<HTML ><HEAD ><TITLE >flow-gen</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.71 "></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><H1 ><A NAME="AEN1" ><SPAN CLASS="APPLICATION" >flow-gen</SPAN ></A ></H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN6" ></A ><H2 >Name</H2 ><SPAN CLASS="APPLICATION" >flow-gen</SPAN > -- Generate test flows</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN10" ></A ><H2 >Synopsis</H2 ><P ><B CLASS="COMMAND" >flow-gen</B > [-h] [-b<TT CLASS="REPLACEABLE" ><I > big</I ></TT >|<TT CLASS="REPLACEABLE" ><I >little</I ></TT >] [-d<TT CLASS="REPLACEABLE" ><I > debug_level</I ></TT >] [-n<TT CLASS="REPLACEABLE" ><I > count</I ></TT >] [-V<TT CLASS="REPLACEABLE" ><I > version</I ></TT >] [-z<TT CLASS="REPLACEABLE" ><I > z_level</I ></TT >]</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN25" ></A ><H2 >DESCRIPTION</H2 ><P >The <B CLASS="COMMAND" >flow-gen</B > utility generates a test pattern of flows in any of the currently supported export versions typically for debugging purposes.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN29" ></A ><H2 >OPTIONS</H2 ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT >-b<TT CLASS="REPLACEABLE" ><I > big</I ></TT >|<TT CLASS="REPLACEABLE" ><I >little</I ></TT ></DT ><DD ><P >Byte order of output.</P ></DD ><DT >-d<TT CLASS="REPLACEABLE" ><I > debug_level</I ></TT ></DT ><DD ><P >Enable debugging.</P ></DD ><DT >-h</DT ><DD ><P >Display help.</P ></DD ><DT >-n<TT CLASS="REPLACEABLE" ><I > count</I ></TT ></DT ><DD ><P >Generate count flows. Default 1000.</P ></DD ><DT >-V<TT CLASS="REPLACEABLE" ><I > version</I ></TT ></DT ><DD ><P >Generate version type exports. Supported versions are: <P CLASS="LITERALLAYOUT" > 1 NetFlow version 1 (No sequence numbers, AS, or mask)<br> 5 NetFlow version 5<br> 6 NetFlow version 6 (5+ Encapsulation size)<br> 7 NetFlow version 7 (Catalyst switches)<br> 8.1 NetFlow AS Aggregation<br> 8.2 NetFlow Proto Port Aggregation<br> 8.3 NetFlow Source Prefix Aggregation<br> 8.4 NetFlow Destination Prefix Aggregation<br> 8.5 NetFlow Prefix Aggregation<br> 8.6 NetFlow Destination (Catalyst switches)<br> 8.7 NetFlow Source Destination (Catalyst switches)<br> 8.8 NetFlow Full Flow (Catalyst switches)<br> 8.9 NetFlow ToS AS Aggregation<br> 8.10 NetFlow ToS Proto Port Aggregation<br> 8.11 NetFlow ToS Source Prefix Aggregation<br> 8.12 NetFlow ToS Destination Prefix Aggregation<br> 8.13 NetFlow ToS Prefix Aggregation<br> 8.14 NetFlow ToS Prefix Port Aggregation<br> 1005 Flow-Tools tagged version 5</P ></P ></DD ><DT >-z<TT CLASS="REPLACEABLE" ><I > z_level</I ></TT ></DT ><DD ><P >Configure compression level to <TT CLASS="REPLACEABLE" ><I > z_level</I ></TT >. 0 is disabled (no compression), 9 is highest compression.</P ></DD ></DL ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN64" ></A ><H2 >EXAMPLES</H2 ><DIV CLASS="INFORMALEXAMPLE" ><A NAME="AEN66" ></A ><P ></P ><P >Generate a test pattern of 1000 version 5 flows and send them in the Cisco NetFlow packet format to 10.0.0.1 port 9500.</P ><P > <B CLASS="COMMAND" >flow-gen -V5 | flow-send 0/10.0.0.1/9500</B ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN70" ></A ><H2 >BUGS</H2 ><P >The test pattern may change between releases.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN73" ></A ><H2 >AUTHOR</H2 ><P >Mark Fullmer <TT CLASS="EMAIL" ><<A HREF="mailto:maf@splintered.net" >maf@splintered.net</A >></TT ></P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN80" ></A ><H2 >SEE ALSO</H2 ><P ><SPAN CLASS="APPLICATION" >flow-tools</SPAN >(1)</P ></DIV ></BODY ></HTML >