Using Snoop
If you are having intermittent problems, snoop is often useful to
debug them. To use snoop correctly, you must run it from an uninvolved
machine. For example, if you have a client that is having intermittent
problems with NIS+, you should run snoop on a machine on the same
subnet as the problem client, but the machine must be neither the
client nor any of the NIS+ servers:
unrelated-machine# snoop problem-machine
This will tell you about all of the packets going in and out of the
problem-machine. You should look for NIS+ packets, taking careful
notes of errors. If you are getting some type of intermittent errors,
it is useful to see which Server your Client was talking with at the
time of your problem. Possibly one of your Servers has bad or old
information?
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