RE: [Ethereal-users] Replay Capture Files ?

["Eichert, Diana" <deicher@xxxxxxxxxx>]

tcpreplay

Tcpreplay is a program for replaying network traffic saved in
packet-trace files generated using tcpdump(8)'s -w flag.

use tethereal to convert the Sniffer files to pcap format, run through
tcprelay.

diana

-----Original Message-----
From: McNutt, Justin M. [mailto:McNuttJ@xxxxxxxxxxxx]
Sent: February 07, 2001 3:33 PM
To: 'ethereal-users@xxxxxxxxxxxx'
Subject: RE: [Ethereal-users] Replay Capture Files ?


You might pass this idea on to Fyodor (author of nmap).  Since nmap is
capable of creating its own arbitrary packets, Fyodor may be able to help
you write a program that accepts libpcap format in and just spews packets
out.

Such a program would have to run as root, of course...

--J

> -----Original Message-----
> From: Guy Harris [mailto:guy@xxxxxxxxxx]
> Sent: Wednesday, February 07, 2001 2:37 PM
> To: cconlon
> Cc: ethereal-users@xxxxxxxxxxxx
> Subject: Re: [Ethereal-users] Replay Capture Files ?
> 
> 
> > Scott wants to know if:
> > 
> > 1) Is it possible to concatentate multiple sniffer trace 
> files into one
> > file. We were sent multiple files of 64MB that had been
> >      captured using Sniffer Pro for WIndows. Is there a way to
> > concatenate these files for replay from one large file ?
> 
> Not unless you write a program to do so.
> 
> > 2) Is it possible to use Ethereal to replay Sniffer files 
> onto a LAN ?
> 
> It's not possible to use Ethereal to replay any capture file; 
> it has no
> facility for transmitting arbitrary packets.
> 
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