328 lines
7.0 KiB
HTML
328 lines
7.0 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of PPPSTATS</TITLE>
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</HEAD><BODY>
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<H1>PPPSTATS</H1>
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Section: Maintenance Commands (8)<BR>Updated: 26 June 1995<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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pppstats - print PPP statistics
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<B>pppstats</B>
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[
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<B>-a</B>
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] [
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<B>-v</B>
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] [
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<B>-r</B>
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] [
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<B>-z</B>
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] [
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<B>-c</B>
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<I><count></I>
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] [
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<B>-w</B>
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<I><secs></I>
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] [
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<I>interface</I>
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]
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<BR>
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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The
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<B>pppstats</B>
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utility reports PPP-related statistics at regular intervals for the
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specified PPP interface. If the interface is unspecified, it will
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default to ppp0.
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The display is split horizontally
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into input and output sections containing columns of statistics
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describing the properties and volume of packets received and
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transmitted by the interface.
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<P>
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The options are as follows:
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<DL COMPACT>
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<DT id="1"><B>-a</B>
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<DD>
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Display absolute values rather than deltas. With this option, all
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reports show statistics for the time since the link was initiated.
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Without this option, the second and subsequent reports show statistics
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for the time since the last report.
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<DT id="2"><B>-c </B><I>count</I>
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<DD>
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Repeat the display
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<I>count</I>
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times. If this option is not specified, the default repeat count is 1
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if the
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<B>-w</B>
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option is not specified, otherwise infinity.
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<DT id="3"><B>-r</B>
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<DD>
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Display additional statistics summarizing the compression ratio
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achieved by the packet compression algorithm in use.
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<DT id="4"><B>-v</B>
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<DD>
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Display additional statistics relating to the performance of the Van
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Jacobson TCP header compression algorithm.
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<DT id="5"><B>-w </B><I>wait</I>
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<DD>
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Pause
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<I>wait</I>
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seconds between each display. If this option is not specified, the
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default interval is 5 seconds.
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<DT id="6"><B>-z</B>
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<DD>
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Instead of the standard display, show statistics indicating the
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performance of the packet compression algorithm in use.
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</DL>
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<P>
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The following fields are printed on the input side when the
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<B>-z</B>
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option is not used:
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<DL COMPACT>
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<DT id="7"><B>IN</B>
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<DD>
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The total number of bytes received by this interface.
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<DT id="8"><B>PACK</B>
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<DD>
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The total number of packets received by this interface.
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<DT id="9"><B>VJCOMP</B>
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<DD>
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The number of header-compressed TCP packets received by this interface.
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<DT id="10"><B>VJUNC</B>
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<DD>
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The number of header-uncompressed TCP packets received by this
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interface. Not reported when the
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<B>-r</B>
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option is specified.
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<DT id="11"><B>VJERR</B>
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<DD>
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The number of corrupted or bogus header-compressed TCP packets
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received by this interface. Not reported when the
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<B>-r</B>
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option is specified.
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<DT id="12"><B>VJTOSS</B>
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<DD>
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The number of VJ header-compressed TCP packets dropped on reception by
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this interface because of preceding errors. Only reported when the
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<B>-v</B>
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option is specified.
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<DT id="13"><B>NON-VJ</B>
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<DD>
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The total number of non-TCP packets received by this interface. Only
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reported when the
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<B>-v</B>
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option is specified.
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<DT id="14"><B>RATIO</B>
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<DD>
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The compression ratio achieved for received packets by the
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packet compression scheme in use, defined as the uncompressed size
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divided by the compressed size.
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Only reported when the
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<B>-r</B>
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option is specified.
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<DT id="15"><B>UBYTE</B>
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<DD>
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The total number of bytes received, after decompression of compressed
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packets. Only reported when the
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<B>-r</B>
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option is specified.
