Thanks for the info
I'm waiting answer from netgear anyway I'm going to play safe I'll get a tap
as soon as possible
Best and Warmest regards
Guillermo Calvo
-----Mensaje original-----
De: snort-users-admin@lists.sourceforge.net
[mailto:snort-users-admin@lists.sourceforge.net] En nombre de Richard
Bejtlich
Enviado el: Friday, November 19, 2004 3:54 PM
Para: snort-users@lists.sourceforge.net
Asunto: RE: [Snort-users] Found true hub
John McCash wrote:
Gullermo,
Ummm... from the writeup on that device on the CDW website:
"Full connectivity among devices
Each unit has a built-in self-learning bridge which provides the
communications link between the 10 and 100Mbps network devices. The
intelligent bridge automatically manages network traffic such that 100
Mbps traffic does not unnecessarily crowd the 10Mbps network segment and
10Mbps traffic does not crowd the 100Mbps segment."
Are you SURE that this isn't dropping some of the traffic that you're
supposedly monitoring? It would not necessarily be obvious, especially
over a slower link. I suppose that it's possible that this functionality
only kicks in between 10 and 100 MB links, but the comment makes me
suspicious nonetheless.
John
John and Gullermo,
Any device that is not a strict 10 Mbps or 100 Mbps device is not a
"true hub." Any 10/100 Mbps device is a switch.
However, as I believe Bill originally posted, some 10/100 Mbps "hubs"
can act like "true hubs" when all connected devices are configured to
operate at the same speed -- either all at 10 Mbps or all at 100 Mbps.
In my personal experience NetGear 10/100 Mbps hubs act as "true hubs"
but Linksys 10/100 Mbps "hubs" do not.
When researching chapter 3 for my book, I could not find any
small-scale strict 100 Mbps hubs. [0] Netgear does make 4 and 8 port
10 Mbps hubs.
Sincerely,
Richard
http://www.taosecurity.com
[0] http://www.taosecurity.com/books.html
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