mfsnetdump - dump network traffic as mfs packets
Contents
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
MooseFS 4.57.5-1 February 2025 mfsnetdump(8)
Description
mfsnetdump is an internal diagnostic tool similar to tcpdump, but specialized for MooseFS.
Name
mfsnetdump - dump network traffic as mfs packets
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>.
Synopsis
mfsnetdump [-rPCAP_FILE] [-iINTERFACE] [-pPORT_RANGE] [-fPCAP_FILTER] [-cPCOUNT] [-sMBYTES] [-eCOMMANDS] [-oCOMMANDS] [-x] [-y] [-n]
