Upstream Provider Woes? Point the Ping of Blame - page 5
Network Admin's Best Tool
Presumably you have
contact information for your own service providers. What if you find a
problem, such as the Level3.net example, and you want to report
whois tells all. Use the
-H flag to turn off the reams of annoying useless legalese:
$ whois -H level3.net
Though it may be that the WHOIS information is out-of-date or false, it's still the first place to look.
Network Troubleshooting Tools by Joseph D. Sloan (O'Reilly, 2001), is a most worthy reference book for all aspects of network troubleshooting: hardware, software, and performance analysis.
[Editor's Note: This article orginally appeared on the JupiterWeb site EnterpriseNetworkingPlanet. -BKP]
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