[SunRescue] LAN Commmunication (was Sparc 10 cover plates)

Dave McGuire mcguire at neurotica.com
Wed Dec 22 02:14:07 CST 1999

On Wed, 22 Dec 1999, Bjrn Ramqvist wrote:
>I was just thinking of when I was at one of our customers site, where
>they have hosts in the amount of "thousands". They sure is connecting
>through switches, but what I came to notice was that it was a huge
>amount of broadcast packets?

  That's where VLANs come in...Switches and bridges break up the collision
domain; VLANs break up the broadcast domain.  It works amazingly well if
your switches have fast enough processors in them.

>I mean, imagine a WinNT network where EVERY machine thinks it needs to
>know EXACTLY where every machine is, it's status, it's wifes name, it's
>social security number, the color of your dogs eyes and so on - this
>must be a problem. Just "keeping up" the LAN is almost rendering itself

  ...well, for poorly designed operating systems and network protocols, yes. 
So set up some VLANs in your switches, flush your NT boxes, and you'll be in
good shape! :-)

                 -Dave McGuire

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