Query: guessnet-scan
OS: debian
Section: 8
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
GUESSNET-SCAN(8) System Manager's Manual GUESSNET-SCAN(8)NAMEguessnet-scan - guess network configuration data by looking at network trafficSYNOPSISguessnet-scan [options] [ethernet_interface]DESCRIPTIONGuessnet-scan tries to deduce network configuration data by watching network traffic at a given Ethernet interface. After scanning network traffic for some time, guessnet-scan prints a configuration string suitable for inclusion in /etc/network/inter- faces. Note that guessnet-scan uses heuristics and wild guesses and that the resulting data is not guaranteed to be accurate. The program is intended to be used as a first try at getting network configuration data without bothering anyone.OPTIONSOptions follow the usual GNU conventions, --debug Print debugging messages. --help Show a brief summary of commandline options. --init-time=int Time in seconds to wait for the interface to initialize when it is not found already up at program startup. Default: 3 seconds. -t, --timeout=int Time in seconds to watch for network traffic. Default: 5 seconds. -v, --verbose Operate verbosely. --version Show the version number of the program.SCANNING REQUIREMENTSTo correctly identify all data of the local network, guessnet-scan needs to see traffic related to a host in the local network and to the local gateway, if any. To be able to identify the network gateway, guessnet-scan also needs to see some traffic directed to the external network: you can help the detection by generating some outbound IP traffic during the scan, for example by browsing a web page (without proxy) or using telnet to open a connection to some remote host. Note that if you are connected to a switch, guessnet-scan won't probably be able to work, since the switch will isolate it from the network traffic that the other machines are generating.SEE ALSOguessnet(8), interfaces(5).AUTHORGuessnet-scan was written by Enrico Zini <enrico@debian.org>. 10 October 2004 GUESSNET-SCAN(8)
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