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This is a lightweight but well-featured tool for collecting NetFlow version 5 packets from Cisco routers. The implementation includes a simple UDP-to-TCP converting server, which may be used to replicate NetFlow data to multiple clients. WWW: http://ehnt.sourceforge.net/ PR: ports/29459 Submitted by: Dmitry Morozovsky <marck@rinet.ru>
112 lines
3.8 KiB
Groff
112 lines
3.8 KiB
Groff
.\" Copyright (c) 2000-2001 Nik Weidenbacher nikw@martnet.com
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.\" Portions Copyright (c) 2001 Dmitry Morozovsky marck@rinet.ru
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.\"
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $Id$
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.\"
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.Dd Aug 04, 2001
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.Dt EHNT 1
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.\" .Os BSD 4.4
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.Sh NAME
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.Nm ehnt
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.Nd Extreme Happy Netflow Tool. Client part
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.Sh SYNOPSIS
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.Nm
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.Op Fl 0 Ar ASN
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.Op Fl a Ar ASN
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.Op Fl b
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.Op Fl c Ar count
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.Op Fl i Ar mins
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.Op Fl m Ar mode
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.Op Fl n Ar intidx
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.Op Fl p Ar port
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.Op Fl P Ar proto
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.Op Fl r Ar addr
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.Op Fl s Ar server:port
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.Op Fl x Ar prefix
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.Sh DESCRIPTION
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The
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.Nm
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command starts
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.Xr ehnt 1
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client which connects to
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.Xr ehntserv 8
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server and converts raw flow of NetFlow version 5 packets into
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somewhat human-readable (or machine-readable) form.
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.Pp
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The options are as follows:
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.Bl -tag -width ".Fl n Ar intidx"
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.It Fl 0 Ar ASN
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Replace AS number 0 occurences with this AS number
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.It Fl a Ar ASN
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Only display flows to/from this AS number
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.It Fl b
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Display big flows (only shows flows with the most bytes
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or packets received so far)
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.It Fl c Ar count
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Exit after <count> flows are received
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.It Fl i Ar mins
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How long to wait between report generations (in minutes)
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.It Fl m Ar mode
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The name of the mode of operation to use:
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.Cm dump
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displays flow detail;
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.Cm shortdump
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shows flow details in a more compact fashion;
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.Cm top
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generates reports of top average utilization
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.It Fl n Ar intidx
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Specify the interface by SNMP ifIndex number
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.It Fl p Ar port
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Only display flows to/from this tcp or udp port number
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.It Fl P Ar proto
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Only display flows using this IP protocol number
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.It Fl r Ar addr
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Only display flows reported by this router IP address
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.It Fl s Ar server:port
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The hostname or IP address and port number of the
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.Xr ehntserv 8
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.It Fl x Ar prefix
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Only display flows to/from this IP prefix. The format for <prefix>
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is 'address/length', for example 1.2.3.4/30 or 127.0.0.0/8.
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.El
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.Sh FILES
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.Bl -tag -width /usr/local/share/ehnt/asnc.txt -compact
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.It Pa /usr/local/share/ehnt/asnc.txt
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Autonomous Systems Number-to-Name Convertion table
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.El
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.Sh SEE ALSO
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.Xr ehntserv 8
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.Sh AUTHORS
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.An Nik Weidenbacher Aq nikw@martnet.com
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.An Dmitry Morozovsky Aq marck@rinet.ru
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