Re: analyzing traceroute ouput



what are layer 1 and layer 4 type devices?
are there any tools to probe such devices since traceroute only
works on layer 3?

On Sun, 10 Jun 2001, Rene Wijninga wrote:

> Hi James,
> 
> A traceroute is done on the layer 3 level (IP) whereas a bridge is a layer 2
> device (MAC layer), unaware of layer 3 information. So a traceroute will
> only show you layer 3 info, and not layer 2. So the answer is no, only layer
> 3 devices like routers will show up in a traceroute, not layer 2 devices
> like switches.
> 
> Regards, Rene
> 
> ----- Original Message -----
> From: "Saint James" <the_saint_james@yahoo.com>
> To: <firewalls@Lists.GNAC.NET>
> Sent: Sunday, June 10, 2001 11:42 AM
> Subject: Re: analyzing traceroute ouput
> 
> 
> > Is there anyway to make traceroute show any additional
> > devices/nodes, like
> > bridges ?
> >
> > James
> >
> >
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uram@cmu.edu
"Blessed are those who have not seen and yet have faith." - John 20:29


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