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1.1.1.2 ! misho       9: <A HREF="mpd.html"><EM>Mpd 5.7 User Manual</EM></A>
1.1       misho      10:  <b>:</b> <A HREF="mpd42.html"><EM>Device Types</EM></A>
                     11:  <b>:</b> <EM>Netgraph device type commands</EM><BR>
                     12: <b>Previous:</b> <A HREF="mpd43.html"><EM>Modem type commands</EM></A><BR>
                     13: <b>Next:</b> <A HREF="mpd45.html"><EM>TCP device type commands</EM></A>
                     14: 
                     15: 
                     16: <HR NOSHADE>
                     17:   <H2><A NAME="44"></A>5.2. Netgraph device type commands<A NAME="netgraph"></A></H2>
                     18: <p>This chapter describes commands that are specific to netgraph type links.
                     19: These commands apply to the currently active link, and are only
                     20: valid if the currently active link has type <b>ng</b>.</p>
                     21: <p>Note that this device type has no direct way to detect a physical layer
                     22: disconnection (i.e., what would be analogous to loss of carrier detect)
                     23: except by receiving a write error. One way to achieve this is to
                     24: insure that when the physical layer goes down, the connection to
                     25: the Netgraph hook is broken.</p>
                     26: <p>
                     27: <dl>
                     28: 
                     29: <dt><b><code>set ng node <em>nodepath</em></code></b><dd>
                     30: <dt><b><code>set ng hook <em>hook</em></code></b><dd><p>These commands configure which Netgraph node, and which hook on that
                     31: node, mpd is supposed to connect to. The node is found via the
                     32: absolute Negraph address <code><em>nodepath</em></code> and must have
                     33: a free hook named <code><em>hook</em></code>. Both of these commands
                     34: are required.</p>
                     35: <p>The hook should be connectable directly to a link hook of the
                     36: <code>ng_ppp(3)</code> netgraph node type.  That is, it should be
                     37: prepared to transmit and receive PPP frames starting with the
                     38: address and control fields (unless compressed), followed by the
                     39: PPP protocol number and information fields, but containing no
                     40: checksum field.</p>
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                     42: </dl>
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                     47:  <HR NOSHADE>
1.1.1.2 ! misho      48: <A HREF="mpd.html"><EM>Mpd 5.7 User Manual</EM></A>
1.1       misho      49:  <b>:</b> <A HREF="mpd42.html"><EM>Device Types</EM></A>
                     50:  <b>:</b> <EM>Netgraph device type commands</EM><BR>
                     51: <b>Previous:</b> <A HREF="mpd43.html"><EM>Modem type commands</EM></A><BR>
                     52: <b>Next:</b> <A HREF="mpd45.html"><EM>TCP device type commands</EM></A>
                     53: 
                     54: 
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