| From: | "Jay A(dot) Kreibich" <jak(at)uiuc(dot)edu> |
|---|---|
| To: | Gaetano Mendola <gmendola(at)mbigroup(dot)it> |
| Cc: | Gaetano Mendola <mendola(at)bigfoot(dot)com>, Bruno Wolff III <bruno(at)wolff(dot)to>, pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: NIC to NIC connection |
| Date: | 2004-10-21 17:14:12 |
| Message-ID: | 20041021171412.GK21697@uiuc.edu |
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| Lists: | pgsql-admin |
On Thu, Oct 21, 2004 at 07:05:40PM +0200, Gaetano Mendola scratched on the wall:
> We have some switches that are able to do ip routing too... :-(
So called "layer-three switches" are a whole different game.
Essentualy, they are just routers where the "routing" interfaces and
the physical interfaces are abstracted from each other with a layer-two
switching engine. The term "layer-three swtich" is really more of a
marketing term, however, and is not a very accurate description of
what the device is or how it works.
> I have to admint that I'm not a switch specialist but given the ability
> to do routing I was imagine the arpping trich...
Yes, but such systems are generally routers first and switches second.
-j
--
Jay A. Kreibich | Comm. Technologies, R&D
jak(at)uiuc(dot)edu | Campus IT & Edu. Svcs.
<http://www.uiuc.edu/~jak> | University of Illinois at U/C
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