11-14-2003
All those devices belong to the same tape, they just represent diffent ways to use it:
0 is the device number
/dev/rmt/0m - at&t style
/dev/rmt/0mb - berkeley style
/dev/rmt/0mn - at&t style, no rewind
( ... )
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LEARN ABOUT REDHAT
arpsnmp
ARPSNMP(8) System Manager's Manual ARPSNMP(8)
NAME
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, Berkeley, 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.
4th Berkeley Distribution 17 September 2000 ARPSNMP(8)