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Full Discussion: Correctly received bytes?
Top Forums UNIX for Advanced & Expert Users Correctly received bytes? Post 28066 by mint1981 on Thursday 12th of September 2002 02:48:02 AM
Old 09-12-2002
Correctly received bytes?
I have been puzzled over how to find out between correctly received bytes and total received bytes in the UNIX system.

So far, I guess that the information provided by the ifconfig or netstat command provides me with the total transmitted/received packets and bytes over each of my connections.

On the other hand, where can i find out how many bytes that I have actually correctly received? I know the number of packets that have errors but I don't know how many bytes were in each packet, so that I wouldn't know how many bytes were lost.

Is there another way or another system command for this?

Thanks
 

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LEARN ABOUT SUSE

pppstats

PPPSTATS(8)						      System Manager's Manual						       PPPSTATS(8)

NAME

       pppstats - print PPP statistics

SYNOPSIS

       pppstats [ -a ] [ -v ] [ -r ] [ -z ] [ -c <count> ] [ -w <secs> ] [ interface ]

DESCRIPTION

       The pppstats utility reports PPP-related statistics at regular intervals for the specified PPP interface.  If the interface is unspecified,
       it will default to ppp0.  The display is split horizontally into input and output sections containing columns of statistics describing  the
       properties and volume of packets received and transmitted by the interface.

       The options are as follows:

       -a     Display  absolute  values  rather than deltas.  With this option, all reports show statistics for the time since the link was initi-
	      ated.  Without this option, the second and subsequent reports show statistics for the time since the last report.

       -c count
	      Repeat the display count times.  If this option is not specified, the default repeat count is 1 if the -w option is  not	specified,
	      otherwise infinity.

       -r     Display additional statistics summarizing the compression ratio achieved by the packet compression algorithm in use.

       -v     Display additional statistics relating to the performance of the Van Jacobson TCP header compression algorithm.

       -w wait
	      Pause wait seconds between each display.	If this option is not specified, the default interval is 5 seconds.

       -z     Instead of the standard display, show statistics indicating the performance of the packet compression algorithm in use.

       The following fields are printed on the input side when the -z option is not used:

       IN     The total number of bytes received by this interface.

       PACK   The total number of packets received by this interface.

       VJCOMP The number of header-compressed TCP packets received by this interface.

       VJUNC  The number of header-uncompressed TCP packets received by this interface.  Not reported when the -r option is specified.

       VJERR  The number of corrupted or bogus header-compressed TCP packets received by this interface.  Not reported when the -r option is spec-
	      ified.

       VJTOSS The number of VJ header-compressed TCP packets dropped on reception by this interface because of preceding  errors.   Only  reported
	      when the -v option is specified.

       NON-VJ The total number of non-TCP packets received by this interface. Only reported when the -v option is specified.

       RATIO  The  compression	ratio  achieved  for  received	packets  by the packet compression scheme in use, defined as the uncompressed size
	      divided by the compressed size.  Only reported when the -r option is specified.

       UBYTE  The total number of bytes received, after decompression of compressed packets.  Only reported when the -r option is specified.

       The following fields are printed on the output side:

       OUT    The total number of bytes transmitted from this interface.

       PACK   The total number of packets transmitted from this interface.

       VJCOMP The number of TCP packets transmitted from this interface with VJ-compressed TCP headers.

       VJUNC  The number of TCP packets transmitted from this interface with VJ-uncompressed TCP headers.  Not reported  when  the  -r	option	is
	      specified.

       NON-VJ The total number of non-TCP packets transmitted from this interface.  Not reported when the -r option is specified.

       VJSRCH The number of searches for the cached header entry for a VJ header compressed TCP packet.  Only reported when the -v option is spec-
	      ified.

       VJMISS The number of failed searches for the cached header entry for a VJ header compressed TCP packet.	Only reported when the	-v  option
	      is specified.

       RATIO  The  compression ratio achieved for transmitted packets by the packet compression scheme in use, defined as the size before compres-
	      sion divided by the compressed size.  Only reported when the -r option is specified.

       UBYTE  The total number of bytes to be transmitted, before packet compression is applied.  Only reported when the -r option is specified.

       When the -z option is specified, instead displays the following fields, relating to the packet compression algorithm currently in use.	If
       packet compression is not in use, these fields will all display zeroes.	The fields displayed on the input side are:

       COMPRESSED BYTE
	      The number of bytes of compressed packets received.

       COMPRESSED PACK
	      The number of compressed packets received.

       INCOMPRESSIBLE BYTE
	      The number of bytes of incompressible packets (that is, those which were transmitted in uncompressed form) received.

       INCOMPRESSIBLE PACK
	      The number of incompressible packets received.

       COMP RATIO
	      The  recent  compression ratio for incoming packets, defined as the uncompressed size divided by the compressed size (including both
	      compressible and incompressible packets).

       The fields displayed on the output side are:

       COMPRESSED BYTE
	      The number of bytes of compressed packets transmitted.

       COMPRESSED PACK
	      The number of compressed packets transmitted.

       INCOMPRESSIBLE BYTE
	      The number of bytes of incompressible packets transmitted (that is, those which were transmitted in uncompressed form).

       INCOMPRESSIBLE PACK
	      The number of incompressible packets transmitted.

       COMP RATIO
	      The recent compression ratio for outgoing packets.

SEE ALSO

       pppd(8)

								   26 June 1995 						       PPPSTATS(8)
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