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Full Discussion: Extract & Manipulate continous data stream-- tcpdump
Top Forums Shell Programming and Scripting Extract & Manipulate continous data stream-- tcpdump Post 302897848 by delphys on Wednesday 16th of April 2014 11:23:42 AM
Old 04-16-2014
finally solved it..

Code:
tcpdump -i T3501 -A ether host 00:1e:49:29:fc:c9 or ether host 00:1b:2b:86:ec:1b or ether host 00:21:1c:98:a4:08 and net 149.83.6.0/24 \
| grep --line-buffered -B 20 IBM-32 | awk '/IBM-32/ || ( /IP/ && /Flags \[\.\]\, ack/ )' \
| awk '/IBM/{ split($0,A,"IBM");   system("date");  print "Term-ID= IBM-"A[2] }   /IP/{ print "Source-IP= "$3 }'

Code:
Wed Apr 16 11:19:58 EDT 2014
Term-ID= IBM--3278-2-E.CC214070..
Source-IP= 199.198.231.57.12596
Source-IP= 168.108.167.244.60976
Source-IP= 199.198.231.57.59263
Wed Apr 16 11:19:58 EDT 2014
Term-ID= IBM--3278-2-E.CC214070..
Source-IP= 168.108.220.104.57107
Source-IP= 168.108.167.244.60976
Source-IP= 168.108.221.122.49326
Source-IP= 167.26.185.245.krb5gatekeeper
Wed Apr 16 11:19:58 EDT 2014
Term-ID= IBM--3278-2-E.CDC06151..
Wed Apr 16 11:19:58 EDT 2014
Term-ID= IBM--3278-2-E.CDC06151..
Source-IP= 168.108.167.244.60976
Wed Apr 16 11:19:58 EDT 2014
Term-ID= IBM--3278-2-E.cdc18155..
Source-IP= 168.108.220.104.57107
Source-IP= 168.108.167.244.60976
Source-IP= 168.108.167.244.60980

 

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LEARN ABOUT DEBIAN

ladvdc

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

NAME

       ladvdc - display link layer advertisements

SYNOPSIS

       ladvdc [ INTERFACE ] [ INTERFACE ] ...

DESCRIPTION

       ladvdc  displays  link  layer  advertisements  received by ladvd(8) running in receive mode (via -a or -z).  Optionally a list of protocols
       and/or interfaces can be supplied to limit the amount of information displayed. Only users in the ladvd group are allowed to connect to the
       daemon.

OPTIONS

       -b     Print output in a format suitable for inclusion in shell scripts.

       -d     Dump  pcap-compatible  packets  to  stdout  which can be piped to tcpdump (via "| tcpdump -r -") or redirected to a file for further
	      analysis.

       -f     Print a full decode of each advertisement (not implemented).

       -h     Print usage instructions.

       -o     Only print the first advertisement.

       -p http://domain.tld/script
	      Post decoded packets to the supplied url.

       -L     Parse LLDP (Link Layer Discovery Protocol).

       -C     Parse CDP (Cisco Discovery Protocol).

       -E     Parse EDP (Extreme Discovery Protocol).

       -F     Parse FDP (Foundry Discovery Protocol).

       -N     Parse NDP (Nortel Discovery Protocol) formerly called SynOptics Network Management Protocol (SONMP).

AUTHOR

       Sten Spans <sten@blinkenlights.nl>

ladvdc								   April 19 2010							 ladvdc(8)
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