Hardware capture platforms

Paul Jakma paul at clubi.ie
Fri Aug 1 09:46:41 CDT 2008

On Wed, 30 Jul 2008, Jon Kibler wrote:

> However, there is a problem with your specification: No hub (that I am
> aware of) can do 1Gbps. All hubs are 10/100 AFAIK.

GigE is PtP at the physical-layer by the IEEE 802.3ad specification. 
It's just not possible to have a dumb, GigE hub. You have to have a 
switch that can be told to L2-forward everything to one or more ports 
(e.g. through a port-mirroring feature, or by disabling MAC 

Also, though probably not terribly relevant, various switches have 
various bugs/malfeatures that cause them to consume certain kinds of 
frames rather than forward them (e.g. consuming all or certain kinds 
of ISO frames).

Paul Jakma	paul at clubi.ie	paul at jakma.org	Key ID: 64A2FF6A
lisp, v.:
 	To call a spade a thpade.

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