Zonger Lv4Posted 27 Jun 2023 19:34
  
If you are seeing "*" for the first hop in the traceroute output when tracing from a client PC to an internet site, it indicates that the device at that hop is not responding to the ICMP Time Exceeded message, which is used by traceroute to identify the intermediate hops.

To allow the Sangfor IAM internal IP to be visible in the traceroute output instead of "*", you need to enable ICMP Time Exceeded messages on the Sangfor IAM device. Here are the general steps to do so:

Access the management interface of the Sangfor IAM device.
Look for a configuration setting related to ICMP or traceroute.
Enable the ICMP Time Exceeded message response or traceroute support.
Save the configuration changes and apply them.
The specific steps and configuration options may vary depending on the version and model of the Sangfor IAM device. It is recommended to consult the documentation or contact Sangfor support for detailed instructions on how to enable ICMP Time Exceeded messages or traceroute support on your specific device.

Keep in mind that enabling ICMP Time Exceeded messages or traceroute support may have security implications, so it is important to consider the potential risks and ensure that appropriate security measures are in place.

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