arpsnmp - keep track of ethernet/ip address pairings


SYNOPSIS

       arpsnmp [ -d ] [ -f datafile ] file [ ...  ]


DESCRIPTION

       Arpsnmp  keeps  track for ethernet/ip address pairings. It
       syslogs activity and reports certain  changes  via  email.
       Arpsnmp  reads  information from a file (usually generated
       by snmpwalk(1)).

       The -d flag is used enable debugging. This  also  inhibits
       mailing the reports.  Instead, they are sent to stderr.

       The  -f  flag  is  used  to  set  the  ethernet/ip address
       database filename.  The default is arp.dat.

       Note that an empty arp.dat file must be created before the
       first time you run arpsnmp.


REPORT MESSAGES

       (See  the  arpwatch(8)  man page for details on the report
       messages generated by arpsnmp(8).)


FILES

       /usr/operator/arpwatch - default directory
       arp.dat - ethernet/ip address database
       ethercodes.dat - vendor ethernet block list


SEE ALSO

       arpwatch(8), snmpwalk(1), arp(8)


AUTHORS

       Craig Leres of the Lawrence Berkeley  National  Laboratory
       Network  Research  Group, University of California, Berke­
       ley, CA.

       The current version is available via anonymous ftp:

              ftp://ftp.ee.lbl.gov/arpwatch.tar.gz


BUGS

       Please send bug reports to arpwatch@ee.lbl.gov.

       Attempts are made to suppress DECnet flip flops  but  they
       aren't always successful.


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