Ethereal-users: [Ethereal-users] Filter Syntax for tethereal

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From: ddstock@xxxxxxx
Date: Wed, 07 Sep 2005 19:41:47 +0000
Greetings,
I have difficulty with tethereal filter syntax.  When using tethereal, if I specify primitive 'host' followed by IP address, tethereal behaves correctly and captures packets only to/from that host.   However if I specify additional command line options for tethereal, then the filter syntax is failed and therefore the capture failed.  Example :
 
tethereal host 192.168.1.100
 
The above works fine.   However the following variation with additional options fails :
 
tethereal host 192.168.32.131 -a filesize:10000 duration:15 -w ethcap1
tethereal: Unable to parse capture filter string (syntax error).
 
I've tried several variations including attempting to specify the -f option operator with no success.  Can anyone offer syntax usage examples that allows filter by host via tethereal to work when used in conjunction with additional options?
 
Thanks!
DD