Ethereal-users: [Ethereal-users] Using text2pcap, How to prepend IP ?

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From: Yi Ching Chen <YiChingChen@xxxxxxxx>
Date: Wed, 30 Mar 2005 18:04:20 +0800
Title: Using text2pcap, How to prepend IP ?

I read the user-guide, but I can't find how to use text2pcap to prepend dummy "specified" number of IP to dummy header.
To add specific port, I use : -u 8502,9201
This indicates the source(8502) and destination(9201) ports.
If I want to specify "10.1.2.3" and "20.5.6.7" as source and destination respectively,
 can any specialist tell me how to do it?