been triggered, alert information would be sent out, or some actions would be performed. For example, send network message or e-mail to system administrator, execute commands or perform Wake-On-LAN, shutdown operations.

To monitoring whether machines have been down, use Refresh By IP or Refresh By Name, and turn on "Status changed to be off-line" alert event in Options dialog. To monitoring whether IP addresses have been modified, use Refresh By Name and turn on "Name or IP changed" alert event. To monitoring whether computer names have been modified, use Refresh By IP and turn on " Name or IP changed" alert event.