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Note: Currently, this feature operates exclusively on the S8300 Media Server.
When a G700 Media Gateway unregisters from the S8300 Media Server, the server platform automatically sends a request to the server to execute a traceroute command. The Linux program traceroute is used to probe the IP address of the G700. In this way, if a LAN component has failed, the traceroute command will discover the component. A log is kept on the platform, and can be viewed with the Linux command trrtelog.
In order to keep from overloading platform processes, a traceroute cannot be executed in less than 10 seconds from the last command. The maximum rate that traceroute can be run is therefore no more than six per minute. If the customer does not want this capability, it can be turned off by a technician. The flag "trrte_run" is set to zero to disable the automatic execution of the command.
The technician determines the time of the G700 outage and then reads the ALT log to find a similar time. If a trace had been executed, the technician verifies that the IP addresses are the same. If there is no matching IP address, there may be other addresses representing other Media Gateways on the same subnet. In this case, the log entries may still be useful in tracking down a potential source of trouble.
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