Man page - mfsnetdump(8)

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Manual

mfsnetdump

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
REPORTING BUGS
COPYRIGHT

NAME

mfsnetdump - dump network traffic as mfs packets

SYNOPSIS

mfsnetdump [ -r PCAP_FILE ] [ -i INTERFACE ] [ -p PORT_RANGE ] [ -f PCAP_FILTER ] [ -c PCOUNT ] [ -s MBYTES ] [ -e COMMANDS ] [ -o COMMANDS ] [ -x ] [ -y ] [ -n ]

DESCRIPTION

mfsnetdump is an internal diagnostic tool similar to tcpdump, but specialized for MooseFS.

OPTIONS

-r

specify PCAP file to read packets from

-i

dump packets using given network interface

-p

show only packets from given port range (default range is 9419-9422, so by default only MFS packets are shown)

-f

define pcap filter to filter packets

-c

dump only PCOUNT packets and exit

-s

dump only first MBYTES bytes of each packet

-e

do not display given commands

-o

show only given commands

-x

do not display mfs maintenance commands (such as CSTOMA_SPACE or CLTOMA_FUSE_TIME_SYNC)

-y

do not display open/close connections packets

-n

show ANTOAN_NOP command (disabled by default)

REPORTING BUGS

Report bugs to <bugs@moosefs.com>.

COPYRIGHT

Copyright (C) 2025 Jakub Kruszona-Zawadzki, Saglabs SA

This file is part of MooseFS.

MooseFS is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2 (only).

MooseFS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with MooseFS; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA or visit http://www.gnu.org/licenses/gpl-2.0.html