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</DL>
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<P>
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The following fields are printed on the output side:
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<DL COMPACT>
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<DT id="16"><B>OUT</B>
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<DD>
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The total number of bytes transmitted from this interface.
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<DT id="17"><B>PACK</B>
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<DD>
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The total number of packets transmitted from this interface.
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<DT id="18"><B>VJCOMP</B>
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<DD>
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The number of TCP packets transmitted from this interface with
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VJ-compressed TCP headers.
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<DT id="19"><B>VJUNC</B>
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<DD>
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The number of TCP packets transmitted from this interface with
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VJ-uncompressed TCP headers.
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Not reported when the
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<B>-r</B>
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option is specified.
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<DT id="20"><B>NON-VJ</B>
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<DD>
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The total number of non-TCP packets transmitted from this interface.
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Not reported when the
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<B>-r</B>
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option is specified.
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<DT id="21"><B>VJSRCH</B>
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<DD>
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The number of searches for the cached header entry for a VJ header
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compressed TCP packet. Only reported when the
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<B>-v</B>
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option is specified.
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<DT id="22"><B>VJMISS</B>
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<DD>
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The number of failed searches for the cached header entry for a
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VJ header compressed TCP packet. Only reported when the
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<B>-v</B>
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option is specified.
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<DT id="23"><B>RATIO</B>
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<DD>
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The compression ratio achieved for transmitted packets by the
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packet compression scheme in use, defined as the size
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before compression divided by the compressed size.
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Only reported when the
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<B>-r</B>
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option is specified.
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<DT id="24"><B>UBYTE</B>
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<DD>
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The total number of bytes to be transmitted, before packet compression
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is applied. Only reported when the
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<B>-r</B>
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option is specified.
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</DL>
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<P>
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When the
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<B>-z</B>
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option is specified,
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<B>pppstats</B>
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instead displays the following fields, relating to the packet
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compression algorithm currently in use. If packet compression is not
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in use, these fields will all display zeroes. The fields displayed on
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the input side are:
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<DL COMPACT>
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<DT id="25"><B>COMPRESSED BYTE</B>
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<DD>
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The number of bytes of compressed packets received.
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<DT id="26"><B>COMPRESSED PACK</B>
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<DD>
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The number of compressed packets received.
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<DT id="27"><B>INCOMPRESSIBLE BYTE</B>
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<DD>
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The number of bytes of incompressible packets (that is, those which
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were transmitted in uncompressed form) received.
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<DT id="28"><B>INCOMPRESSIBLE PACK</B>
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<DD>
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The number of incompressible packets received.
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<DT id="29"><B>COMP RATIO</B>
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<DD>
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The recent compression ratio for incoming packets, defined as the
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uncompressed size divided by the compressed size (including both
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compressible and incompressible packets).
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</DL>
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<P>
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The fields displayed on the output side are:
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<DL COMPACT>
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<DT id="30"><B>COMPRESSED BYTE</B>
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<DD>
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The number of bytes of compressed packets transmitted.
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<DT id="31"><B>COMPRESSED PACK</B>
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<DD>
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The number of compressed packets transmitted.
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<DT id="32"><B>INCOMPRESSIBLE BYTE</B>
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<DD>
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The number of bytes of incompressible packets transmitted (that is,
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those which were transmitted in uncompressed form).
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<DT id="33"><B>INCOMPRESSIBLE PACK</B>
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<DD>
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The number of incompressible packets transmitted.
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<DT id="34"><B>COMP RATIO</B>
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<DD>
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The recent compression ratio for outgoing packets.
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</DL>
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<A NAME="lbAE"> </A>
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<H2>SEE ALSO</H2>
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<A HREF="/cgi-bin/man/man2html?8+pppd">pppd</A>(8)
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<P>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="35"><A HREF="#lbAB">NAME</A><DD>
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<DT id="36"><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT id="37"><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT id="38"><A HREF="#lbAE">SEE ALSO</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:06:15 GMT, March 31, 2021
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