[Snort-users] Found true hub
guillermocalvo at ...12682...
Fri Nov 19 13:32:06 EST 2004
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
De: snort-users-admin at lists.sourceforge.net
[mailto:snort-users-admin at lists.sourceforge.net] En nombre de Richard
Enviado el: Friday, November 19, 2004 3:54 PM
Para: snort-users at lists.sourceforge.net
Asunto: RE: [Snort-users] Found true hub
John McCash wrote:
> 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 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.  Netgear does make 4 and 8 port
10 Mbps hubs.
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