<HTML ><HEAD ><TITLE >Note on PPP-2.x and /proc/net/dev</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="Linux PPP HOWTO" HREF="index.html"><LINK REL="UP" TITLE="Configuring your Linux Kernel" HREF="kernel-configuration.html"><LINK REL="PREVIOUS" TITLE="Kernel compilation - the Linux 1.3.x, 2.0.x, and 2.2.x kernels" HREF="x656.html"><LINK REL="NEXT" TITLE="General kernel config considerations for PPP" HREF="x686.html"></HEAD ><BODY CLASS="SECT1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" ><A HREF="http://www.linuxports.com/howto/ppp" TARGET="_top" >Linux PPP HOWTO</A ></TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="x656.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 10. Configuring your Linux Kernel</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="x686.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="AEN676">10.5. Note on PPP-2.x and <TT CLASS="LITERAL" >/proc/net/dev</TT ></H1 ><P >If you are using PPP-2.x, you will find that a side effect of the 'on the fly' creation of the PPP devices is that no devices show up if you look in the <TT CLASS="LITERAL" >/proc/net</TT > file system until a device is created by starting up pppd:-</P ><P > <TABLE BORDER="0" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="PROGRAMLISTING" >[hartr@archenland hartr]$ cat /proc/net/dev Inter-| Receive | Transmit face |packets errs drop fifo frame|packets errs drop fifo colls carrier lo: 92792 0 0 0 0 92792 0 0 0 0 0 eth0: 621737 13 13 0 23 501621 0 0 0 1309 0</PRE ></FONT ></TD ></TR ></TABLE > </P ><P >Once you have one (or more) ppp services started, you will see entries such as this (from a ppp server):-</P ><P > <TABLE BORDER="0" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="PROGRAMLISTING" >[root@kepler /root]# cat /proc/net/dev Inter-| Receive | Transmit face |packets errs drop fifo frame|packets errs drop fifo colls carrier lo: 428021 0 0 0 0 428021 0 0 0 0 0 eth0:4788257 648 648 319 650 1423836 0 0 0 4623 5 ppp0: 2103 3 3 0 0 2017 0 0 0 0 0 ppp1: 10008 0 0 0 0 8782 0 0 0 0 0 ppp2: 305 0 0 0 0 297 0 0 0 0 0 ppp3: 6720 7 7 0 0 7498 0 0 0 0 0 ppp4: 118231 725 725 0 0 117791 0 0 0 0 0 ppp5: 38915 5 5 0 0 28309 0 0 0 0 0</PRE ></FONT ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="x656.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="x686.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Kernel compilation - the Linux 1.3.x, 2.0.x, and 2.2.x kernels</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="kernel-configuration.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >General kernel config considerations for PPP</TD ></TR ></TABLE ></DIV ></BODY ></HTML >