NightWatch Ping Monitor

IP Address or Computer Name

This is the TCP/IP address or name of the system to be monitored via Ping. If a name is used, it must appear in this systems hosts file. You can click the binoculars to display the IP Address/Host Name Selection screen.

Time Out

This is the ping operation time out in seconds. This is how long the ping object waits for a reply from the target computer before declaring the ping to have failed.

TTL

This is the Time-To-Live value that can be used in ping packets. When TTL is zero, ping packets pass through routers or other packet forwarding devices until they reach the ping target and are returned, or a time occurs indicating that the ping failed. When TTL is set, it acts as a "hop" count and can be used to detect ping failure caused by the failure of a router or intermediate device instead of at the target device. If you wish to use this feature, TTL should be set to the appropriate number of hops (or devices) between the local system and the target system. The Ping Mo will test each hop (intermediate device) until reaching the target. If a hop fails, the Ping MO will report the IP address of the last successful hop (device) allowing you to determine the intermediate point of failure. This scheme is essentially the same as using Trace Route tools to locate the point of failure of a ping travelling over multiple hops. A value of zero will disable use of TTL.