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9: <A HREF="mpd.html"><EM>Mpd 5.6 User Manual</EM></A>
10: <b>:</b> <A HREF="mpd17.html"><EM>Configuring Mpd</EM></A>
11: <b>:</b> <A HREF="mpd33.html"><EM>Traffic accounting</EM></A>
12: <b>:</b> <EM>NetFlow</EM><BR>
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14: <b>Next:</b> <A HREF="mpd35.html"><EM>IP Accounting</EM></A>
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18: <H2><A NAME="34"></A>4.12.1. NetFlow<A NAME="netflow"></A></H2>
19: <p>NetFlow is a protocol for exporting aggregated traffic information
20: with UDP packets flow. NetFlow is generated by <code>ng_netflow(4)</code> node.
21: To enable NetFlow on a particular interface <code>netflow-in</code> or
22: <code>netflow-out</code> options should be used. Best practice is to enable
23: netflow on every interface in system in only one direction:
24: incoming for "ingress" flow or outgoing for "egress" flow.</p>
25: <p><b>Note:</b> Netflow configuration is global for the daemon,
26: so it must be done before first bundle get connected.</p>
27: <p><b>Note:</b> This feature is available only on FreeBSD 6.0-RELEASE
28: and newer. NetFlow v9 supprted only on FreeBSD 9.0-RELEASE and newer.</p>
29: <p>
30: <dl>
31:
32: <dt><b><code>set netflow peer <em>ip</em> <em>port</em></code></b><dd><p>Set destination IP address and port, where NetFlow export datagrams
33: will be sent. This options is important to have working NetFlow.</p>
34:
35: <dt><b><code>set netflow self <em>ip</em> <em>port</em></code></b><dd><p>Set optional local IP and port binding, to make NetFlow datagrams
36: originate from a specific source.</p>
37:
38: <dt><b><code>set netflow version <em>ver</em></code></b><dd><p>Choose NetFlow version to export. Supported options are 5 or 9.</p>
39: <p>Default is 5.</p>
40:
41: <dt><b><code>set netflow mtu <em>bytes</em></code></b><dd><p>Set export interface MTU to build packets of specified size (NetFlow
42: v9-specific).</p>
43: <p>Default is 1500.</p>
44:
45: <dt><b><code>set netflow template <em>time</em> <em>packets</em></code></b><dd><p>Modify time and packet timeouts to announce data flow templates (NetFlow
46: v9-specific).</p>
47: <p>Defaults are 600 and 500.</p>
48:
49: <dt><b><code>set netflow timeouts <em>inactive</em> <em>active</em></code></b><dd><p>Modify inactive and active timeout values. For more information, see
50: <code>ng_netflow(4)</code> manual page.</p>
51:
52: <dt><b><code>set netflow node <em>nodename</em></code></b><dd><p>Use existing <code>ng_netflow(4)</code> node instead of creating a new one.</p>
53:
54: <dt><b><code>set netflow hook <em>number</em></code></b><dd><p>Use <code>ng_netflow(4)</code> node's hooks starting from specified number.
55: For detailed information about naming of hooks, see <code>ng_netflow(4)</code>
56: manual page.</p>
57:
58: </dl>
59: </p>
60:
61: <HR NOSHADE>
62: <A HREF="mpd.html"><EM>Mpd 5.6 User Manual</EM></A>
63: <b>:</b> <A HREF="mpd17.html"><EM>Configuring Mpd</EM></A>
64: <b>:</b> <A HREF="mpd33.html"><EM>Traffic accounting</EM></A>
65: <b>:</b> <EM>NetFlow</EM><BR>
66: <b>Previous:</b> <A HREF="mpd33.html"><EM>Traffic accounting</EM></A><BR>
67: <b>Next:</b> <A HREF="mpd35.html"><EM>IP Accounting</EM></A>
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