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artsnexthopagg()                                              artsnexthopagg()

NAME

artsnexthopagg - utility to aggregate nexthop table objects in time domain

SYNOPSIS

artsnexthopagg [-v] [-i ifIndexList] [-I ifIndexList] [-h hours] [-o] [-q] outfile infile(s)

DESCRIPTION

artsnexthopagg is a utility that reads nexthop table objects from ARTS files (infile(s)) and aggregates them in the time domain, placing the resulting nexthop table object(s) into an output file (outfile).

OPTIONS

-v The -v option causes artsnexthopagg to print version information and exit immediately. -i ifIndexList The -i ifIndexList option may be used to select only data which contains an interface index attribute in ifIndexList. In other words, the -i ifIndexList option lets you select data from particular interfaces or sets of interfaces. ifIndexList may contain hyphens (indicating an inclusive range) and commas. For example, -i 1,2,5-8 would select data with an interface index attribute of 1, 2, 5, 6, 7 or 8. -I ifIndexList The -I ifIndexList option may be used to combine data which contains an interface index attribute in ifIndexList. In other words, the -I ifIndexList option lets you aggregate data across a set of interfaces. ifIndexList may contain hyphens (indicating an inclusive range) and commas. For example, -I 1,2,5-8 would combine all data with an interface index attribute of 1, 2, 5, 6, 7 or 8. The resulting aggregate objects will contain an interface index attribute of 0. -h hours The -h hours option may be used to specify the period of aggregation, in hours. The hours argument accepts a decimal value to permit aggregation by fractional hour values. When the -h hours option is not used, artsnexthopagg will write a single nexthop table object for the entire time interval seen in infile(s) to outfile. -o By default, artsnexthopagg appends to the output file, so you may accumlate aggregate nexthop table objects in a single file over multiple invocations of artsnexthopagg. You may override this behavior with the -o option. This will cause artsnexthopagg to overwrite the output file instead of appending to it. -q By default, artsnexthopagg prints a '.' for each nexthop table object it reads and prints a '+' for each object it writes. You may suppress this behavior with the -q (quiet) option.

EXAMPLES

artsnexthopagg -h 1.0 /tmp/nexthop1hr.19980821 arts.19980821

SEE ALSO

artsagg(l), artsnexthops(l), artsprotoagg(l), artsprotos(l), artsdump(l), artsases(l), artsasagg(l), artsnets(l), artsnetagg(l), artsportmagg(l), artsportms(l), artsports(l), artsintfmagg(l), artsintfms(l), artstos(l), artstoc(l)

ACKNOWLEDGEMENTS

artsprotoagg and documentation written by Daniel W. McRobb CAIDA, August 1998 artsnexthopagg()

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